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Circpro MK Sentry H4520S AFDD/RCBO 20A DP Curve C 30MA Type A

H4520S

£101.94 inc Vat
£84.95 ex Vat
Delivery available in 1-2 working days. Get in touch for stock availability.
Normally dispatched within 2 to 4 working days

The MK Sentry AFDDs provide protection against fires caused by electrical arcing resulting from faulty wiring or poor connections. The AFDD analyses current/voltage characteristics to identify arcing and automatically trip to isolate the circuit. AFDDs detect arcing faults which can be undetected by MCBs and RCDs.

Features

  • Meets BS EN and IET Wiring Regulation requirements
  • Single module
  • DP switching
  • MCB Curve C
  • RCD Type A
  • 6000A breaking capacity
  • Reduces the risk of fire
  • Positive status indication

Standards and approvals

  • Product Standard: BS EN62606, BS EN61009-1
  • Product Certification: UKCA/CE
  • Degree of Pollution: 2
Description

Technical Specification

Electrical

  • Current rating- 20A
  • Operating voltage- 285V AC
  • Rated short circuit capacity- 6000A
  • MCB Curve-  C
  • RCD operation- Type A 30mA tripping current
  • Surge current resistance- 3000A @8/20s μs
  • Energy limiting class- 3

Physical

  • Ambient operating temperature  –5°C to +40°C
  • Number of poles-  1P + N
  • IP rating-  Front face IP4X, screw IP2X
  • Terminal capacity- Line / Neutral (Load) 16mm2 (torque 1.2Nm) Line (Supply) 10mm2 (torque 2.5Nm)
  • Max. installation altitude- 2000 metres

Dimensions & Weight

  • (HxWxD) 116mm x 18mm x 77mm
  • Weight 0.185Kg (0.2Kg packed)
Technical Information
Trip Type Type A
Product RCBO
Type Combined RCBO AFDD
Current Rating 20 A
Number Of Poles Double Pole (2P)
Downloads

Data Sheet

DOWNLOAD
Delivery

Delivery Costs

Our standard delivery charge to UK mainland addresses is £5.49 ex-VAT.

Take advantage of FREE* Delivery when you spend over £50 (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.

Solar Panels, Batteries and Inverters

Due to their size all solar panels, batteries and inverters orders up to 25 qty will be despatched on a pallet and incur a £120** ex-VAT delivery charge.

**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.

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Stock Availability and Delivery

1-2 Days Essentials Delivery

In-stock items for delivery to you within 1-2 working days. We will contact you if we do not have all of your items in stock.

2-4 Days Delivery

Items kept in our remote warehouse or ordered from the supplier. We will advise you if it will take any longer than the typical 2-4 working days.

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