FAULHABER CR Series 2642 ... CR by FAULHABER

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Datasheet

Variants

DC-Micromotors Series 2642 ... CR

Graphite Commutation

Key Features

Nominal voltage:

12 ... 48 V

Rated torque up to:

31.3 mNm

No-load speed up to:

6370 min⁻¹

Stall torque up to:

148 mNm

Diameter:

26 mm

Length:

42 mm

Advantages

Best dynamic performance due to a low rotor inertia

Shockproof all-steel housing with corrosion-resistant coating

Powerful rare-earth magnet

Extremely wide operating temperature range -30 °C to 125 °C (optionally -55 °C, winding up to 155 °C)

Durable graphite commutation

No cogging

Highest power density

Variants:

Series 2642W012CR

Series 2642W018CR

Series 2642W024CR

Series 2642W036CR

Series 2642W048CR

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	1.45 Ω
Efficiency, max.	η_max.	74 %
No-load speed	n₀	6340 min⁻¹
No-load current	I₀	0.117 A
Stall torque	M_H	136 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	548 min⁻¹/V
Back-EMF constant	k_E	1.77 mV/min⁻¹
Torque constant	k_M	17.4 mNm/A
Current constant	k_I	0.059 A/mNm
Slope of n-M curve	Δn/ΔM	45.6 min⁻¹/mNm
Rotor inductance	L	130 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	3.1 Ω
Efficiency, max.	η_max.	76 %
No-load speed	n₀	6360 min⁻¹
No-load current	I₀	0.0772 A
Stall torque	M_H	148 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	361 min⁻¹/V
Back-EMF constant	k_E	2.7 mV/min⁻¹
Torque constant	k_M	26.5 mNm/A
Current constant	k_I	0.039 A/mNm
Slope of n-M curve	Δn/ΔM	42.2 min⁻¹/mNm
Rotor inductance	L	300 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	12 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	5.79 Ω
Efficiency, max.	η_max.	76 %
No-load speed	n₀	6360 min⁻¹
No-load current	I₀	0.0575 A
Stall torque	M_H	142 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	269 min⁻¹/V
Back-EMF constant	k_E	3.62 mV/min⁻¹
Torque constant	k_M	35.5 mNm/A
Current constant	k_I	0.029 A/mNm
Slope of n-M curve	Δn/ΔM	43.8 min⁻¹/mNm
Rotor inductance	L	539 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	13.6 Ω
Efficiency, max.	η_max.	76 %
No-load speed	n₀	6360 min⁻¹
No-load current	I₀	0.0381 A
Stall torque	M_H	137 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	178 min⁻¹/V
Back-EMF constant	k_E	5.47 mV/min⁻¹
Torque constant	k_M	53.6 mNm/A
Current constant	k_I	0.019 A/mNm
Slope of n-M curve	Δn/ΔM	45.4 min⁻¹/mNm
Rotor inductance	L	1230 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	23.8 Ω
Efficiency, max.	η_max.	77 %
No-load speed	n₀	6370 min⁻¹
No-load current	I₀	0.0285 A
Stall torque	M_H	141 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	133 min⁻¹/V
Back-EMF constant	k_E	7.31 mV/min⁻¹
Torque constant	k_M	71.7 mNm/A
Current constant	k_I	0.014 A/mNm
Slope of n-M curve	Δn/ΔM	44.3 min⁻¹/mNm
Rotor inductance	L	2200 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	1.45 Ω
Efficiency, max.	η_max.	74 %
No-load speed	n₀	6340 min⁻¹
No-load current	I₀	0.117 A
Stall torque	M_H	136 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	548 min⁻¹/V
Back-EMF constant	k_E	1.77 mV/min⁻¹
Torque constant	k_M	17.4 mNm/A
Current constant	k_I	0.059 A/mNm
Slope of n-M curve	Δn/ΔM	45.6 min⁻¹/mNm
Rotor inductance	L	130 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	3.1 Ω
Efficiency, max.	η_max.	76 %
No-load speed	n₀	6360 min⁻¹
No-load current	I₀	0.0772 A
Stall torque	M_H	148 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	361 min⁻¹/V
Back-EMF constant	k_E	2.7 mV/min⁻¹
Torque constant	k_M	26.5 mNm/A
Current constant	k_I	0.039 A/mNm
Slope of n-M curve	Δn/ΔM	42.2 min⁻¹/mNm
Rotor inductance	L	300 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	12 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	5.79 Ω
Efficiency, max.	η_max.	76 %
No-load speed	n₀	6360 min⁻¹
No-load current	I₀	0.0575 A
Stall torque	M_H	142 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	269 min⁻¹/V
Back-EMF constant	k_E	3.62 mV/min⁻¹
Torque constant	k_M	35.5 mNm/A
Current constant	k_I	0.029 A/mNm
Slope of n-M curve	Δn/ΔM	43.8 min⁻¹/mNm
Rotor inductance	L	539 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	13.6 Ω
Efficiency, max.	η_max.	76 %
No-load speed	n₀	6360 min⁻¹
No-load current	I₀	0.0381 A
Stall torque	M_H	137 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	178 min⁻¹/V
Back-EMF constant	k_E	5.47 mV/min⁻¹
Torque constant	k_M	53.6 mNm/A
Current constant	k_I	0.019 A/mNm
Slope of n-M curve	Δn/ΔM	45.4 min⁻¹/mNm
Rotor inductance	L	1230 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 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	23.8 Ω
Efficiency, max.	η_max.	77 %
No-load speed	n₀	6370 min⁻¹
No-load current	I₀	0.0285 A
Stall torque	M_H	141 mNm
Friction torque	M_R	2 mNm
Speed constant	k_n	133 min⁻¹/V
Back-EMF constant	k_E	7.31 mV/min⁻¹
Torque constant	k_M	71.7 mNm/A
Current constant	k_I	0.014 A/mNm
Slope of n-M curve	Δn/ΔM	44.3 min⁻¹/mNm
Rotor inductance	L	2200 µH
Mechanical time constant	τ_m	5.4 ms
Rotor inertia	J	11 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4.9 / 14.8 K/W
Thermal time constant	τ_w1/τ_w2	25 / 692.5 s
Operating temperature range		-30 ... 125 °C
Winding temperature, max.		155 °C
Housing material		steel, nickel plated
Mass		114 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	7000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

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).

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 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

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