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Once you receive your order confirmation email, your order will be processed within 2–3 business days (excluding weekends and public holidays).
Installation must be carried out by a qualified electrician.
Ensure power is switched off before installation.
Suitable for indoor use.
The Live Electrical RSA140B-030 40A Type A Mini RCBO provides reliable protection for high-load and dedicated electrical circuits. Designed for UK consumer units, this compact single-module RCBO combines overload, short circuit, and 30mA earth leakage protection to ensure maximum safety and compliance.
Ideal for domestic and light commercial installations, it helps prevent electric shock, insulation faults, and fire risks while meeting BS EN 61009-1 standards.
✔ Switching & isolation capability
✔ Overload & short circuit protection
✔ 30mA earth leakage protection
✔ Protection against sinusoidal fault currents
✔ Direct & indirect contact protection
✔ Reduces fire risk from insulation faults
✔ Compact single module design
✔ Type A protection for modern electrical loads
Product Code: RSA140B-030
Current Rating: 40A
Tripping Curve: B
Breaking Capacity: 6kA
Residual Current: 30mA
Device Type: Type A
Voltage: 230V AC
Modules: 1
Electrical endurance: 4,000 cycles
Mechanical endurance: 10,000 cycles
Standard: BS EN 61009-1
A 40A RCBO is commonly used for heavy-duty circuits, power distribution, cookers, showers, and large appliances.
Type A RCBO detects AC and pulsating DC earth fault currents from modern electrical devices.
30mA sensitivity disconnects power quickly to protect users from electric shock.
Yes, it complies with BS EN 61009-1 and UK wiring regulations.
Yes, an RCBO combines both protections into one compact device.
