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2CDH783010R0502 ABB S753DR-E50 50 A 3-Pole Type E Selective 25 kA Main Circuit Breaker
ABB S753DR-E50 is a 50 A three-pole Type E selective main circuit breaker with 25 kA short-circuit breaking capacity for coordinated overload and short-circuit protection in three-phase electrical distribution systems.
£251.64
Why Choose the ABB S753DR-E50 Selective Main Circuit Breaker?
The ABB S753DR-E50 is a high-performance three-pole selective main circuit breaker (SMCB) designed to provide dependable overload and short-circuit protection in electrical distribution systems where selective coordination and continuity of supply are important. Part of the ABB S750 DR series, this model combines a 50 A rated current, E selective tripping characteristic and high short-circuit breaking capacity.
The S753DR-E50 uses a voltage-independent operating principle and is designed for coordinated protection with other circuit breakers in an electrical installation. The selective operating behaviour of the S750 DR range helps ensure that faults are disconnected as locally as possible, reducing unnecessary interruption to unaffected circuits and supporting reliable power distribution.
With a three-pole configuration, 50 A rated current and a specified short-circuit breaking capacity of 25 kA, the S753DR-E50 provides robust protection for three-phase commercial and industrial distribution applications. Its modular DIN-rail construction supports straightforward installation in compatible distribution equipment, while ABB order code 2CDH783010R0502 identifies this specific E-characteristic model.
Key Advantages
- Selective main circuit breaker for coordinated electrical protection.
- 50 A rated current for three-phase distribution circuits.
- Three-pole configuration for simultaneous protection and switching.
- E selective tripping characteristic.
- High 25 kA short-circuit breaking capacity.
- Provides dependable overload and short-circuit protection.
- Voltage-independent operating principle.
- Selective coordination helps minimise interruption to unaffected circuits.
Key Features
- ABB S750 DR selective main circuit breaker series.
- 50 A rated current.
- Three-pole configuration.
- E selective tripping characteristic.
- 25 kA short-circuit breaking capacity.
- Selective operation for coordinated distribution protection.
- Voltage-independent protection principle.
- Overload and short-circuit protection functions.
- Modular construction for distribution-board applications.
- DIN-rail mounting for straightforward integration into electrical distribution equipment.
Reliable Selective Protection for Three-Phase Distribution
Selective main circuit breakers such as the ABB S753DR-E50 are designed to coordinate with other protective devices so that an electrical fault can be disconnected as close as possible to its source. This selective behaviour helps prevent unnecessary disconnection of healthy circuits, improving continuity and availability throughout the electrical distribution system.
The ABB S750 DR range combines overload and short-circuit protection with selective operation and a voltage-independent design. The three-pole S753DR-E50 is particularly suited to three-phase distribution systems where dependable fault protection must be combined with effective coordination between upstream and downstream protective devices.
Typical Applications
- Three-phase electrical energy distribution systems requiring selective protection.
- Main distribution and sub-distribution boards.
- Commercial and industrial electrical installations.
- Building power distribution systems.
- Three-phase feeder and distribution circuits.
- Installations requiring coordination with downstream miniature circuit breakers.
Technical Specifications
| Series | S750 DR |
|---|---|
| ABB order code | 2CDH783010R0502 |
| Product group | S800 / S800P / S750 MCB |
| Product type | Selective main circuit breaker (SMCB) |
| Number of poles | 3 |
| Rated current | 50 A |
| Tripping characteristic | E selective |
| Short-circuit breaking capacity | 25 kA |
| Protection functions | Overload and short-circuit protection |
| Operating principle | Voltage-independent |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB S753DR-E50 used for?
The ABB S753DR-E50 is a three-pole selective main circuit breaker designed to provide overload and short-circuit protection while supporting coordinated operation with other protective devices in electrical distribution systems.
What is the rated current of the ABB S753DR-E50?
The S753DR-E50 has a rated current of 50 A and uses a three-pole configuration.
What is the breaking capacity of the S753DR-E50?
The S753DR-E50 has a specified short-circuit breaking capacity of 25 kA.
What does the E characteristic mean on the S753DR-E50?
The E selective characteristic defines the circuit breaker's selective tripping behaviour and supports coordinated protection with other protective devices in the electrical distribution system.
Where is the ABB S753DR-E50 typically installed?
The S753DR-E50 is typically DIN-rail mounted in compatible three-phase distribution boards, switchboards and other electrical distribution assemblies.
Trusted Selective Circuit Protection from ABB
ABB S750 DR selective main circuit breakers provide coordinated, voltage-independent protection for electrical distribution systems where dependable fault protection, selectivity and continuity of supply are essential.
