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Niglon M3CU21SP 100A DP Main Switch 17 Way SPD Consumer Unit

SKU: M3CU21SP
Delivery usually within 1-3 working days*
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The Niglon M3CU21SP Consumer Unit features 17 usable ways, a 100A DP main switch, and a built-in Type 2 SPD, offering premium circuit protection for residential and commercial setups.

£80.51 + VAT

(incl. VAT £96.61)

— OR —

Description

100A DP Main Switch Type 2 SPD Consumer Unit – 17 Usable Way SPD Consumer Unit

High-Capacity Circuit Protection with Built-In Type 2 Surge Protection – Niglon M3CU21SP 17 Way SPD Consumer Unit

Niglon M3CU21SP


The Niglon M3CU21SP Consumer Unit is a 21-module, 17 usable way consumer unit, engineered for reliable and regulation-compliant power distribution in residential and commercial settings. Featuring a 100A double pole (DP) main switch isolator and a built-in Type 2 (or 3) surge protection device (SPD) rated at 15kA, it offers essential protection from transient overvoltage events, ensuring compliance with BS7671:2018 and BS EN 61643-11.

Housed in a durable powder-coated steel enclosure finished in RAL 9010, this unit offers excellent durability, while its IP20 and IK05 ratings ensure suitability for indoor environments and resistance to physical impact.

Key Features of the Niglon M3CU21SP

  • 100A Double Pole Main Switch – Ensures safe circuit isolation
  • Integrated Type 2 (or 3) SPD (15kA) – Protects against surge-related damage
  • 17 Usable Ways – Ideal for RCBO configurations, enabling individual circuit protection
  • 21-Module Design – Offers flexibility for expansion and configuration
  • Durable Powder-Coated Steel Enclosure – Finished in RAL 9010 for a clean, professional look
  • IP20 Rated – For safe indoor use
  • IK05 Impact Rating – Resistant to knocks and physical damage
  • Certified to BS7671:2018 and BS EN 61439-3 – Fully 18th Edition compliant

Technical Specifications of the Niglon M3CU21SP 17 Way SPD Consumer Unit

  • Model: M3CU21SP
  • Main Switch Rating: 100A DP
  • SPD Type: Type 2 (or 3) – 15kA Imax (BS EN 61643-11 compliant)
  • Usable Ways: 17
  • Modules: 21 total
  • Material: Powder-coated steel
  • Finish Colour: RAL 9010
  • Voltage: 230V AC
  • Frequency: 50Hz
  • Max. Incoming Cable Size: 35mm²
  • Ingress Protection: IP20
  • Impact Resistance: IK05
  • Standards Compliance:
    • BS7671:2018 (18th Edition Wiring Regulations)
    • BS EN 61439-3 (Low-voltage switchgear and controlgear assemblies)
    • BS EN 61643-11 (SPD Standard)
  • Certifications: Semko, Kema Keur, CSA, UR, EAC, CE, UKCA, Intertek
  • Dimensions:
    • Width: 433mm
    • Height: 237mm
    • Depth: 110mm

Applications

  • Residential Installations – Suitable for large properties with multiple circuits
  • Commercial Properties – Provides safe and robust distribution with surge protection
  • EV Charger Ready Boards – Ideal for installations using RCBOs for full circuit separation
  • Workshops, Extensions & Outbuildings – Durable and adaptable solution for all power requirements

Why Choose the Niglon M3CU21SP?

  • Built-in Type 2 SPD – Offers protection against surge voltages and lightning transients
  • RCBO-Friendly Design – 17 usable ways provide full circuit separation potential
  • Strong & Reliable Build – Powder-coated steel with industry-certified protection ratings
  • Fully 18th Edition Compliant – Designed to meet all current wiring regulation requirements
  • Backed by a Trusted Brand – Niglon is a recognised name in circuit protection

Summary


The Niglon M3CU21SP 100A DP Main Switch Type 2 SPD Consumer Unit offers 17 usable ways within a 21-module enclosure, making it ideal for RCBO configurations. With a 15kA Type 2 SPD, durable RAL 9010 powder-coated steel housing, and full compliance with 18th Edition regulations, it’s a robust solution for residential and commercial electrical distribution.

Downloads

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Additional information

Brand

Niglon

Product

Consumer Unit

Consumer Unit Type

18th Edition Consumer Unit, RCBO Consumer Unit, SPD Main Switch Consumer Unit

Usable Ways

17

Depth (mm)

110

Height (mm)

237

Width (mm)

433

This product will be ordered from one of ours suppliers. The usual dispatch time to you is displayed above. You will receive a notification if there are any delays once your order is placed.

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