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.
OT1250E03P ABB 1250 A 3-Pole Isolator Switch
ABB OT1250E03P is a 1250 A 3-pole front-operated, base-mounted switch-disconnector designed for reliable high-current isolation and switching in industrial low-voltage electrical distribution systems.
£1,317.63
Why Choose the ABB OT1250E03P 1250 A 3-Pole Isolator Switch?
The ABB OT1250E03P is a heavy-duty 1250 A 3-pole isolator switch / switch-disconnector designed for reliable isolation and switching of low-voltage electrical circuits. Part of the proven ABB OT switch-disconnector series, it provides dependable disconnection for industrial power distribution, machinery and electrical installations requiring a high-current isolation solution.
This switch-disconnector is front operated and base mounted, providing a practical arrangement for installation in switchboards and electrical distribution assemblies. It is supplied with a black handle and shaft together with the terminal bolt kit, helping simplify installation and commissioning in suitable assemblies.
With a rated current of 1250 A, three poles and a main-circuit rated operational voltage of up to 1000 V, the OT1250E03P is engineered for demanding industrial distribution applications. Its robust switching mechanism provides positive circuit isolation while supporting AC-21A, AC-22A and AC-23A utilisation duties.
Key Advantages
- Heavy-duty 1250 A switch-disconnector for industrial power isolation.
- 3-pole configuration for three-phase electrical systems.
- Suitable for main-circuit operational voltages up to 1000 V.
- Front-operated, base-mounted design for straightforward switchboard integration.
- High short-time withstand capability for demanding electrical distribution systems.
- Supplied with black handle, shaft and terminal bolt kit.
Key Features
- ABB OT switch-disconnector series.
- 1250 A rated current.
- 3-pole switching configuration.
- 1000 V rated operational voltage for the main circuit.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 50 kA short-time withstand current for 1 s.
- AC-21A, AC-22A and AC-23A switching duties.
- Front-operated mechanism with base mounting.
- Lug terminals for high-current power connections.
Reliable High-Current Electrical Isolation
Switch-disconnectors provide a defined means of disconnecting electrical equipment and circuits from their power source. The ABB OT1250E03P combines load-switching capability with dependable isolation, making it suitable for high-current distribution systems where safe maintenance and controlled circuit disconnection are essential.
The ABB OT series is designed for industrial switchboards, distribution assemblies and machinery installations. The OT1250E03P's 1250 A rating, three-pole configuration and robust electrical withstand characteristics make it particularly suited to demanding three-phase power distribution applications.
Typical Applications
- Industrial low-voltage switchboards and distribution panels.
- Main electrical isolation for machinery and production equipment.
- High-current three-phase distribution systems.
- Industrial control and power distribution assemblies.
- Electrical infrastructure and plant distribution systems.
- OEM switchgear and panel-building applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Poles | 3-pole | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Current | 1250 A | |
| Power | 710 kW | |
| Product Series | ABB OT | |
| Series | OT Switch-Disconnectors | |
| Product ID | 1SCA022860R6230 | |
| Product type | Isolator switch / switch-disconnector | |
| Rated current | 1250 A | |
| Number of poles | 3 | |
| Rated operational voltage | 1000 V | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 12 kV | |
| Rated short-time withstand current (Icw) | 50 kA for 1 s | |
| AC-21A rated operational current | 1250 A at 380–415 V, 500 V and 690 V | |
| AC-22A rated operational current | 1250 A at 380–415 V, 500 V and 690 V | |
| AC-23A rated operational current | 1250 A at 380–415 V, 500 V and 690 V | |
| Rated operational power AC-23A | 710 kW at 400–415 V, 900 kW at 500 V, 1200 kW at 690 V | |
| Operating mode | Front operated | |
| Mounting type | Base mounting | |
| Terminal type | Lug terminals | |
| Standard | IEC 60947-3 | |
| Product dimensions (W × H × D) | 334.5 × 306 × 145.5 mm | |
| Product net weight | 15.4 kg |
Frequently Asked Questions
What is the ABB OT1250E03P used for?
The ABB OT1250E03P is a 1250 A 3-pole switch-disconnector used for switching and isolating high-current low-voltage electrical circuits in industrial power distribution systems.
What is the current rating of the OT1250E03P?
The OT1250E03P has a rated current of 1250 A.
How many poles does the ABB OT1250E03P have?
The OT1250E03P is a 3-pole switch-disconnector designed for three-phase electrical systems.
What is the rated operational voltage of the OT1250E03P?
The switch has a main-circuit rated operational voltage of up to 1000 V.
How is the ABB OT1250E03P installed and operated?
The OT1250E03P is a front-operated, base-mounted switch-disconnector and is supplied with a black handle, shaft and terminal bolt kit.
What standard applies to the ABB OT1250E03P?
The OT1250E03P is specified to IEC 60947-3 for switches, disconnectors, switch-disconnectors and fuse-combination units.
Trusted by Industrial Electrical Professionals Worldwide
ABB OT switch-disconnectors are widely applied in industrial electrical distribution, switchgear and machinery installations where dependable switching, circuit isolation and robust high-current performance are required.
