KPER, W4_R
VEM EX MOTORS, type of protection “ec” (gas)
Gas-classified motor for potentially explosive environments Ex ec IIC T3 GC
- frame sizes 63 – 355
- power range 0,18 kW – 450 kW
- 400/690 V 50 Hz
- mode of operation S1
- relubrication device (NS) as standard starting from frame size IEC 200
- insulated bearing, thermistors (TPM), 1 kpl/phase as standard starting from frame size IEC 250
- speeds 3000, 1500, 1000, 750 1/min
- robust, low-vibration grey-cast iron design
- protection class IP 55 as standard, higher degrees up to IP 66 on request
- thermal class 155 (F) as standard, class 180 (H) available as an option
- cooling method IC 411
- energy efficiency classes IE3, IE2, IE1 and non-classified
- voltage range “zone A” as standard, “zone B” also available
- temperature class T3 as standard, T4 also available
