Free UK Delivery On All Orders
Order Before 3PM For Same Working Day Dispatch
Next Working Day Delivery Available
All In Stock And Ready To Dispatch

DORMAN SMITH

DORMAN SMITH 63 AMP TYPE 2 M9 MCB CIRCUIT BREAKER AS632

DORMAN SMITH 63 AMP TYPE 2 M9 MCB CIRCUIT BREAKER AS632

£19.00

  • Item Condition:Used
  • SKU:10736
DORMAN SMITH 63 AMP TYPE 3 M9 MCB CIRCUIT BREAKER AS633

DORMAN SMITH 63 AMP TYPE 3 M9 MCB CIRCUIT BREAKER AS633

£24.95

  • Item Condition:Used
  • SKU:10749
DORMAN SMITH 70 AMP 3kA MCB CIRCUIT BREAKER LOADMASTER

DORMAN SMITH 70 AMP 3kA MCB CIRCUIT BREAKER LOADMASTER

£39.95

  • Item Condition:Used
  • SKU:10865
DORMAN SMITH 8 AMP TYPE 3 M4.5 MCB CIRCUIT BREAKER LOADMASTER SERIES 15
DORMAN SMITH 80 AMP 25kA TRIPLE POLE MCCB LOADLINE AA LLBAAT80
DORMAN SMITH 80 AMP 25kA TRIPLE POLE MCCB LOADLINE AA WHITE
DORMAN SMITH 80 AMP MCCB LOADLINE AA

DORMAN SMITH 80 AMP MCCB LOADLINE AA

£94.16

  • Item Condition:Used
  • SKU:10093
DORMAN SMITH 80 AMP MCCB LOADLINE AA LLBAA80 WHITE

DORMAN SMITH 80 AMP MCCB LOADLINE AA LLBAA80 WHITE

£99.95

  • Item Condition:New
  • SKU:8339
DORMAN SMITH 800 AMP 32kA TRIPLE POLE MCCB LOADLINE TYPE CA

DORMAN SMITH 800 AMP 32kA TRIPLE POLE MCCB LOADLINE TYPE CA

£499.99

  • Item Condition:Used
  • SKU:11004
DORMAN TYPE 2 20 MCB TRIPLE POLE M9 CIRCUIT BREAKER AT202

DORMAN TYPE 2 20 MCB TRIPLE POLE M9 CIRCUIT BREAKER AT202

£24.19

  • Item Condition:Used
  • SKU:10706
Displaying 461 to 480 (of 488 products)
Dorman Smith
Keep your specialized distribution boards, commercial installations, and heavy-duty industrial power networks running safely with our immediately available stock of genuine Dorman Smith 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 Dorman Smith catalog is updated regularly and designed to accommodate a diverse range of configurations, including:
  • Dorman Smith MCBs: High-quality miniature circuit breakers tracking single-pole, double-pole, and triple-pole variants across extensive historic and modern lines—including Loadmaster, Loadlimiter (LLR), Series 15, and classic AS, K, and X product series spanning 1A to 70A.
  • Dorman Smith MCCBs: High-capacity moulded case circuit breakers engineered for high-integrity commercial power distribution, featuring the premium Loadline collection (Type AA, YA2, YA3, and YA3J lines) scaling up to heavy-duty 800 Amp benchmarks.
  • Dorman Smith RCBOs & RCDs: Comprehensive earth-leakage protection modules available right now, including multi-pole RCCBs and double-pole RCBOs from the GR, KR1, KR2, and XR series lines across Type A and Type AC safety configurations.
  • Main Switches & Control Gear: Robust double-pole, triple-pole, and four-pole switch disconnectors up to 250 Amp alongside heavy-duty modular contactors with standard 230V and 240V coil specifications.
  • Advanced Circuit Safety: Reliable fault tracking across varied breaking capacity metrics (ranging from 3kA, 10kA, 25kA, up to industrial 65kA parameters) and distinct tripping characteristics (Curves B, C, D, and legacy Type 2, 3, and 4 curves).
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.