Overview
The BRS39AH660FBA is a Schneider 3-phase stepper motor with 6 poles, rated 35.4 lbf.in (4 N.m) torque, and sealed to IP56. It includes a holding brake and is built for the Lexium SD3 drive family.
Schneider BRS39AH660FBA 3-phase stepper motor, 6 poles, IP56
MPNBRS39AH660FBA
Obsolete
Schneider BRS39AH660FBA Square D Transparent Door — now discontinued, supplied from remaining surplus and broker stock.
$1,305.00 – $2,127.00Ref. 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 |
| Type of cooling | Natural convection |
| Product or component type | Motion control motor |
| Supply voltage limits | 34 V AC 48 V DC |
| Line rated current | 5.8 A |
| Maximum starting frequency | 5.3 kHz |
| Number of motor poles | 6 |
| IP degree of protection | IP56 total except shaft bushing: conforming to IEC 60034-5 IP41 shaft bushing without shaft seal ring: conforming to IEC 60034-5 |
| Mounting support | Flange |
| Mounting holes diameter | 0.3 in (6.5 mm) |
| Number of mounting holes | 4 |
| Circle diameter of the mounting holes | 3.90 in (98.99 mm) |
All specifications
| Parameter | Value |
|---|---|
| Electrical connection | Terminal box |
| Relative humidity | 15...85 % without condensation |
| Operating altitude | <= 3280.84 ft (1000 m) without power derating |
| Vibration resistance | 20 m/s² maximum A IEC 60034-14 |
| Centring collar depth | 0.08 in (2 mm) |
| Standards | IEC 50347 IEC 60072-1 |
| Length | 7.4 in (187 mm) |
| Category | US1PC5518284 |
| Shaft end | Woodruff key |
| Resistance | 0.55 Ohm winding) |
| Resolution | 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 | With |
| Rotor inertia | 2.2 kg.cm² |
| Time constant | 9 ms |
| Accuracy error | +/- 6 arc min |
| Holding torque | 42.5 lbf.in (4.8 N.m) |
| Nominal torque | 35.4 lbf.in (4 N.m) |
| Shaft diameter | 0.5 in (12 mm) |
| Device short name | BRS3 |
| Motor flange size | 3.3 in (85 mm) |
| Temperature class | F winding IEC 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) |
| Maximum radial force fr | 110 N first shaft end) 50 N second shaft end) |
| Centring collar diameter | 2.4 in (60 mm) |
| Maximum mechanical speed | 3000 rpm |
| Ambient air temperature for storage | -13...158 °F (-25...70 °C) |
| Ambient air temperature for operation | -13...104 °F (-25...40 °C) |
Product details
MPN
BRS39AH660FBA