Fan & Exhaust / Smoke Extraction Motors
Cast Iron Smoke Extraction
WECM
The WECM (WEG Electronically Commutated Motor) is a simple and efficient solution for air moving applications that require speed adjustment. The total system efficiency (motor + drive) meets the IE5 efficiency level.
WECM - WEG Electronically Commutated Motor
Standard Features
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. Direct method - Input-Output IE levels according to 60034-30-1 and 60034-30-2.
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. Direct method - Input-Output IE levels according to 60034-30-1 and 60034-30-2.
- 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
- IEC80, aluminum frame, degree of protection IP55
- Mounting: foot
- Ambient temperature: -20 to 40°C (TENV)¹ or -20 to 60°C (TEAO)²
- Total efficiency (motor + drive) – IE5³
- 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)
Optional Features
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.
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.
- Passive PFC (Power Factor Correction)4
- 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)
- Decentralized drive and motor mounting
- Customized cable lengths
- Customized shaft ends
- Double shaft ends (only with decentralized drive version)
- External controller with display to adjust maximum and instantaneous speed values