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Brushless DC-Servomotors Series 2250 ... BX4

4 Pole Technology

Key Features
Nominal voltage:
12 ... 24 V
Rated torque up to:
26.2 mNm
No-load speed up to:
6400 min⁻¹
Stall torque up to:
152 mNm
Diameter:
22 mm
Length:
51.8 mm
Advantages
High torque and speed rigidity thanks to 4-pole technology
Position control in extremely confined installation spaces thanks to optional analogue Hall sensors
Modular, diameter-compliant mounting concept for high-resolution magnetic and optical encoders
Versions with integrated Speed or Motion Controllers available
High reliability and long service life
Dynamically balanced rotor, quiet running
Variants:
Series 2250S012BX4
UN : Nominal voltage : 12 V |MN : Rated torque up to : 26.2 mNm |n0 : No-load speed up to : 6000 min⁻¹ |MH : Stall torque up to : 147 mNm |Ø : Diameter : 22 mm |L : Length : 51.8 mm
Series 2250S018BX4
UN : Nominal voltage : 18 V |MN : Rated torque up to : 25.5 mNm |n0 : No-load speed up to : 6400 min⁻¹ |MH : Stall torque up to : 152 mNm |Ø : Diameter : 22 mm |L : Length : 51.8 mm
Series 2250S024BX4
UN : Nominal voltage : 24 V |MN : Rated torque up to : 26.2 mNm |n0 : No-load speed up to : 6200 min⁻¹ |MH : Stall torque up to : 151 mNm |Ø : Diameter : 22 mm |L : Length : 51.8 mm

Values at 22° and nominal voltageValue
Nominal voltageUN 12 V
Terminal resistance, phase-phaseR 1.55 Ω
Efficiency, max.ηmax. 76 %
No-load speedn0 6000 min⁻¹
No-load currentI0 0.128 A
Stall torqueMH 147 mNm
Friction torque, staticC0 0.8 mNm
Friction torque, dynamicCV 2.6 ·10⁻⁴ mNm/min⁻¹
Speed constantkn 502 min⁻¹/V
Back-EMF constantkE 1.994 mV/min⁻¹
Torque constantkM 19 mNm/A
Current constantkI 0.053 A/mNm
Slope of n-M curveΔn/ΔM 40.8 min⁻¹/mNm
Terminal inductance, phase-phaseL 62.8 µH
Mechanical time constantτm 4.3 ms
Rotor inertiaJ 10 gcm²
Angular accelerationαmax. 147 ·10³rad/s²
Thermal resistanceRth1/Rth2 3.5 / 15 K/W
Thermal time constantτw1/τw2 12 / 660 s
Operating temperature range -40 ... 100 °C
Winding temperature, max. 125 °C
Housing material stainless steel
Mass 105 g
Direction of rotation electronically reversible
Speed up tonmax. 20000 min⁻¹
Number of pole pairs 2
Hall sensors digital
Magnet material NdFeB

Values at 22° and nominal voltageValue
Nominal voltageUN 12 V
Terminal resistance, phase-phaseR 1.55 Ω
Efficiency, max.ηmax. 76 %
No-load speedn0 6000 min⁻¹
No-load currentI0 0.128 A
Stall torqueMH 147 mNm
Friction torque, staticC0 0.8 mNm
Friction torque, dynamicCV 2.6 ·10⁻⁴ mNm/min⁻¹
Speed constantkn 502 min⁻¹/V
Back-EMF constantkE 1.994 mV/min⁻¹
Torque constantkM 19 mNm/A
Current constantkI 0.053 A/mNm
Slope of n-M curveΔn/ΔM 40.8 min⁻¹/mNm
Terminal inductance, phase-phaseL 62.8 µH
Mechanical time constantτm 4.3 ms
Rotor inertiaJ 10 gcm²
Angular accelerationαmax. 147 ·10³rad/s²
Thermal resistanceRth1/Rth2 3.5 / 15 K/W
Thermal time constantτw1/τw2 12 / 660 s
Operating temperature range -40 ... 100 °C
Winding temperature, max. 125 °C
Housing material stainless steel
Mass 105 g
Direction of rotation electronically reversible
Speed up tonmax. 20000 min⁻¹
Number of pole pairs 2
Hall sensors digital
Magnet material NdFeB

Values at 22° and nominal voltageValue
Nominal voltageUN 18 V
Terminal resistance, phase-phaseR 3.17 Ω
Efficiency, max.ηmax. 76 %
No-load speedn0 6400 min⁻¹
No-load currentI0 0.094 A
Stall torqueMH 152 mNm
Friction torque, staticC0 0.8 mNm
Friction torque, dynamicCV 2.6 ·10⁻⁴ mNm/min⁻¹
Speed constantkn 354 min⁻¹/V
Back-EMF constantkE 2.825 mV/min⁻¹
Torque constantkM 27 mNm/A
Current constantkI 0.037 A/mNm
Slope of n-M curveΔn/ΔM 41.6 min⁻¹/mNm
Terminal inductance, phase-phaseL 126 µH
Mechanical time constantτm 4.3 ms
Rotor inertiaJ 10 gcm²
Angular accelerationαmax. 152 ·10³rad/s²
Thermal resistanceRth1/Rth2 3.5 / 15 K/W
Thermal time constantτw1/τw2 12 / 660 s
Operating temperature range -40 ... 100 °C
Winding temperature, max. 125 °C
Housing material stainless steel
Mass 105 g
Direction of rotation electronically reversible
Speed up tonmax. 20000 min⁻¹
Number of pole pairs 2
Hall sensors digital
Magnet material NdFeB

Values at 22° and nominal voltageValue
Nominal voltageUN 18 V
Terminal resistance, phase-phaseR 3.17 Ω
Efficiency, max.ηmax. 76 %
No-load speedn0 6400 min⁻¹
No-load currentI0 0.094 A
Stall torqueMH 152 mNm
Friction torque, staticC0 0.8 mNm
Friction torque, dynamicCV 2.6 ·10⁻⁴ mNm/min⁻¹
Speed constantkn 354 min⁻¹/V
Back-EMF constantkE 2.825 mV/min⁻¹
Torque constantkM 27 mNm/A
Current constantkI 0.037 A/mNm
Slope of n-M curveΔn/ΔM 41.6 min⁻¹/mNm
Terminal inductance, phase-phaseL 126 µH
Mechanical time constantτm 4.3 ms
Rotor inertiaJ 10 gcm²
Angular accelerationαmax. 152 ·10³rad/s²
Thermal resistanceRth1/Rth2 3.5 / 15 K/W
Thermal time constantτw1/τw2 12 / 660 s
Operating temperature range -40 ... 100 °C
Winding temperature, max. 125 °C
Housing material stainless steel
Mass 105 g
Direction of rotation electronically reversible
Speed up tonmax. 20000 min⁻¹
Number of pole pairs 2
Hall sensors digital
Magnet material NdFeB

Values at 22° and nominal voltageValue
Nominal voltageUN 24 V
Terminal resistance, phase-phaseR 5.9 Ω
Efficiency, max.ηmax. 77 %
No-load speedn0 6200 min⁻¹
No-load currentI0 0.066 A
Stall torqueMH 151 mNm
Friction torque, staticC0 0.8 mNm
Friction torque, dynamicCV 2.6 ·10⁻⁴ mNm/min⁻¹
Speed constantkn 255 min⁻¹/V
Back-EMF constantkE 3.927 mV/min⁻¹
Torque constantkM 37.5 mNm/A
Current constantkI 0.027 A/mNm
Slope of n-M curveΔn/ΔM 40.3 min⁻¹/mNm
Terminal inductance, phase-phaseL 250 µH
Mechanical time constantτm 4.2 ms
Rotor inertiaJ 10 gcm²
Angular accelerationαmax. 151 ·10³rad/s²
Thermal resistanceRth1/Rth2 3.5 / 15 K/W
Thermal time constantτw1/τw2 12 / 660 s
Operating temperature range -40 ... 100 °C
Winding temperature, max. 125 °C
Housing material stainless steel
Mass 105 g
Direction of rotation electronically reversible
Speed up tonmax. 20000 min⁻¹
Number of pole pairs 2
Hall sensors digital
Magnet material NdFeB

Values at 22° and nominal voltageValue
Nominal voltageUN 24 V
Terminal resistance, phase-phaseR 5.9 Ω
Efficiency, max.ηmax. 77 %
No-load speedn0 6200 min⁻¹
No-load currentI0 0.066 A
Stall torqueMH 151 mNm
Friction torque, staticC0 0.8 mNm
Friction torque, dynamicCV 2.6 ·10⁻⁴ mNm/min⁻¹
Speed constantkn 255 min⁻¹/V
Back-EMF constantkE 3.927 mV/min⁻¹
Torque constantkM 37.5 mNm/A
Current constantkI 0.027 A/mNm
Slope of n-M curveΔn/ΔM 40.3 min⁻¹/mNm
Terminal inductance, phase-phaseL 250 µH
Mechanical time constantτm 4.2 ms
Rotor inertiaJ 10 gcm²
Angular accelerationαmax. 151 ·10³rad/s²
Thermal resistanceRth1/Rth2 3.5 / 15 K/W
Thermal time constantτw1/τw2 12 / 660 s
Operating temperature range -40 ... 100 °C
Winding temperature, max. 125 °C
Housing material stainless steel
Mass 105 g
Direction of rotation electronically reversible
Speed up tonmax. 20000 min⁻¹
Number of pole pairs 2
Hall sensors digital
Magnet material NdFeB
Operating Area
Operating Area (2250S012BX4)
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 (Rth2 50% reduced).
The nominal voltage (UN) 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
Characteristic curves of motor (2250S012BX4)
Operating Area
Operating Area (2250S018BX4)
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 (Rth2 50% reduced).
The nominal voltage (UN) 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
Characteristic curves of motor (2250S018BX4)
Operating Area
Operating Area (2250S024BX4)
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 (Rth2 50% reduced).
The nominal voltage (UN) 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
Characteristic curves of motor (2250S024BX4)
Precision Gearheads
Planetary Gearheads
FAULHABER GPT
22GPT Series  by FAULHABER
Series 22GPT
High Torque
32GPT Series  by FAULHABER
Series 32GPT
High Torque
Linear Actuators
FAULHABER L
22L ... ML Series  by FAULHABER
Series 22L ... ML
Gearhead with integrated Lead Screw, metric thread
22L ... PB Series  by FAULHABER
Series 22L ... PB
Gearhead with integrated Ball Screw, high accuracy grade
22L ... SB Series  by FAULHABER
Series 22L ... SB
Gearhead with integrated Ball Screw, standard version
32L ... ML Series  by FAULHABER
Series 32L ... ML
Gearhead with integrated Lead Screw, metric thread
32L ... PB Series  by FAULHABER
Series 32L ... PB
Gearhead with integrated Ball Screw, high accuracy grade
32L ... SB Series  by FAULHABER
Series 32L ... SB
Gearhead with integrated Ball Screw, standard version
32L ... TL Series  by FAULHABER
Series 32L ... TL
Gearhead with integrated Lead Screw, trapezoidal thread
Accessories
Adapter and cables
6501.00085 Series  by FAULHABER
Series 6501.00085
Motor Adapter MC V2.5, SC » BX4 (Hall sensors)
6501.00086 Series  by FAULHABER
Series 6501.00086
Motor Adapter MC V2.5, SC » BX4 (Hall sensors)
Cables and Accessories Series  by FAULHABER
Series Cables and Accessories
-
Encoders
Absolute encoder
AEMT-12/16 L Series  by FAULHABER
Series AEMT-12/16 L
magnetic multi-turn absolute Encoder, SSI Interface with BISS-C Protocol, 4096 steps per revolution, Line Driver
AES-4096 L Series  by FAULHABER
Series AES-4096 L
magnetic single-turn absolute Encoder, SSI Interface with BISS-C Protocol, 4096 steps per revolution, Line Driver
Incremental encoder
IE3-1024 Series  by FAULHABER
Series IE3-1024
magnetic Encoder, digital outputs, 3 channels, 1 - 1024 lines per revolution
IE3-1024 L Series  by FAULHABER
Series IE3-1024 L
magnetic Encoder, digital outputs, 3 channels, 1 - 1024 lines per revolution, Line Driver
IER3-10000 Series  by FAULHABER
Series IER3-10000
optical Encoder, digital outputs, 3 channels, 1000 - 10000 lines per revolution
IER3-10000 L Series  by FAULHABER
Series IER3-10000 L
optical Encoder, digital outputs, 3 channels, 1000 - 10000 lines per revolution, Line Driver
Drive Electronics
Motion Controllers
MC 3001 B Series  by FAULHABER
Series MC 3001 B
V3.0, 4-Quadrant PWM, with RS232 or CANopen interface
MC 3001 P Series  by FAULHABER
Series MC 3001 P
V3.0, 4-Quadrant PWM, with RS232 or CANopen interface
MC 3603 S Series  by FAULHABER
Series MC 3603 S
V3.0, 4-Quadrant PWM, with RS232, CANopen or EtherCAT interface
MC 5004 P Series  by FAULHABER
Series MC 5004 P
V3.0, 4-Quadrant PWM, with RS232, CANopen or EtherCAT interface
MC 5005 S Series  by FAULHABER
Series MC 5005 S
V3.0, 4-Quadrant PWM, with RS232, CANopen or EtherCAT interface
Speed Controllers
SC 2402 P Series  by FAULHABER
Series SC 2402 P
2-Quadrant PWM configurable via PC
SC 2804 S Series  by FAULHABER
Series SC 2804 S
2-Quadrant PWM configurable via PC
SC 5004 P Series  by FAULHABER
Series SC 5004 P
4-Quadrant PWM configurable via PC
SC 5008 S Series  by FAULHABER
Series SC 5008 S
4-Quadrant PWM configurable via PC

Download

pdf
Datasheet
pdf
Technical Information
zip
3D-CAD Files

Application note

pdf
AN 163 - Digital Hall Sensors
pdf
AN 183 - Equivalent DC-current in FAULHABER SC and MC
pdf
AN 190 - Selection of a third-party motor driver
pdf
AN 200 - SIN-COS interface and temperature sensor
FAULHABER BX4 Series 2250 ... BX4 by FAULHABER
FAULHABER BX4 Series 2250 ... BX4 by FAULHABER
FAULHABER BX4 Series 2250 ... BX4 by FAULHABER
FAULHABER BX4 Series 2250 ... BX4 by FAULHABER
FAULHABER BX4 Series 2250 ... BX4 by FAULHABER
FAULHABER BX4 Series 2250 ... BX4 by FAULHABER
Your Choice
Selected Variant
Series 2250S012BX4
4 Pole Technology
Key Features
Nominal voltage: 12 V
Rated torque up to: 26.2 mNm
No-load speed up to: 6000 min⁻¹
Stall torque up to: 147 mNm
Diameter: 22 mm
Length: 51.8 mm
Selected Variant
Series 2250S018BX4
4 Pole Technology
Key Features
Nominal voltage: 18 V
Rated torque up to: 25.5 mNm
No-load speed up to: 6400 min⁻¹
Stall torque up to: 152 mNm
Diameter: 22 mm
Length: 51.8 mm
Selected Variant
Series 2250S024BX4
4 Pole Technology
Key Features
Nominal voltage: 24 V
Rated torque up to: 26.2 mNm
No-load speed up to: 6200 min⁻¹
Stall torque up to: 151 mNm
Diameter: 22 mm
Length: 51.8 mm

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