LOHER CHEMSTAR Motors Ex nA
Technical data:
Motors:
1PS1 (LOHER CHEMSTAR) Loher name: A…K
Shaft heights:
Frame sizes 071 - 355 mm (area of standard motors) Power range : (50 Hz types) Up to 315 kW (thermally utilized according to temperature class B at TU = 40 °C) Number of poles: 2 - 12 pole; also higher numbers of poles for special versions pole changing - 2 speeds e.g. 4/2, 8/4, 12/6 - 3 speeds e.g. 8/4/2, 8/6/4 Voltage range: Low-voltage up to 1000 V Rated voltages: All of the usual low voltages and voltage ranges according to IEC 60038. However, also: Non-standard voltages and / or frequencies according to customer specifications Operating mode: S1 and various Degree of protection: IP55, IP56, to IP68 Cooling type: IC 411, IC 416, however, also special cooling types such as e.g. non-ventilated IC 410 Type of construction: IM B3, IM B5, IM B35, IM V1, IM V3, IM V5, IM V18, IM B14, IM B34 (special) Enclosure: Gray cast iron Bearings: Ball bearings (standard) and special bearings for high axial (thrust) and radial forces Standards: IEC, EN, DIN, VDE Types of protection: Non sparking nA as well as dust explosion protection according to EN 50281-1-1 / EN 50281-1-2 Noise level: All motors are noise-optimized (noise limit values according to EN 60034-9), low-noise version possible for 2-pole motors (GG3)
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