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.
BIS4125A IMO Isolating Switch 4 Pole, 125 Amp, 230/400VAC
IMO BIS4125A is a 125 A 4-pole DIN rail isolating switch rated at 230/400 V AC and manufactured in accordance with IEC 60947-3 for high-current electrical circuit isolation.
£45.47
Why Choose the IMO BIS4125A 125 A 4-Pole Isolating Switch?
The IMO BIS4125A is a high-current 4-pole isolating switch designed to provide reliable electrical isolation in industrial, commercial and control-panel applications. Manufactured by IMO Precision Controls, it enables four circuit conductors to be switched simultaneously, making it particularly suitable for three-phase and neutral systems requiring a common isolation point.
Rated at 125 A and 230/400 V AC, the BIS4125A provides substantial current-handling capability for demanding low-voltage installations. Its four-pole configuration allows coordinated disconnection of all poles, providing a practical isolation solution for distribution equipment, machinery and industrial electrical systems.
The BIS4125A forms part of IMO's modular isolating switch range and is manufactured in accordance with IEC 60947-3. Designed for DIN rail mounting, it provides a compact and accessible means of high-current electrical isolation within professional distribution boards and control assemblies.
Key Advantages
- High 125 A rated current for demanding electrical isolation applications.
- 4-pole switching enables simultaneous isolation of four circuit conductors.
- Suitable for 230/400 V AC low-voltage electrical systems.
- DIN rail mounting for convenient integration into distribution and control equipment.
- Manufactured in accordance with IEC 60947-3.
- Well suited to three-phase and neutral isolation applications.
Key Features
- 4-pole isolating switch.
- 125 A rated current.
- 230/400 V AC rated voltage.
- 50/60 Hz operating frequency.
- DIN rail mounted modular construction.
- IP20 protection degree.
- 6 kA rated short-circuit capacity.
- Designed for electrical switching, disconnection and circuit isolation.
High-Current Four-Pole Isolation for Electrical Systems
A four-pole isolating switch provides a convenient means of disconnecting four conductors together from a common operating mechanism. This configuration is particularly useful for three-phase and neutral electrical systems where the installation design requires all four poles to be isolated simultaneously during maintenance, servicing or operational procedures.
The IMO BIS4125A is primarily designed for switching and electrical isolation. With its 125 A current rating, 230/400 V AC capability, four-pole configuration and IEC 60947-3 construction, it provides a practical high-current isolation solution for professional low-voltage distribution, machinery and industrial control assemblies.
Typical Applications
- Three-phase and neutral electrical distribution boards.
- Industrial machinery isolation.
- Control-panel incoming supply isolation.
- Commercial and industrial electrical installations.
- Automation and manufacturing equipment.
- Maintenance and service isolation points.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 125 A | |
|---|---|---|
| Voltage | 400 V | |
| Phase | Three Phase | |
| Manufacturer | IMO Precision Controls | |
| Series | BIS | |
| Model | BIS4125A | |
| Product type | Isolating switch / switch disconnector | |
| Number of poles | 4 | |
| Rated current | 125 A | |
| Rated voltage | 230/400 V AC | |
| Operating frequency | 50/60 Hz | |
| Rated short-circuit capacity | 6 kA | |
| Protection degree | IP20 | |
| Mounting | DIN rail | |
| Standard | IEC 60947-3 | |
| Function | Electrical circuit isolation and disconnection | |
| Application | Low-voltage electrical distribution and control systems | |
| Compliance marking | UKCA and CE |
Frequently Asked Questions
What is the IMO BIS4125A?
The IMO BIS4125A is a 4-pole isolating switch rated at 125 A and 230/400 V AC, designed to provide simultaneous switching and electrical isolation of four circuit conductors.
What is the current rating of the IMO BIS4125A?
The BIS4125A has a rated current of 125 A, making it suitable for demanding high-current isolation applications.
What voltage is the IMO BIS4125A rated for?
The IMO BIS4125A is rated for 230/400 V AC electrical systems operating at 50/60 Hz.
How many poles does the IMO BIS4125A have?
The BIS4125A has four poles, allowing four circuit conductors to be switched and isolated simultaneously from a common operating mechanism.
Which standard does the IMO BIS4125A comply with?
The IMO BIS4125A is manufactured in accordance with IEC 60947-3, the standard covering low-voltage switches, disconnectors and switch-disconnectors.
Designed for Industrial Electrical Applications
IMO modular isolating switches provide panel builders, machine manufacturers and electrical engineers with practical circuit-disconnection solutions for organised, dependable and maintainable industrial and commercial electrical installations.
