Product Overview

The Crabtree 18R40/30/4 Loadstar RCCB is a high-quality 40A 30mA four pole Type AC residual current circuit breaker, engineered to provide reliable protection against earth leakage and electric shock in three-phase electrical installations.

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

Key Features

• 40A 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
• Durable construction for long-term reliability

Applications

The Crabtree 18R40/30/4 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 units and other demanding installations.

Technical Documentation

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

Download the Crabtree 18R40/30/4 Datasheet