



MK Sentry H6820S Type 2 SPN Surge Protection Device 2 Module
H6820S
MK Sentry H6820S Type 2 SPN Surge Protection Device – 2 Module, DIN Rail Mounted, 18th Edition Compliant
The MK Sentry H6820S is a Type 2 Single Pole and Neutral (SPN) Surge Protection Device designed to protect electrical installations and connected equipment from over-voltage events, such as lightning strikes or grid switching. Fully compliant with BS EN standards and the 18th Edition IET Wiring Regulations, this 2-module SPD is ideal for consumer units and low-voltage distribution boards.
- Effective Surge Protection: Reduces the risk of damage caused by transient over-voltages to sensitive electronic and electrical equipment.
- Type 2 SPD: Suitable for use in low-voltage installations at the distribution board level, including residential and light commercial systems.
- 18th Edition Compliant: Meets the latest IET Wiring Regulations for surge protection requirements in new installations.
- Easy Installation: DIN rail mountable with tunnel-style terminals and generous cable capacity for straightforward wiring.
- Compact 2-Module Design: Ideal for integration into MK Sentry Consumer Units without sacrificing space or accessibility.
Technical Specification
- Type: Type 2 SPD
- Configuration: Single Pole and Neutral (SPN)
- Modules: 2
- Mounting: DIN rail
- Compliance: 18th Edition IET Wiring Regulations
- Standards: BS EN Compliant
- Dimensions: 85 x 75 x 36mm
✅ Install the MK Sentry H6820S SPD for reliable surge protection and regulation-compliant safeguarding of modern electrical systems!

Range | Circpro MK Sentry |
Product | Surge Protection Device |
Type | Type 2 |
Voltage | 230|240 V |
Pole Configuration | SP+N |
Number Of Poles | Double Pole (2P) |
Enclosed | N |
Number Of Modules | 2 |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
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**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
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