EMPD Energy Efficient Motors
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S.F. No. 450/3A, Annai Nagar, Othakalmandapam Road, Chettipalayam, Coimbatore 641 201, Tamil Nadu, India

Brake motor · AC brake

EBM-A71-6-0.09

Brake motor · AC brake · 0.09 kW · 6 pole · 930 rpm

6 poleFrame 71230/400 V · 50 HzIP55 · IC411Duty S4CE
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IEC 71 · 230/400 V
Brake motor · AC brake
Representative model from frame 71 dimensions
Tap a partDrag to rotate · scroll to zoom
0.09kWRated output · 50 Hz
930rpmRated speed
55%Efficiency, full load
0.93NmRated torque
0.4ACurrent at 400 V
0.59Power factor
6.5kgWeight, B3
1.7× MNStarting torque

Performance · 50 Hz, tested values

Output0.09 kW
Poles · synchronous speed6 · 1000 rpm
Rated speed930 rpm
Rated torque MN0.93 Nm
Current at 230 V–
Current at 400 V0.4 A
Current at 690 V–
Efficiency 100 / 75 / 50 %55 / 52 / 47
Power factor 100 / 75 / 50 %0.59 / 0.5 / 0.4
Efficiency classBelow IE scope
Locked-rotor torque MA/MN1.7
Starting current IA/IN2.5
Breakdown torque MK/MN1.9
Rotor inertia J0.00081 kgm²
Sound pressure LPA at 1 m55 dB(A)
InsulationClass F, temperature rise class B
Enclosure · coolingIP55 · IC411 TEFC
Ambient−20 °C to +40 °C
Service factorNot applicable to S4 hoist duty; S1 versions SF 1.15 at 50 Hz

Torque–speed curve indicative

1×2×3× MAMKMN02505007501000speed · rpmtorque ÷ MN

Drawn through the catalogue points MA, MS, MK and MN. Request the tested curve for your application.

Part-load performance

30405060708090100555247100 % load75 % load50 % load Efficiency %cos φ × 100

Efficiency determined to IEC 60034-2-1. Values on a 400 V winding (230 V for single-phase), subject to IEC tolerances.

60 Hz · for North America

Supply460 V · 60 Hz
Output (calculated)0.1 kW · 0.14 HP
Nameplate HP1/8 HP
Speed1115 rpm
Torque0.65 lb-ft · 0.88 Nm
Full-load amps at nameplate HP≈ 0.39 A
Service factorNot applicable to S4 hoist duty

About these values

Calculated from EMPD tested 50 Hz / 400 V data (output × 1.15, speed × 1.2) and confirmed by test on order with a 60 Hz test certificate. Continuous-duty (S1) motors sold in the US must meet NEMA Premium efficiency and be DOE-certified. Please contact EMPD to discuss.

Frames are IEC metric; NEMA frames 56C to 256T built to MG 1 on request. Please confirm certification requirements (e.g. UL / CSA) at enquiry.

Export programme

Brake selection · AC brake

100 % of motor torqueEBA-07 · 1 Nm
150 % of motor torqueEBA-07 · 1.44 Nm
200 % of motor torque · hoistEBA-07 · 2 Nm
250 % of motor torqueEBA-09 · 2.5 Nm

Selecting the brake

Spring-applied, fail-safe AC brake. Choose 150 % for general machinery and 200 % for hoists. A red percentage shows the maximum brake torque available for this frame where it is below the column value. Brake coils for 230 V, 400 V or 460 / 575 V AC; manual release, micro switch and force-voltage rectifier options.

Brake sizing tool

Dimensions · IM B3, frame 71

L 329CBH 71EA 112

Schematic outline for orientation, not to scale for manufacture. Request the certified drawing (PDF / DXF / STEP) with your enquiry.

AFoot hole spacing, end112 mm
BFoot hole spacing, side90 mm
CShaft shoulder to foot hole45 mm
HShaft centre height71 mm
KFoot hole diameter7 mm
LOverall length incl. brake329 mm
ADCentre to terminal box top121.5 mm
DShaft diameter14 mm
EShaft length30 mm
MFlange B5 · pitch circle130 mm
NFlange B5 · spigot110 mm
PFlange B5 · outside diameter160 mm
SFlange B5 · hole diameter10 mm

Mountings B3, B5, B14, B35 and B34 on every rating. Shaft tolerance to IEC 60072. NEMA frames 56C to 256T built to MG 1 on request.

Let’s build your motor.

Send us output, speed, supply, mounting, duty and quantity. Our engineers reply with a recommendation and a quotation.