ABB · PLC Module
ABB Motor-operated automatic changeover OTM250E4CM230C
OTM250E4CM230C
ABB
ABB Motor-operated automatic changeover OTM250E4CM230C
Need ABB OTM250E4CM230C? Motor-operated automatic changeover switch for Low-voltage power distribution / Automatic Transfer System. Price & Availability B…
Specifications
| Brand | ABB |
|---|---|
| Model Number | OTM250E4CM230C |
| Official Product Name | 4-Pole Motorized Changeover Switch 250A |
| Applicable System | Low-voltage power distribution / Automatic Transfer System (ATS) |
| Product Type | Motor-operated automatic changeover switch (open transition) |
| Equivalent Standard | IEC 60947-6-1 |
| Product Status | Active |
| Lifecycle note | Commercialized / In production (confirm availability with supplier) |
| Rated permanent current Iu | 250 A |
| Rated operating voltage Ue | 1000 V AC |
| Rated insulation voltage Ui | 1000 V AC |
| Rated short-time withstand current Icw | 8 kA |
| Switching power at 400 V | 140 kW |
| Front protection rating | IP20 |
| Net weight | 7.5 kg (unit) / 6.4 kg (package) |
| Reference dimensions (L x W x H) | 307 mm x 150 mm x 197 mm |
| Country of origin | Finland (supplier stated); also produced in China |
| Number of poles | 4 |
Product Description
Basic Product Information
- Motor-operated switching with manual handle for emergency operation
- Compact footprint, approximately 20% smaller than comparable products on the market
- Rated 250 A at AC-23, 400 V; withstand current Icw 8 kA
- Clear front labeling and integrated motor control for fast, safe installation
- 4-pole design with mechanical and electrical interlocking to prevent simultaneous closing of two sources
Technical Specifications
Version & Model Difference
['OTM E4CM230C family covers 160 A to 2500 A in 4-pole versions with 230 V AC motor operator', 'Compared with manual OTM variants, the E4CM230C adds a 230 V AC motor operator for remote/automatic transfer', 'For 250 A, select OTM250E4CM230C; higher ratings use OTM400/630/800/1000/1600/2500E4CM230C']
Application Scenarios
- Automatic changeover between mains and standby generator in factories and data centers
- Transfer between two utility feeders for critical process continuity
- Hospitals, airports, and ports requiring reliable uninterrupted power supply
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