WECM - WEG Electronically Commutated Motor

 Standard Features

• Permanent Magnet, Electronically Commutated Motor
• Single-phase, 220 to 277 VAC, 50/60 Hz input
 Output power:0,12 to 1,1 kW at 1500, 1800 or 3000 rpm; Mounting: IEC80 B3L
• Three-phase, 380 to 480 VAC, 50/60 Hz input
 Output power:0,12 to 4 kW at 1500, 1800 or 3000 rpm; Mounting: IEC80 and IEC100, B3T
• Aluminum frame, degree of protection IP55
• Ambient temperature: -20 to 40°C (TENV)¹; or -20 to 60°C (TEAO)²
• Total efficiency (motor + drive) – IE6³
• Vibration Grade A
• Direction of rotation CW/CCW (selectable)
• Continuous speed adjustment (200 to 1500/1800 rpm and 500 to 3000 rpm) by:
   Tact buttons (local)
   DC voltage (remote): 2 to 10 VDC
   DC current (remote): 4 to 20 mA DC
   Frequency (remote): 10 to 95%
• Local controls optically isolated
• With drain plug and V’ring sealing
• Sealed for life bearings
• Drive-end bearing cap
• Power and control cables 500 mm long
• Electronic protection: overload, over temperature and locked-rotor.
• Fire mode (Override & Maximum speed mode)

Notes:

1. Totally Enclosed, Non-ventilated. Output limited to 0,65 kW. Refer to WEG for electrical data.
2. Totally Enclosed, Air Over rated. Minimum airflow over motor frame and drive cover 5 m/s.
3. The WECM reaches the future IE6 level of efficiency, the highest in the market - considering 20% less losses then IE5 according to the standard IEC TS 60034-30-2 - for variable speed electric motor.

Optional Features

• Passive PFC (Power Factor Correction)⁴ - Single-phase
• Pad mounting (4x90° or 3x120°) and FF-165 flange
• Slinger seal for vertical shaft-up mounting
• 115 V input power supply (up to 0,55 kW) - Single-phase
• Decentralized drive and motor mounting
• Customized shaft ends
• Double shaft ends (only with decentralized drive version)
• External controller with display to adjust maximum and instantaneous speed values

Notes:

4 - WECM require the use of an external filter (passive PFC) to comply with the harmonic current emissions requirements of EN 61000-3-2. Refer to WEG for further details.