SQUARE D KQ10D163 63 AMP D Curve 10kA Mcb (Used/Refurbished)

£8.95 £10.74 Inc VAT

Maintain your Square D Loadcentre with this genuine, refurbished KQ10D163 63A Type D MCB. This single-pole circuit breaker provides 10kA protection and features a Type D tripping curve to handle high-inrush currents from motors and transformers. Our technicians test every unit to ensure mechanical and electrical reliability. The specialised Stab-lok plug-on design fits Qwikline II and KQ distribution boards perfectly, offering a heavy-duty solution for discontinued systems.
Key Features:
  • 63 Amp Power Rating
  • Type D Tripping Curve (High Inrush)
  • 10kA Breaking Capacity

2 in stock

Estimated Standard Delivery May 27, 2026 - May 28, 2026

Description

SQUARE D KQ10D163 63 AMP D Curve 10kA Mcb (Used/Refurbished)

Support high-inrush currents in your existing installation with this genuine refurbished Square D Loadcentre KQ10D163. This 63A Miniature Circuit Breaker (MCB) features a Type D tripping curve, specifically designed to handle the heavy startup surges of industrial motors, transformers, and large machinery. Built for Square D Loadcentre KQ and Qwikline II distribution boards, this breaker ensures a secure, plug-on fit for legacy systems.

Key Performance Features

Type D Tripping Curve: Allows for high initial surges (10–14x In) without nuisance tripping, making it ideal for heavy inductive loads.

High Current Rating: Provides reliable 63A protection for heavy-duty power circuits and industrial equipment.

Stab-lok Connection: The specialised prong-type plug-on design snaps directly onto the busbar for a fast, tool-free replacement.

10kA Breaking Capacity: Safely manages high fault currents to protect your entire electrical installation from damage.

Technical Specifications
  • Current Rating: 63 Amps
  • Tripping Curve: Type D
  • Breaking Capacity: 10kA
  • Condition: Refurbished / Pre-owned
  • Mounting: Plug-on / Stab-lok
  • Brand: Square D (Schneider Electric)
  • Compatibility: Fits Square D KQ & Qwikline II Boards