B-BC series.

Servomotor type B14
High dynamic servomotors with natural air cooling. 142mm square case flange and six body lengths. Stall torque S1 service from 9 Nm to 34 Nm.
Electrical data ( Voltage 400VAC )
Version for 400VAC power supply |
Symbol | U. M. | B14S | B14N | B14M | B14L | B14G | B14X |
Drive power supply voltage |
400VAC | |||||||
Stall torque at 100K Δt |
To | Nm | 9.00 | 13.6 | 16.27 | 22.00 | 28.83 | 34.00 |
Stall torque at 65K Δt |
To | Nm | 7.26 | 10.96 | 13.12 | 17.74 | 23.24 | 27.41 |
Rated speed |
n | RPM | 3000 | |||||
Power at rated speed at 100K Δt |
Pn | W |
3127 | 4459 | 5065 | 6139 | 6516 | 9891 |
Torque at rated speed at 100K Δt |
Tn |
Nm |
9.96 | 14.20 | 16.13 | 19.55 | 20.75 | 31.50 |
Peak torque with S3 10% at 100K Δt |
Tpk |
Nm |
24.30 | 36.72 | 43.93 | 59.40 | 77.84 | 91.80 |
Acceleration referred to the peak torque |
apk | rad/s2 |
43171 | 50446 | 49076 | 48397 | 49901 | 48525 |
Acceleration referred to the peak torque (motor with brake) |
apkb | rad/s2 |
28475 | 33326 | 37072 | 27419 | 31150 | 32428 |
Poles | PN | 6 |
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Winding resistance 20°C Phase/phase |
Rw |
Ohm |
2.90 | 1.57 | 0.97 | 0.77 | 0.58 | 0.30 |
Inductance phase/phase 50Hz |
Lw |
mH | 18.75 | 9.89 | 6.40 | 4.80 | 3.55 | 3.20 |
EMF Costant ref. at 20°C |
Ke | Vs |
0.90 | 0.92 | 0.91 | 0.92 | 0.93 | 0.93 |
Torque constant at 20°C |
Kt | Nm/Arms | 1.57 | 1.59 | 1.58 | 1.59 | 1.61 | 1.59 |
Rated voltage at 100K Δt |
Vn | V |
320 | |||||
Stall current at 100K Δt |
Io |
A | 5.6 | 8.5 | 10.2 | 13.8 | 18.0 | 21.3 |
Rated speed current at 100K Δt |
In |
A | 6.2 | 8.9 | 10.1 | 12.2 | 13.0 | 19.7 |
Peak current | Ipk | A | 15.51 | 21.34 | 27.75 | 37.26 | 48.33 | 52.33 |
Demagnetization current |
Idm |
A | 19.37 | 26.93 | 38.11 | 54.64 | 71.67 | 92.75 |
Electrical data ( Voltage 230AC )
Version for 230VAC power supplye |
Symbol | U. M. | B14S | B14N | B14M | B14L | B14G | B14X |
Drive power supply voltage |
230VAC | Avvolgimento non disponibile | ||||||
Stall torque at 100K Δt |
To | Nm | 9.00 | 13.6 | 16.27 | 22.00 | 28.83 | 34.00 |
Stall torque at 100K Δt |
To | Nm | 7.26 | - | - | - | - | - |
Rated speed |
n | RPM | 3000 | |||||
Power at rated speed at 100K Δt |
Pn | W |
3127 | - | - | - | - | - |
Torque at rated speed at 100K Δt |
Tn |
Nm |
9.96 | - | - | - | - | - |
Peak torque with S3 10% at 100K Δt |
Tpk |
Nm |
24.30 | - | - | - | - | - |
Acceleration referred to the peak torque |
apk | rad/s2 |
43171 | - | - | - | - | - |
Acceleration referred to the peak torque (motor with brake) |
apkb | rad/s2 |
28475 | - | - | - | - | - |
Poles | PN | 6 |
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Winding resistance 20°C Phase/phase |
Rw |
Ohm |
0.97 | - | - | - | - | - |
Inductance phase/phase 50Hz |
Lw |
mH | 5.10 | - | - | - | - | - |
EMF Costant ref. at 20°C |
Ke | Vs |
0.54 | - | - | - | - | - |
Torque constant at 20°C |
Kt | Nm/Arms | 0.93 | - | - | - | - | - |
Rated voltage at 100K Δt |
Vn | V |
210 | - | - | - | - | - |
Stall current at 100K Δt |
Io |
A | 9.6 | - | - | - | - | - |
Rated speed current at 100K Δt |
In |
A | 10.6 | - | - | - | - | - |
Peak current |
Ipk | A | 26.22 | - | - | - | - | - |
Demagnetization current |
Idm |
A | 32.93 | - | - | - | - | - |
Mechanical data
Motor type B14 |
Symbol | U. M. | B14S | B14N | B14M | B14L | B14G | B14X |
Rotor inertia |
Jm | gm2 | 1.08 | 1.5 | 1.93 | 2.79 | 3.65 | 4.51 |
Rotor inertia (motor with brake) |
Jmb | gm2 | 1.25 | 1.68 | 2.11 | 3.36 | 4.22 | 5.08 |
Mass |
M | Kg | 12 | 15 | 17.1 | 21.9 | 27.1 | 33 |
Mass with brake |
Mb | Kg | 12.9 | 15.9 | 18 | 23.5 | 28.7 | 34.6 |
Thermal data
Motor type B14 |
Symbol | U. M. | B14S | B14N | B14M | B14L | B14G | B14X |
Reference and operating conditions |
°C | 0÷40 |
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Insulatation class |
Class F |
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Cooling system |
Natural air: IC410 (not ventilated) |
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Protection degree |
IP65 (shaft excluded) |
Brake parking data
Motor type B14 |
Symbol | U. M. | B14S | B14N | B14M | B14L | B14G | B14X |
Brake type |
07 | 08 | ||||||
Static brake torque at 20° / 100°C* |
Tb | Nm | 18 / 15 | 36 / 32 | ||||
Power at 20°C |
Pb | W | 24 | 26 | ||||
Coupling time | ms | 10 | 22 | |||||
Release tipe | ms | 50 | 90 | |||||
Voltage ±5% |
VDC | 24 | ||||||
Backlash | Arcmin | 0 | ||||||
* Torque obtained after running in |
Standard technical specifications
Type |
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- Low inertia permanent magnet servomotor |
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Rotor |
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- rare earth permanent magnets ( NdFeB ) |
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Winding |
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Standard |
- 3000rpm |
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On demand |
- other combinations of voltage and speed possible. |
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Insulation |
- class F |
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Thermal protection sensors |
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Standard |
- PTC, only for sizes winded at 220/400V |
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Cooling system |
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- natural air IC410 (not ventilated) |
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Standard protection |
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Standard |
- IP65 (shaft side excluded) |
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Optional |
- Seal ring. IP65 protection on the shaft side must be requested and is considered effective only in the presence of an oil bath coupling or with the presence of lubricant. |
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Ballbearings |
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- ball bearings with double shield lubricated for life |
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Balancing |
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- grade G6,3 according ISO 21940-11 |
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Axis/flange concentricity and perpendicularity |
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- grade "N" (normal) - according IEC 72 - DIN0530 |
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Shaft output |
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- with key, with coaxial threaded hole |
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Brake |
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Optional |
- permanent magnet parking brake, 24VDC power supply with determined polarity.Brake engaged in the absence of power. |
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Connections and cables |
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Power | - with vertical connector type MIL ( code A ) |
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Signal | - with vertical connector type MIL ( code A ) for Resolver - with vertical connector type M23 ( code A ) for Encoder - with angular connector type M23 shaft side ( code G ) For Encoder - with angular connector type M23 opposite side ( code H ) for Encoder |
Feedback descrizioni
Feedback
Resolver |
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Code - 1 |
- 2 poles resolver |
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Incremental Encoder |
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Code - 2 |
- Incremental optical encoder at 1024imp./rev. with Hall sensors arranged at 120° - 5V line drive voltage |
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Code - 200 |
- Incremental optical encoder at 2500imp./rev. with Hall sensors arranged at 120° - 5V line drive voltage |
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Code - 280 |
- Incremental magnetic encoder at 1024imp./rev. with Hall sensors arranged at 120° - 5V line drive voltage |
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Absolute encoder |
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Code - 480 |
- Absolute magnetic single-turn encoder SSI with 12 Bit resolution and SinCos channels |
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Code - 512 |
- Absolute optical multi-turn encoder BiSS-B with 22 Bit per turn and 12 Bit multi-turn resolution and SinCos channels 2048imp./rev. |
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Dimensions

Motor type |
L | LF | Note |
B14K | 212.5 | 261.5 | 1)The oil seal is mounted only if an oil bath coupling is provided |
B14S | 237.5 | 281.5 | |
B14N | 261.5 | 305.5 | |
B14M | 288.5 | 332.5 | |
B14L | 339.5 | 391.5 | |
B14G | 391.5 | 443.5 | |
B14X | 443.5 | 493.5 |