ABB e203/125r 3p compact isolator 125a

ABB e203/125r 3p compact isolator 125a

ABB E203/125R three pole isolator switch disconnector, rated at 125 A for DIN rail mounted low voltage electrical distribution and control panel applications.

SKU: E203/125RAlt SKU: E203/125RMPN: 2CDE283001R0125
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List Price £133.11 ex VAT
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£86.52 35% OFF
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Manufacturer Lead Time Estimated Delivery 4 - 5 Days
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Why Choose the ABB E203/125R Isolator?

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.

Key Advantages

  • Compact three-pole isolator switch for low-voltage installations.
  • 125 A rated current suitable for distribution and control applications.
  • Designed for DIN rail mounting in modular electrical panels.
  • Manufactured to IEC/EN 60947-3 and EN 60669-1.
  • Fast removal without dismantling the busbar.
  • Compatible with auxiliary contacts and locking accessories.

Key Features

  • ABB E200 series isolator.
  • 125 A rated current.
  • Three-pole switching configuration.
  • 400 V AC rated voltage.
  • DIN rail mounted design for distribution boards and control panels.
  • Captive screws with recessed/slotted head.
  • Pozidrive size 2 terminal screws.
  • Integrated lay-on edge for ILS labelling system.
  • Compatible with up to three S2C-H6R auxiliary contacts.
  • Locking device available as an accessory to help prevent unauthorised ON/OFF operation.

Reliable Circuit Isolation for Electrical Distribution

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.

Typical Applications

  • Electrical distribution boards.
  • Industrial control panels.
  • Three-phase circuit isolation.
  • Machinery and automation systems.
  • Commercial building services.
  • Panel building and OEM electrical assemblies.

Technical Specifications

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Device Type Modular Switch Disconnect
Mounting Type DIN rail
Product Series ABB E200
Current 125 A
Phase Three Phase
Poles 3-pole
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

Frequently Asked Questions

What is the ABB E203/125R used for?

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.

What current rating does the ABB E203/125R have?

The E203/125R has a rated current of 125 A.

How many poles does the ABB E203/125R have?

This isolator has a three-pole switching configuration, making it suitable for three-phase circuit isolation.

Is the ABB E203/125R suitable for DIN rail mounting?

Yes, the ABB E203/125R is designed for DIN rail mounting in modular electrical panels and distribution boards.

Can auxiliary contacts be fitted to this isolator?

Yes, the E203/125R can accept up to three S2C-H6R auxiliary contacts, depending on the installation requirements.

Trusted by Electrical Panel Builders Worldwide

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.