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Crabtree Starbreaker MCB 6kA – 6A to 50A

SKU 61/B06
£4.75
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    Family-run, Birmingham-based business
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    Quick dispatch across the UK
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    Trade and retail welcome
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The Crabtree Starbreaker MCB 6kA is a reliable single pole miniature circuit breaker designed for efficient circuit protection in residential and commercial installations. Engineered with advanced safety features and consistent performance, it ensures protection against overloads and short circuits while maintaining durability and ease of installation.

Key Features :


Wide Current Range: Available from 6A to 50A, suitable for diverse electrical protection needs
B & C Curve Options: Provides flexibility for both residential (B curve) and inductive loads (C curve)
High Breaking Capacity: 6kA short-circuit breaking capacity ensures enhanced circuit safety
Energy Limiting Class 3: Minimizes thermal and mechanical stress during fault conditions
Plug-in Design: Easy installation and secure fit within distribution boards
Compact Modular Size: Single module width for efficient space utilization
Certified & Safe: Complies with BS EN 60898-1, CE & UKCA approved

Specifications :


Poles: Single pole (1P), 1 protected pole
Current Rating: 6A, 10A, 16A, 20A, 32A, 40A, 50A
Rated Voltage: 230V AC, Frequency 50Hz
Insulation Voltage (Ui): 400V
Impulse Withstand Voltage (Uimp): 4kV
Breaking Capacity (Icn): 6kA at 230V / 400V
Tripping Curve: B & C Curve options
Current Limiting Class: Class 3
Mounting Type: Plug-in, non-flush mounted
Module Width: 1 module
Built-in Depth: 73mm
IP Rating: IP20
Operating Temperature: -5°C to +40°C
Conductor Size: 0.75–25 mm² (multi-wired)
Standards & Compliance: BS EN 60898-1, CE, UKCA, WEEE

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Standard delivery takes 3-7 working days, or you can choose speedy delivery (£8.95) for 1-3 working days. Orders over £85 qualify for free standard shipping to UK mainland addresses. We'll email you when your order is dispatched with tracking details.

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SPEEDY DELIVERY