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OT1250EP03P ABB 1250A 3 Pole Earthing Switch
ABB OT1250EP03P 1250 A three pole earthing switch with IP65 handle and shaft designed for safe industrial grounding and electrical isolation applications.
£2,425.46
Why Choose the ABB OT1250EP03P Earthing Switch?
The ABB OT1250EP03P is a robust 1250 A three-pole earthing switch designed for safe electrical isolation and grounding operations in industrial power distribution systems. As part of the reliable ABB OT switch-disconnector series, it provides dependable manual operation for applications requiring secure earthing functionality and high-current switching performance.
This front-operated, vertically base-mounted earthing switch includes a black IP65 handle and shaft together with a terminal bolt kit for straightforward installation. The design combines ABB’s proven switching technology with a durable mechanical construction suitable for demanding industrial environments. :chatgpt-content-reference{index="0"}
With a rated operational current of 1250 A, a three-pole configuration and a main circuit rated operational voltage of 1000 V, the OT1250EP03P is suitable for industrial electrical systems requiring reliable earthing and safe maintenance isolation. :chatgpt-content-reference{index="1"}
Key Advantages
- Heavy-duty 1250 A earthing switch for industrial power applications.
- Three-pole configuration for three-phase earthing applications.
- Complete operating solution with black IP65 handle and shaft included.
- Base-mounted design for flexible switchboard installation.
- Front-operated mechanism for simple manual operation.
- High short-time withstand capability for demanding electrical environments.
Key Features
- ABB OT switch-disconnector series.
- 1250 A rated operational current.
- 3-pole earthing switch design.
- 1000 V rated main circuit voltage.
- Front-operated manual mechanism.
- Vertically base-mounted construction.
- Black IP65 handle and shaft included.
- Terminal bolt kit included.
- Lug terminal connection design.
- Padlockable operating mechanism.
- Designed for earthing switch applications.
Reliable Industrial Earthing and Isolation
Earthing switches such as the ABB OT1250EP03P provide a reliable method of grounding electrical circuits during maintenance and servicing procedures. They help improve operator safety by ensuring equipment can be safely connected to earth when required.
The ABB OT series combines robust mechanical construction, reliable switching performance and flexible installation options. The OT1250EP03P is designed for industrial power distribution systems where dependable earthing capability is essential. :chatgpt-content-reference{index="2"}
Typical Applications
- Industrial power distribution switchboards.
- Electrical switchgear assemblies.
- Maintenance earthing systems.
- Heavy machinery isolation applications.
- Manufacturing and process equipment.
- Industrial electrical infrastructure.
Technical Specifications
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| Device Type | Earthing switch | |
|---|---|---|
| Power | 710 kW | |
| Product Series | ABB OT | |
| Series | OT Switch Disconnectors | |
| Product type | Earthing switch | |
| ABB order code | 1SCA118453R1001 | |
| Rated operational current | 1250 A | |
| Number of poles | 3 poles | |
| Rated operational voltage | 1000 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| AC-22A rated current | 1250 A | |
| AC-23A rated current | 1250 A | |
| AC-23A rated power | 710 kW at 400–415 V, 900 kW at 500 V, 1200 kW at 690 V | |
| Conventional free-air thermal current | 1250 A | |
| Rated short-time withstand current | 50 kA for 1 s | |
| Rated short-circuit making capacity | 110 kA at 690 V | |
| Protection rating | Front IP00 | |
| Mounting type | Base mounting | |
| Operating mode | Front operated | |
| Terminal type | Lug terminals | |
| Handle | Black IP65 handle included | |
| Shaft | Included | |
| Operating mechanism | Mechanism at end of switch, position 03 left side | |
| Utilisation | Earthing switch use | |
| Mechanical durability | 6000 operations | |
| Standards | IEC 60947-3 | |
| Dimensions (W × H × D) | approx. 334.5 × 306 × 145.5 mm | |
| Weight | approx. 15.6 kg |
Frequently Asked Questions
What is the ABB OT1250EP03P used for?
The ABB OT1250EP03P is used for manual earthing and safe grounding of electrical circuits in industrial power systems.
What current rating does this earthing switch have?
The OT1250EP03P has a rated operational current of 1250 A.
How many poles does the ABB OT1250EP03P have?
The OT1250EP03P is a three-pole earthing switch.
Is the handle included with the OT1250EP03P?
Yes, the OT1250EP03P is supplied with a black IP65 handle and shaft.
What standards does the OT1250EP03P comply with?
The OT1250EP03P complies with IEC 60947-3 standards.
Trusted by Industrial Electrical Engineers Worldwide
ABB OT earthing switches are widely used in industrial power systems to provide safe grounding, reliable isolation and dependable operation in demanding electrical environments.
