ESR
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ESR
Keep your specialized distribution boards, commercial installations, and domestic consumer units running safely with our immediately available stock of genuine ESR circuit protection components. As dedicated UK electrical supply experts, we specialize in sourcing both current and rare or obsolete modules, allowing you to find the exact replacements you need without facing costly panel retrofits.
Our online ESR catalog is updated regularly and designed to accommodate a diverse range of configurations, including:
- ESR MCBs: High-quality miniature circuit breakers available across standard configurations and popular lines like the B6B1 series, tracking reliable overcurrent safety demands from 6A to 50A.
- ESR RCBOs: Comprehensive residual current breakers with overcurrent protection from specialized single-module ranges (such as the RCBO1 and RCBO1M series) built for focused earth-leakage defense under modern Type A and legacy Type AC guidelines.
- Advanced Circuit Safety: Reliable fault tracking, standard residential breaking capacity parameters (6kA ratings), and popular domestic Type B tripping curves engineered for robust electrical safety.
Why Choose Circuit Breaker Specialists?
- Free UK Delivery: Enjoy cost-free shipping automatically applied on every single order.
- Same Working Day Dispatch: Complete your online checkout before 3PM, and we dispatch your package today.
- Next Working Day Shipping: Urgent delivery options available at checkout to minimize system downtime during critical faults.