FAULHABER CXR Series 2237 ... CXR by FAULHABER

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Datasheet

Variants

FAULHABER CXR

Series 2237 ... CXR

Graphite Commutation

Key Features

Nominal voltage:

6 ... 48 V

Rated torque up to:

12 mNm

No-load speed up to:

7200 min⁻¹

Stall torque up to:

48.7 mNm

Diameter:

22 mm

Length:

37 mm

Advantages

Highly dynamic performance due to a low rotor inertia

Shockproof all-steel housing with corrosion-resistant coating

Powerful rare-earth magnet

Wide operating temperature range: -30 °C to +100 °C (optional -55 °C)

Durable graphite commutation

No cogging

Very high power density

Variants:

Series 2237S006CXR

Series 2237S012CXR

Series 2237S018CXR

Series 2237S024CXR

Series 2237S036CXR

Series 2237S048CXR

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.85 Ω
Efficiency, max.	η_max.	68.1 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.124 A
Stall torque	M_H	47.2 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	1283 min⁻¹/V
Back-EMF constant	k_E	0.78 mV/min⁻¹
Torque constant	k_M	7.44 mNm/A
Current constant	k_I	0.134 A/mNm
Slope of n-M curve	Δn/ΔM	146 min⁻¹/mNm
Rotor inductance	L	35 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	3.92 Ω
Efficiency, max.	η_max.	70.8 %
No-load speed	n₀	6800 min⁻¹
No-load current	I₀	0.058 A
Stall torque	M_H	45.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	601 min⁻¹/V
Back-EMF constant	k_E	1.66 mV/min⁻¹
Torque constant	k_M	15.9 mNm/A
Current constant	k_I	0.063 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	150 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	147 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	8.5 Ω
Efficiency, max.	η_max.	72.2 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.039 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	409 min⁻¹/V
Back-EMF constant	k_E	2.44 mV/min⁻¹
Torque constant	k_M	23.3 mNm/A
Current constant	k_I	0.043 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	320 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	15.7 Ω
Efficiency, max.	η_max.	72.6 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.029 A
Stall torque	M_H	46.6 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	301 min⁻¹/V
Back-EMF constant	k_E	3.33 mV/min⁻¹
Torque constant	k_M	31.8 mNm/A
Current constant	k_I	0.032 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	590 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	150 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	36 V
Terminal resistance	R	33 Ω
Efficiency, max.	η_max.	73.6 %
No-load speed	n₀	7200 min⁻¹
No-load current	I₀	0.02 A
Stall torque	M_H	48.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	207 min⁻¹/V
Back-EMF constant	k_E	4.83 mV/min⁻¹
Torque constant	k_M	46.2 mNm/A
Current constant	k_I	0.022 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	1240 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	157 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	48 V
Terminal resistance	R	62.8 Ω
Efficiency, max.	η_max.	73.5 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.015 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	150 min⁻¹/V
Back-EMF constant	k_E	6.65 mV/min⁻¹
Torque constant	k_M	63.5 mNm/A
Current constant	k_I	0.016 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	2340 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.85 Ω
Efficiency, max.	η_max.	68.1 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.124 A
Stall torque	M_H	47.2 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	1283 min⁻¹/V
Back-EMF constant	k_E	0.78 mV/min⁻¹
Torque constant	k_M	7.44 mNm/A
Current constant	k_I	0.134 A/mNm
Slope of n-M curve	Δn/ΔM	146 min⁻¹/mNm
Rotor inductance	L	35 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	3.92 Ω
Efficiency, max.	η_max.	70.8 %
No-load speed	n₀	6800 min⁻¹
No-load current	I₀	0.058 A
Stall torque	M_H	45.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	601 min⁻¹/V
Back-EMF constant	k_E	1.66 mV/min⁻¹
Torque constant	k_M	15.9 mNm/A
Current constant	k_I	0.063 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	150 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	147 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	8.5 Ω
Efficiency, max.	η_max.	72.2 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.039 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	409 min⁻¹/V
Back-EMF constant	k_E	2.44 mV/min⁻¹
Torque constant	k_M	23.3 mNm/A
Current constant	k_I	0.043 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	320 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	15.7 Ω
Efficiency, max.	η_max.	72.6 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.029 A
Stall torque	M_H	46.6 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	301 min⁻¹/V
Back-EMF constant	k_E	3.33 mV/min⁻¹
Torque constant	k_M	31.8 mNm/A
Current constant	k_I	0.032 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	590 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	150 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	36 V
Terminal resistance	R	33 Ω
Efficiency, max.	η_max.	73.6 %
No-load speed	n₀	7200 min⁻¹
No-load current	I₀	0.02 A
Stall torque	M_H	48.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	207 min⁻¹/V
Back-EMF constant	k_E	4.83 mV/min⁻¹
Torque constant	k_M	46.2 mNm/A
Current constant	k_I	0.022 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	1240 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	157 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	48 V
Terminal resistance	R	62.8 Ω
Efficiency, max.	η_max.	73.5 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.015 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	150 min⁻¹/V
Back-EMF constant	k_E	6.65 mV/min⁻¹
Torque constant	k_M	63.5 mNm/A
Current constant	k_I	0.016 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	2340 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.85 Ω
Efficiency, max.	η_max.	68.1 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.124 A
Stall torque	M_H	47.2 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	1283 min⁻¹/V
Back-EMF constant	k_E	0.78 mV/min⁻¹
Torque constant	k_M	7.44 mNm/A
Current constant	k_I	0.134 A/mNm
Slope of n-M curve	Δn/ΔM	146 min⁻¹/mNm
Rotor inductance	L	35 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	3.92 Ω
Efficiency, max.	η_max.	70.8 %
No-load speed	n₀	6800 min⁻¹
No-load current	I₀	0.058 A
Stall torque	M_H	45.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	601 min⁻¹/V
Back-EMF constant	k_E	1.66 mV/min⁻¹
Torque constant	k_M	15.9 mNm/A
Current constant	k_I	0.063 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	150 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	147 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	8.5 Ω
Efficiency, max.	η_max.	72.2 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.039 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	409 min⁻¹/V
Back-EMF constant	k_E	2.44 mV/min⁻¹
Torque constant	k_M	23.3 mNm/A
Current constant	k_I	0.043 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	320 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	15.7 Ω
Efficiency, max.	η_max.	72.6 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.029 A
Stall torque	M_H	46.6 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	301 min⁻¹/V
Back-EMF constant	k_E	3.33 mV/min⁻¹
Torque constant	k_M	31.8 mNm/A
Current constant	k_I	0.032 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	590 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	150 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	36 V
Terminal resistance	R	33 Ω
Efficiency, max.	η_max.	73.6 %
No-load speed	n₀	7200 min⁻¹
No-load current	I₀	0.02 A
Stall torque	M_H	48.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	207 min⁻¹/V
Back-EMF constant	k_E	4.83 mV/min⁻¹
Torque constant	k_M	46.2 mNm/A
Current constant	k_I	0.022 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	1240 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	157 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	48 V
Terminal resistance	R	62.8 Ω
Efficiency, max.	η_max.	73.5 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.015 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	150 min⁻¹/V
Back-EMF constant	k_E	6.65 mV/min⁻¹
Torque constant	k_M	63.5 mNm/A
Current constant	k_I	0.016 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	2340 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.85 Ω
Efficiency, max.	η_max.	68.1 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.124 A
Stall torque	M_H	47.2 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	1283 min⁻¹/V
Back-EMF constant	k_E	0.78 mV/min⁻¹
Torque constant	k_M	7.44 mNm/A
Current constant	k_I	0.134 A/mNm
Slope of n-M curve	Δn/ΔM	146 min⁻¹/mNm
Rotor inductance	L	35 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	3.92 Ω
Efficiency, max.	η_max.	70.8 %
No-load speed	n₀	6800 min⁻¹
No-load current	I₀	0.058 A
Stall torque	M_H	45.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	601 min⁻¹/V
Back-EMF constant	k_E	1.66 mV/min⁻¹
Torque constant	k_M	15.9 mNm/A
Current constant	k_I	0.063 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	150 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	147 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	8.5 Ω
Efficiency, max.	η_max.	72.2 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.039 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	409 min⁻¹/V
Back-EMF constant	k_E	2.44 mV/min⁻¹
Torque constant	k_M	23.3 mNm/A
Current constant	k_I	0.043 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	320 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	15.7 Ω
Efficiency, max.	η_max.	72.6 %
No-load speed	n₀	6900 min⁻¹
No-load current	I₀	0.029 A
Stall torque	M_H	46.6 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	301 min⁻¹/V
Back-EMF constant	k_E	3.33 mV/min⁻¹
Torque constant	k_M	31.8 mNm/A
Current constant	k_I	0.032 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	590 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	150 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	36 V
Terminal resistance	R	33 Ω
Efficiency, max.	η_max.	73.6 %
No-load speed	n₀	7200 min⁻¹
No-load current	I₀	0.02 A
Stall torque	M_H	48.7 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	207 min⁻¹/V
Back-EMF constant	k_E	4.83 mV/min⁻¹
Torque constant	k_M	46.2 mNm/A
Current constant	k_I	0.022 A/mNm
Slope of n-M curve	Δn/ΔM	148 min⁻¹/mNm
Rotor inductance	L	1240 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	157 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	48 V
Terminal resistance	R	62.8 Ω
Efficiency, max.	η_max.	73.5 %
No-load speed	n₀	7000 min⁻¹
No-load current	I₀	0.015 A
Stall torque	M_H	47.1 mNm
Friction torque	M_R	0.92 mNm
Speed constant	k_n	150 min⁻¹/V
Back-EMF constant	k_E	6.65 mV/min⁻¹
Torque constant	k_M	63.5 mNm/A
Current constant	k_I	0.016 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	2340 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	3.1 gcm²
Angular acceleration	α_max.	152 ·10³rad/s²
Thermal resistance	R_th1/R_th2	8 / 17 K/W
Thermal time constant	τ_w1/τ_w2	13 / 500 s
Operating temperature range		-30 ... 100 °C
Winding temperature, max.		125 °C
Housing material		steel, zinc galvanized and passivated
Mass		68 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Operating Area

Recommended operation areas at nominal voltage 6 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

The nominal voltage (U_N) curve shows the operating point at nominal voltage in the insulated and thermally coupled condition. Any points of operation above the curve at nominal voltage will require a higher operating voltage. Any points below the nominal voltage curve will require less voltage.

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 12 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 18 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 24 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 36 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 48 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

3D-CAD Files ZIP

Precision Gearheads

Planetary Gearheads

Series 22/7