Description
Type 2 SPD – 3P+N 40kA Surge Protection for 3 Phase Systems
⚡ WCED Whitecliffe WSPD440
The WCED Whitecliffe WSPD440 20kA/40kA 3P+N Type 2 SPD Surge Protection Device (also called a Whitecliffe 4-pole Type 2 surge arrestor) offers strong protection against voltage spikes and electrical surges. Designed for 3-phase systems with a neutral line, this Type 2 SPD for 3P+N networks keeps your installations safe from lightning-related and switching transients.
It complies with BS7671 and 18th Edition regulations and is ideal for use in residential, commercial, and industrial environments. With a max discharge current of 40kA, it’s a high-capacity, space-saving solution for surge-prone circuits.
What You Get – WSPD440 Surge Device Specs
- 1 x WCED WSPD440 SPD (Type 2, 3P+N, 4 module)
- Nominal discharge current: 20kA
- Max discharge current: 40kA
- Voltage: 230/400V (AC), 275V Uc
- Mounting: 35mm DIN rail
- Mechanical red/green indicators
- Screw terminal connections (2.5–25mm²)
- Operating temp: -40 to +85°C
- IP20 protection rating
Key Features of the WSPD440 Type 2 Surge Breaker
- 3P+N Design – Protects all phases and neutral for full coverage
- Type 2 Protection (40kA) – Stops indirect lightning surges and internal switching spikes
- Failsafe Disconnection – Built-in mechanism isolates the SPD if needed
- Visual Status Indicators – Red/green markers show active/fault status
- DIN-Rail Mount – Fast, tool-free installation for electricians
Best Applications for the WCED Type 2 SPD
Use this SPD in a wide range of installations:
- Residential – Defends appliances and circuit boards from damage
- Commercial – Keeps networks, lighting, and POS systems secure
- Industrial – Shields 3-phase machines, panels, and sensitive tech
Need a Metal-Enclosed Version?
Check out the WCED WMCUSP463C Type 2 3P+N SPD with Metal Enclosure for enclosed installs with added mechanical protection.
Summary – Full-Phase SPD for Demanding Electrical Systems
The WCED WSPD440 Type 2 SPD gives full-spectrum protection for 3-phase+N circuits. Compact, powerful, and compliant, it’s ideal for anyone looking to upgrade surge safety without sacrificing space or performance.
