Product Overview

The Crabtree 18R63/30/4 Loadstar RCCB is a high-performance 63A 30mA four pole Type AC residual current circuit breaker, designed to provide reliable protection against earth leakage and electric shock in three-phase electrical installations.

Engineered specifically for use with Crabtree Loadstar distribution boards, this 4P RCCB ensures dependable residual current protection in commercial and industrial environments. For incoming supply configurations, it can be used alongside the 18LK125 connection kit.

Key Features

• 63A rated current
• 30mA residual operating current for enhanced personal protection
• 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 reliability

Applications

The Crabtree 18R63/30/4 RCCB is ideal for use as an incomer or main protective device within three-phase systems. With a 30mA sensitivity rating, it provides additional protection against electric shock, making it suitable for commercial premises, industrial facilities and larger electrical installations.

Technical Documentation

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

Download the Crabtree 18R63/30/4 Datasheet