Schneider BRS397W661ACA Stepper Motor
MPNBRS397W661ACA
Obsolete
Square D BRS397W661ACA Stepper Motor
$1,750.00 – $2,625.00Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Motor type | 3-phase stepper motor |
| Feedback type | Single turn encoder |
| Type of cooling | Natural convection |
| Product or component type | Motion control motor |
| Supply voltage limits | 230 V AC 325 V DC |
| Line rated current | 1.75 A |
| Maximum starting frequency | 5.3 kHz |
| Number of motor poles | 6 |
| IP degree of protection | IP41 shaft bushing: conforming to EN/IEC 60034-5 IP56 total except shaft bushing: conforming to EN/IEC 60034-5 |
| Mounting support | Flange |
| Mounting holes diameter | 0.3 in (6.5 mm) |
| Number of mounting holes | 4 |
All specifications
| Parameter | Value |
|---|---|
| Circle diameter of the mounting holes | 3.90 in (98.99 mm) |
| Electrical connection | Connector |
| Relative humidity | 15...85 % without condensation |
| Operating altitude | <= 3280.84 ft (1000 m) without power derating |
| Vibration resistance | 20 m/s² maximum A EN/IEC 60034-14 |
| Centring collar depth | 0.08 in (2 mm) |
| Standards | EN 50347 IEC 60072-1 |
| Length | 4.4 in (111 mm) |
| Category | US1PC5518284 |
| Shaft end | Woodruff key |
| Resistance | 6.5 Ohm winding) |
| Resolution | 1000 points/turn 1.8 °, 0.9 °, 0.72 °, 0.36 °, 0.18 °, 0.09 °, 0.072 °, 0.036 ° step angle 200, 400, 500, 1000, 2000, 4000, 5000, 10000 steps number of full steps per revolution |
| Second shaft | Without second shaft end |
| Shaft length | 1.2 in (30 mm) |
| Holding brake | Without |
| Rotor inertia | 1.1 kg.cm² |
| Time constant | 7 ms |
| Accuracy error | +/- 6 arc min |
| Holding torque | 20.003 lbf.in (2.26 N.m) |
| Nominal torque | 17.7 lbf.in (2 N.m) |
| Shaft diameter | 0.5 in (12 mm) |
| Device short name | BRS3 |
| Motor flange size | 3.3 in (85 mm) |
| Peak stall torque | 16.8 lbf.in (1.9 N.m) |
| Temperature class | F winding IEC/EN 60034-1 |
| Angular acceleration | 200000 rad/s² |
| Service life in hours | 20000 h bearing) |
| Maximum axial force fa | 175 N tensile force) 30 N force pressure) |
| Continuous stall torque | 16.8 lbf.in (1.9 N.m) |
| Maximum radial force fr | 100 N first shaft end) 50 N second shaft end) |
| Centring collar diameter | 2.4 in (60 mm) |
| Maximum mechanical speed | 3000 rpm |
| Speed feedback resolution | 10000 points/turn |
| Ambient air temperature for storage | -13...158 °F (-25...70 °C) |
| Ambient air temperature for operation | -13...104 °F (-25...40 °C) |
MPN
BRS397W661ACA