Product Overview

The Crabtree 18R63/100/4 Loadstar RCCB is a dependable 63A 100mA four pole Type AC residual current circuit breaker, designed to provide effective protection against earth leakage faults in three-phase electrical installations.

Specifically developed for use with Crabtree Loadstar distribution boards, this 4P RCCB ensures reliable residual current protection across commercial and industrial environments. For incoming supply configurations, it can be paired with the 18LK125 connection kit.

Key Features

• 63A rated current
• 100mA residual operating current
• Four pole (4P) configuration
• Type AC RCCB – suitable for AC residual currents
• Designed for Crabtree Loadstar distribution boards
• Compatible with 18LK125 connection kit for incoming options
• Robust construction for long-term performance

Applications

The Crabtree 18R63/100/4 RCCB is ideal for use as an incomer or protective device within three-phase systems. With a 100mA sensitivity rating, it provides dependable earth fault protection in commercial premises, industrial units and larger electrical installations.

Technical Documentation

For full technical specifications and installation guidance, please download the official datasheet below:

Download the Crabtree 18R63/100/4 Datasheet