Stober PK - Electrical Features; General Features; Product Description

Line Value Description
8 cURus E488992 cURus test symbol, registered under UL number E488992 (op-
tional)
9 3~ synchronous servo motor
16/01
Motor type: Three-phase synchronous servo motor
Date of manufacture (year/calendar week)
10 M0=3.00Nm
MN=2.80Nm
I0=2.88A
IN=2.74A
Stall torque
Nominal torque
Stall current
Nominal current
11 nN=3000rpm
IP56
Therm. class 155 (F)
Nominal speed
Protection class
Thermal class
12 EnDat 2.2 EQI 1131 ST encoder Encoder model
13 QR code Link to product information
14 Fan
230V ± 5%; 50/60Hz
INF = 0.07A
Forced ventilation unit (optional)
Nominal voltage of the forced ventilation unit
Nominal current of the forced ventilation unit
11.6 Product description
11.6.1 General features
Feature Description
Design IM B5, IM V1, IM V3 in accordance with EN 60034-7
Protection class IP56 / IP66 (option)
Thermal class 155 (F) in accordance with EN 60034-1 (155°C, heating Δϑ = 100K)
Surface Matte black as per RAL 9005
Cooling IC 410 convection cooling
(IC 416 convection cooling with forced ventilation units, optional)
Bearing Rolling bearing with lifetime lubrication and non-contact sealing
Sealing Radial shaft seal rings made of FKM (A side)
Shaft Shaft without feather key, diameter quality k6
Radial runout Normal tolerance class in accordance with IEC 60072-1
Concentricity Normal tolerance class in accordance with IEC 60072-1
Axial runout Normal tolerance class in accordance with IEC 60072-1
Vibration intensity A in accordance with EN 60034-14
Noise level Limit values in accordance with EN 60034-9
11.6.2 Electrical features
General electrical features of the motor are described in this chapter. Details can be found in the "Selection
tables" chapter.
Feature Description
DC link voltage DC 540 V (max. 620 V) on STOBER drive controllers
Winding Three-phase, single-tooth coil design
Circuit Star, center not led through
Protection class I (protective grounding) in accordance with EN 61140
Impulse voltage insulation
class (IVIC)
C in accordance with DIN EN 60034-18-41 (inverter connection voltage 0 –
480V ± 10%)
Number of pole pairs 2 (EZ2)
5 (EZ3)
7 (EZ4/EZ5/EZ7)
8 (EZ8)
11 EZsynchronous servo motors 11.6 Product description
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