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RCBO 10KA 40A C Curve – High Load Electrical Protection Breaker

RCBO 10KA 40A C Curve – High Load Electrical Protection Breaker

Regular price £12.48
Regular price Sale price £12.48
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AvailabilityLow stock: 88 left

Vendor: Excel
Category: Circuit Breaker
Tags: Excel

Shipping Policy

Once you receive your order confirmation email, your order will be processed within 2–3 business days (excluding weekends and public holidays).

Installation & Safety

Installation must be carried out by a qualified electrician.
Ensure power is switched off before installation.
Suitable for indoor use.

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Product Overview

The RCBO 10KA 40A C Curve is a high-capacity electrical protection device engineered to deliver reliable safety for demanding power distribution systems. It combines residual current protection and overcurrent protection in a single compact unit, effectively safeguarding against earth leakage, overload, and short circuit faults. This all-in-one solution enhances system reliability while reducing the need for multiple protective components.

Designed for both residential and commercial environments, this RCBO ensures fast fault detection and interruption, helping prevent damage to wiring and connected equipment. It also provides protection against insulation failure and enhances user safety by reducing the risk of electrical shock, making it an essential component in modern electrical installations.


Key Features

  • Protection against earth leakage and fault currents
  • Prevents damage from overload and short circuit conditions
  • Provides additional safety against direct human contact
  • Suitable for residential and commercial electrical systems
  • Protects equipment from insulation failure
  • Lockable handle for improved operational safety
  • Compact and durable design for easy installation
  • High breaking capacity for dependable performance

Technical Specifications

  • Rated Current: 40A
  • Breaking Capacity: 10KA
  • Tripping Curve: C Curve
  • Device Type: RCBO (Residual Current Circuit Breaker with Overcurrent Protection)
  • Application: Domestic and commercial installations
  • Safety Feature: Padlock-compatible handle
  • Protection Functions: Earth leakage, overload, short circuit
  • Mounting Type: Distribution board installation

Why Choose a RCBO 10KA 40A C Curve

This RCBO is an excellent choice for high-load circuits requiring dependable and efficient protection. By combining multiple safety features into one device, it simplifies installation and optimizes space within electrical panels. Its rapid response to electrical faults helps minimize potential damage and downtime.

Engineered for durability and long-term performance, it is suitable for demanding environments where consistent safety is critical. The lockable handle further enhances control and security, preventing accidental or unauthorized operation during maintenance.


Frequently Asked Questions (FAQs)

1. What is the purpose of this RCBO?
It provides combined protection against earth leakage, overload, and short circuit faults.

2. Where can this 40A RCBO be used?
It is suitable for residential, commercial, and light industrial electrical systems.

3. What does the 10KA breaking capacity mean?
It indicates the device can safely interrupt fault currents up to 10,000 amperes.

4. Why is a C Curve used in this breaker?
C Curve breakers are ideal for circuits with moderate inrush currents like lighting and small motors.

5. What is the benefit of a lockable handle?
It prevents accidental or unauthorized switching, ensuring safety during maintenance and operation.