Product Overview

The Crabtree CSPD7444-1 Type 1+2 Surge Protection Device (SPD) delivers combined protection against direct lightning currents (Type 1) and transient overvoltages caused by switching events (Type 2). Designed for 3 phase, 5-wire systems, this device provides comprehensive surge protection at the origin of commercial and industrial electrical installations.

Engineered for compatibility with Crabtree sub-distribution boards (excluding Fusestar), the CSPD7444-1 is supplied complete with plug-in protection modules and occupies 8 modular widths within the distribution board. It offers reliable defence against surge-related damage to electrical infrastructure and sensitive equipment.

Key Features

• Type 1+2 Surge Protection Device (SPD)
• Suitable for 3P 5-wire systems
• Nominal voltage (AC): 240/415V
• 8 module wide design
• Supplied with plug-in protection modules
• Compatible with Crabtree sub-distribution boards (except Fusestar)
• Combined lightning and switching surge protection
• Robust construction for long-term reliability

Applications

The Crabtree CSPD7444-1 Type 1+2 SPD is ideal for installation at the service entrance of three-phase commercial and industrial premises. It helps protect distribution boards and connected electrical systems from surge damage, minimising downtime and reducing the risk of costly repairs.

Technical Documentation

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

Download the Crabtree CSPD7444-1 Datasheet