



Greenbrook CB3 Black 1 x 5 Way Single Pole Connector Block 100A
CB3
Greenbrook CB3 5-Way Single Pole Connector Block – Heavy-Duty, Sealable Solution for Meter & Mains Installations
The Greenbrook CB3 is a robust 5-way single pole connector block designed for demanding service positions. Suitable for use at meter or mains entry points, this 100A-rated unit delivers safe and secure cable terminations, ideal for professional electrical installations.
- Heavy-Duty Design: Engineered to handle up to 100A, perfect for residential and light commercial service positions.
- 5-Way Configuration: Supports up to five 35mm² cables per pole, allowing for high-capacity connections.
- Sealable Housing: Enables tamper-resistant installations for compliance and safety.
- Knockout Entry Points: Designed with easy-to-remove knockouts for quick and flexible cable access.
- Neutral Block Compatibility: Part of a range that includes both single and double pole versions for versatile system integration.
Technical Specification
- Rated Current: 100A
- Poles: Single pole
- Number of Ways: 5
- Cable Capacity: 5 x 35mm² per pole
- Voltage / Frequency: 250V / 50Hz
✅ Choose the Greenbrook CB3 for a reliable, sealable connector block that meets heavy-duty installation demands!

Ean Code | 5012739616822 |
Product | Connector Block |
Type | 5 Way Heavy Duty |
Colour | Black |
Length | 64 mm |
Unit Weight | 0.18 kg |
Material | Urea Phenolic |
Width | 47 mm |
Depth | 38 mm |
Current Rating | 100 A |
Current Rating (max) | 100 A |
Extra Information | 230VAC 100A (5)35Sq.mm Capacity c/w Sealed Lid Pack of 20 |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.