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
2657W012CR
UN : Nominal voltage :
12 V
|MN : Rated torque up to :
46.9 mNm
|n0 : No-load speed up to :
6020 min⁻¹
|MH : Stall torque up to :
296 mNm
|Ø : Diameter :
26 mm
|L : Length :
57 mm
Series
2657W018CR
UN : Nominal voltage :
18 V
|MN : Rated torque up to :
50.2 mNm
|n0 : No-load speed up to :
6000 min⁻¹
|MH : Stall torque up to :
288 mNm
|Ø : Diameter :
26 mm
|L : Length :
57 mm
Series
2657W024CR
UN : Nominal voltage :
24 V
|MN : Rated torque up to :
51.1 mNm
|n0 : No-load speed up to :
6150 min⁻¹
|MH : Stall torque up to :
302 mNm
|Ø : Diameter :
26 mm
|L : Length :
57 mm
Series
2657W036CR
UN : Nominal voltage :
36 V
|MN : Rated torque up to :
50.8 mNm
|n0 : No-load speed up to :
6090 min⁻¹
|MH : Stall torque up to :
292 mNm
|Ø : Diameter :
26 mm
|L : Length :
57 mm
Series
2657W048CR
UN : Nominal voltage :
48 V
|MN : Rated torque up to :
49.9 mNm
|n0 : No-load speed up to :
6130 min⁻¹
|MH : Stall torque up to :
282 mNm
|Ø : Diameter :
26 mm
|L : Length :
57 mm
Values at 22° and nominal voltage
Value
Nominal voltage
UN
12 V
Terminal resistance
R
0.711 Ω
Efficiency, max.
ηmax.
81 %
No-load speed
n0
6020 min⁻¹
No-load current
I0
0.11 A
Stall torque
MH
296 mNm
Friction torque
MR
2 mNm
Speed constant
kn
518 min⁻¹/V
Back-EMF constant
kE
1.81 mV/min⁻¹
Torque constant
kM
18.4 mNm/A
Current constant
kI
0.058 A/mNm
Slope of n-M curve
Δn/ΔM
20 min⁻¹/mNm
Rotor inductance
L
93.2 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
16 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
12 V
Terminal resistance
R
0.711 Ω
Efficiency, max.
ηmax.
81 %
No-load speed
n0
6020 min⁻¹
No-load current
I0
0.11 A
Stall torque
MH
296 mNm
Friction torque
MR
2 mNm
Speed constant
kn
518 min⁻¹/V
Back-EMF constant
kE
1.81 mV/min⁻¹
Torque constant
kM
18.4 mNm/A
Current constant
kI
0.058 A/mNm
Slope of n-M curve
Δn/ΔM
20 min⁻¹/mNm
Rotor inductance
L
93.2 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
16 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
18 V
Terminal resistance
R
1.7 Ω
Efficiency, max.
ηmax.
82 %
No-load speed
n0
6000 min⁻¹
No-load current
I0
0.0723 A
Stall torque
MH
288 mNm
Friction torque
MR
2 mNm
Speed constant
kn
340 min⁻¹/V
Back-EMF constant
kE
2.75 mV/min⁻¹
Torque constant
kM
28.1 mNm/A
Current constant
kI
0.038 A/mNm
Slope of n-M curve
Δn/ΔM
20.5 min⁻¹/mNm
Rotor inductance
L
217 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
16 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
18 V
Terminal resistance
R
1.7 Ω
Efficiency, max.
ηmax.
82 %
No-load speed
n0
6000 min⁻¹
No-load current
I0
0.0723 A
Stall torque
MH
288 mNm
Friction torque
MR
2 mNm
Speed constant
kn
340 min⁻¹/V
Back-EMF constant
kE
2.75 mV/min⁻¹
Torque constant
kM
28.1 mNm/A
Current constant
kI
0.038 A/mNm
Slope of n-M curve
Δn/ΔM
20.5 min⁻¹/mNm
Rotor inductance
L
217 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
16 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
24 V
Terminal resistance
R
2.85 Ω
Efficiency, max.
ηmax.
83 %
No-load speed
n0
6150 min⁻¹
No-load current
I0
0.0552 A
Stall torque
MH
302 mNm
Friction torque
MR
2 mNm
Speed constant
kn
259 min⁻¹/V
Back-EMF constant
kE
3.65 mV/min⁻¹
Torque constant
kM
36.9 mNm/A
Current constant
kI
0.029 A/mNm
Slope of n-M curve
Δn/ΔM
20 min⁻¹/mNm
Rotor inductance
L
373 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
17 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
24 V
Terminal resistance
R
2.85 Ω
Efficiency, max.
ηmax.
83 %
No-load speed
n0
6150 min⁻¹
No-load current
I0
0.0552 A
Stall torque
MH
302 mNm
Friction torque
MR
2 mNm
Speed constant
kn
259 min⁻¹/V
Back-EMF constant
kE
3.65 mV/min⁻¹
Torque constant
kM
36.9 mNm/A
Current constant
kI
0.029 A/mNm
Slope of n-M curve
Δn/ΔM
20 min⁻¹/mNm
Rotor inductance
L
373 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
17 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
36 V
Terminal resistance
R
6.78 Ω
Efficiency, max.
ηmax.
83 %
No-load speed
n0
6090 min⁻¹
No-load current
I0
0.0362 A
Stall torque
MH
292 mNm
Friction torque
MR
2 mNm
Speed constant
kn
170 min⁻¹/V
Back-EMF constant
kE
5.51 mV/min⁻¹
Torque constant
kM
56.2 mNm/A
Current constant
kI
0.019 A/mNm
Slope of n-M curve
Δn/ΔM
20.5 min⁻¹/mNm
Rotor inductance
L
868 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
16 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
36 V
Terminal resistance
R
6.78 Ω
Efficiency, max.
ηmax.
83 %
No-load speed
n0
6090 min⁻¹
No-load current
I0
0.0362 A
Stall torque
MH
292 mNm
Friction torque
MR
2 mNm
Speed constant
kn
170 min⁻¹/V
Back-EMF constant
kE
5.51 mV/min⁻¹
Torque constant
kM
56.2 mNm/A
Current constant
kI
0.019 A/mNm
Slope of n-M curve
Δn/ΔM
20.5 min⁻¹/mNm
Rotor inductance
L
868 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
16 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
48 V
Terminal resistance
R
12.5 Ω
Efficiency, max.
ηmax.
83 %
No-load speed
n0
6130 min⁻¹
No-load current
I0
0.0272 A
Stall torque
MH
282 mNm
Friction torque
MR
2 mNm
Speed constant
kn
128 min⁻¹/V
Back-EMF constant
kE
7.37 mV/min⁻¹
Torque constant
kM
74.7 mNm/A
Current constant
kI
0.014 A/mNm
Slope of n-M curve
Δn/ΔM
21.4 min⁻¹/mNm
Rotor inductance
L
1530 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
15 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
7000 min⁻¹
Number of pole pairs
1
Magnet material
NdFeB
Values at 22° and nominal voltage
Value
Nominal voltage
UN
48 V
Terminal resistance
R
12.5 Ω
Efficiency, max.
ηmax.
83 %
No-load speed
n0
6130 min⁻¹
No-load current
I0
0.0272 A
Stall torque
MH
282 mNm
Friction torque
MR
2 mNm
Speed constant
kn
128 min⁻¹/V
Back-EMF constant
kE
7.37 mV/min⁻¹
Torque constant
kM
74.7 mNm/A
Current constant
kI
0.014 A/mNm
Slope of n-M curve
Δn/ΔM
21.4 min⁻¹/mNm
Rotor inductance
L
1530 µH
Mechanical time constant
τm
3.9 ms
Rotor inertia
J
15 gcm²
Angular acceleration
αmax.
170 ·10³rad/s²
Thermal resistance
Rth1/Rth2
4.1 / 12.19 K/W
Thermal time constant
τw1/τw2
30 / 771.13 s
Operating temperature range
-30 ... 125 °C
Winding temperature, max.
155 °C
Housing material
steel, nickel plated
Mass
156 g
Direction of rotation
clockwise, viewed from the front face
Speed up to
nmax.
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 (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
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 (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
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 (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
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 (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
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 (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
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