The SR-A4.0091.060-10.015 from Bosch Rexroth Indramat offers a locked rotor torque of 9.1 Nm and a rated speed of 6 000 min⁻¹. Part of the SR Synchronous Servo Motors series, it features a torque constant of 0.65 Nm/A, draws a locked rotor current of 14 A, and has a protection type of IP20.
It has a maximum length of 246 mm, a resolver encoder (SR) with a resolution of 8 192 incr./rev., and a moment of inertia of 21 × 10⁻⁴ kg·m². The motor weighs 13 kg and withstands a winding temperature rise of 100 K.
Control voltage for holding brake
24 V DC ±10%
Locked rotor current (i0)
14 A
Locked rotor torque (m0)
9.1 Nm
Mass without holding brake
13 kg
Max length without holding brake
246 mm
Moment of inertia
21×10^-4 kg·m²
Protection type
IP20
Rated speed
6,000 min⁻¹
Resistor requirement
3.3 Ω
SF encoder precision
±20 arcsec
SF encoder resolution
8,000,000 incr./rev.
SF encoder type
Single-turn (STG) or Multi-turn (MTG)
Shaft dimensions
Ø24×50 mm
SR encoder precision
±10 arcmin
SR encoder resolution
8,192 incr./rev.
SR encoder type
Resolver (SR)
Torque constant (kt)
0.65 Nm/A
Winding temperature rise
100 K