ABB E203/125R three pole isolator switch disconnector, rated at 125 A for DIN rail mounted low voltage electrical distribution and control panel applications.
£133.11
The ABB E203/125R is a compact and robust three-pole isolator switch designed for reliable manual switching and circuit isolation in low-voltage electrical distribution systems. Part of ABB’s modular E200 range, this switch disconnector provides dependable ON/OFF control for industrial, commercial and panel-building applications.
Manufactured to IEC/EN 60947-3 and EN 60669-1 standards, the E203/125R is suitable for commanding loads while supporting safe electrical isolation during maintenance and operation. Its DIN rail mounting design makes it easy to integrate into modular distribution boards, control cabinets and OEM electrical assemblies.
With a rated current of 125 A and a three-pole switching configuration, the ABB E203/125R is ideal for three-phase circuit isolation, auxiliary power circuits and higher-rated control panel applications. Practical installation features include captive screws, Pozidrive size 2 terminals and fast removal without dismantling the busbar.
Switch disconnectors such as the ABB E203/125R provide a clear and dependable method of isolating electrical circuits during maintenance, inspection and system operation. By allowing manual switching of three-pole circuits, the device helps support safe working practices in low-voltage distribution environments.
The compact modular design makes the E203/125R especially useful for control panels, distribution boards and OEM assemblies where panel space, reliability and compliance are important. Its compatibility with auxiliary contacts and locking accessories further increases flexibility for safety, indication and monitoring functions.
| Current | 125 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | E200 |
| Model | E203/125R |
| Product ID | 2CDE283001R0125 |
| Product type | Isolator / switch disconnector |
| Rated current | 125 A |
| Rated voltage | 400 V AC |
| Number of poles | 3 pole |
| Mounting type | DIN rail |
| Standards | IEC/EN 60947-3, EN 60669-1 |
| Approvals | VDE, CCC, KEMA |
| Protection rating | IP10 |
| Pollution degree | 3 |
| Rated conditional short-circuit current | 25 kA |
| Width in modular spacings | 3 |
| Dimensions (H × W × D) | approx. 85 × 52.5 × 69 mm |
| Built-in depth | approx. 70 mm |
| Weight | approx. 0.29 kg |
| EAN | 4016779646147 |
| HS Code | 85365080 |
| Country of Manufacture | Bulgaria |
The ABB E203/125R is used for manual switching and isolation of three-pole low-voltage electrical circuits in distribution boards, control panels and industrial installations.
The E203/125R has a rated current of 125 A.
This isolator has a three-pole switching configuration, making it suitable for three-phase circuit isolation.
Yes, the ABB E203/125R is designed for DIN rail mounting in modular electrical panels and distribution boards.
Yes, the E203/125R can accept up to three S2C-H6R auxiliary contacts, depending on the installation requirements.
ABB modular isolators are widely used by electrical engineers, panel builders and maintenance teams who require dependable switching, safe isolation and robust performance in low-voltage electrical installations.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...