Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
abb Automatic transfer switch 800 amps with 4 Poles
ABB OTM800E4CB3D230C automatic change-over switch, an 800 A four pole motorised transfer switch designed for reliable low voltage power source switching.
Why Choose the ABB OTM800E4CB3D230C Automatic Change-over Switch?
The ABB OTM800E4CB3D230C is a robust and reliable automatic change-over switch (ATS) designed for secure transfer between two electrical power sources in industrial and commercial low voltage distribution systems. As part of the advanced ABB OTM automatic change-over switch series, it provides dependable open transition switching for applications where continuous power availability is essential.
This automatic change-over switch combines ABB’s proven switch-disconnector technology with a motorised transfer mechanism, enabling reliable source change-over in standby power, generator and critical power applications. Its durable construction and high current capability make it suitable for demanding electrical installations requiring safe and efficient power transfer.
With a rated current of 800 A, a four-pole configuration and a 230 V AC control supply, the ABB OTM800E4CB3D230C is ideal for automatic transfer systems, emergency power installations and industrial distribution panels. The unit features base mounting and an open transition switching design for dependable operation.
Key Advantages
- High-capacity automatic change-over switch for low voltage power systems.
- 800 A rated current capability for industrial and commercial installations.
- Four-pole switching arrangement for complete source transfer.
- 230 V AC motor operator supply for automatic operation.
- Open transition switching for reliable mains and backup source transfer.
- Robust ABB construction for critical power applications.
Key Features
- ABB OTM automatic change-over switch series.
- 800 A conventional thermal current rating.
- Four-pole (4P) automatic transfer switch design.
- 230 V AC operating mechanism.
- Direct mounted handle configuration.
- Open transition switching technology.
- Base mounting design for electrical panels.
- Suitable for generator, standby power and distribution applications.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB OTM800E4CB3D230C help maintain electrical supply continuity by automatically transferring loads between primary and backup power sources. This makes them essential components in systems where uninterrupted power availability is required.
The ABB OTM series is designed for industrial automation engineers, panel builders and facility operators requiring reliable low voltage power management. Its high current rating, integrated motor operation and robust switching mechanism provide dependable performance in demanding environments.
Typical Applications
- Automatic mains failure (AMF) systems.
- Generator backup power installations.
- Industrial distribution switchboards.
- Commercial building power systems.
- Data centres and critical infrastructure.
- UPS and emergency power transfer systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Base mounting | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Operation | Automatic | |
| Coil / Supply Voltage | 230 V AC | |
| Poles | 4-pole | |
| Manufacturer | ABB | |
| Series | OTM Automatic Change-over Switches | |
| Model | OTM800E4CB3D230C | |
| Product type | Automatic change-over switch | |
| Rated current | 800 A | |
| Number of poles | 4-pole | |
| Motor operator voltage | 230 V AC | |
| Rated operational voltage | 1000 V | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-time withstand current | 20 kA rms for 1 s | |
| Power loss | 40 W | |
| Mounting type | Base mounting | |
| Switching type | Open transition | |
| Dimensions (H × W × D) | approx. 357 × 476 × 299 mm | |
| Weight | approx. 37 kg | |
| Product ID | 1SCA108734R1001 |
Frequently Asked Questions
What is the ABB OTM800E4CB3D230C used for?
The ABB OTM800E4CB3D230C is used for automatic transfer between two electrical power sources in industrial and commercial low voltage systems.
What current rating does this automatic change-over switch support?
The switch supports a rated current of 800 A for demanding power distribution applications.
How many poles does the ABB OTM800E4CB3D230C have?
The ABB OTM800E4CB3D230C is a four-pole automatic change-over switch.
What voltage is required for the motor operator?
The automatic operating mechanism uses a 230 V AC supply.
Where is this switch typically installed?
The switch is typically installed in electrical distribution panels, generator systems and critical power control equipment.
Trusted by Power Distribution Engineers Worldwide
ABB OTM automatic change-over switches are widely used in industrial and commercial power systems to provide reliable source transfer, operational continuity and secure electrical distribution.
