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Live Electrical CB140D 40A Curve D 10kA MCB

SKU: CB140D
17 In stock
More available within 1-3 working days*
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The Live Electrical 40 Amp MCB offers 10kA breaking capacity and a 230-400V voltage rating. Designed for circuits with high inrush currents, it delivers 20,000 electrical endurance cycles. Ideal for use with Live Electrical Consumer Units.

£2.95 + VAT

(incl. VAT £3.54)

— OR —

Description

40A D Curve MCB Miniature Circuit Breaker – 10kA

Live Electrical CB140D Single Pole MCB

The Live Electrical 40 Amp Miniature Circuit Breaker (MCB) is engineered to protect circuits with high inrush currents, such as those found in motor-driven and transformer-based systems. With a 10,000A breaking capacity, this Type D MCB trips between 10 to 20 times the start-up current, ensuring robust protection for demanding applications.

Designed to operate at a voltage rating of 230-400V, it boasts an electrical endurance of 20,000 operations, making it a reliable choice for commercial and industrial settings.

This MCB’s compact dimensions (81mm x 17.5mm x 73mm) enable easy installation into Live Electrical Consumer Units and Live Electrical TPN Three Phase Distribution Boards. Pairing this MCB with Live Electrical Consumer Units ensures compliance with BS7671 standards, providing optimal safety and efficiency for your electrical systems.

Key Features:

  • Breaking capacity: 10kA
  • Voltage rating: 230-400V
  • Current rating: 40A
  • Electrical endurance: 20,000 operations
  • Compact dimensions: 81mm x 17.5mm x 73mm
  • Designed for use with Live Electrical Consumer Units

The Live Electrical 40A MCB is available now at Electrical4Less. Explore our extensive selection of MCBs and RCBOs, designed to provide excellent performance and value for all your electrical projects.

For maximum protection, pair this MCB with Live Electrical Consumer Units or Live Electrical SPD Consumer Units, both fully compliant with BS7671 standards.

Downloads

View Product Data Sheet

Additional information

Curve

D

No of Poles

1P

Fault Current

10kA

Product

MCB

Voltage

230V

Cut off time for Dispatch Delivery: Mon-Thu 3 PM *
Cut off time for Saturday Delivery: Friday 3 PM *
All orders placed on Sat/Sun will be dispatched on Monday.
Live Electrical Technical Support 0161 870 2592

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