British General Fortress 40A 30mA DP Type AC RCD (52457)

£ 24.49INC VAT

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British General Fortress 40A 30mA DP Type AC RCD (52457)

Type AC. Double pole RCD. Terminal capacity 35mm².

  • DIN Rail Mounted Fitting
  • Type AC Curve
  • Terminal Capacity 35mm²

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Rated 4 out of 5 by from Good solid unit Build quality is good but check left or right hand 'L' / 'N' terminal orientation, not all manufactures are the same.
Date published: 2019-12-18
Rated 5 out of 5 by from Fine I have bought this for taking out to Menorca so will put it to good use.
Date published: 2018-02-20
Rated 5 out of 5 by from Perfect Exactly right to protect the supply to my summerhouse
Date published: 2015-06-27
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Does the supply go into the top connections 1 & N or bottom 2 & N.

British General 40A 30MA DP TYPE AC RCD.
Asked by: Doigs
Hi Doigs, All of our Circuit Protection range RCDs are polarised for power IN at the top (1 & N) and OUT at the bottom (2 & N)).
Answered by: Nexus Technical Team
Date published: 2021-06-07

What RCD for10.5 shower electric

Asked by: Lotto
Hi Lotto, 10.5kW requires 43.75A at 240V, so you would need to go up to at least our 63A rated model (ScrewFix catalogue code 56472).
Answered by: BG Technical Team
Date published: 2020-03-04

can this be used as a standalone device for a shower pump?

Asked by: stdeight
Hi stdeight, As long as your shower is running at less than 9.6kW (9600W) then this would be a suitable load for the device. If your shower is over this consumption then you would need to up-rate the device to our 63A version.
Answered by: Nexus Technical Team
Date published: 2019-11-13

Dimensions

Hi, can you tell me if the 40A & the 63A have the same phisical dimensions? Thanks Martin
Asked by: MDdd
Hi, thank you for your product enquiry. Yes, all BG RCDs are a standard set of dimensions, the same as the Main Switch in all but height (out of the consumer unit front).
Answered by: Nexus Technical Team
Date published: 2019-05-11

is this item also a 40A mcb (fuse) or do I need to fit a separate 40A mcb between this and the shower

Asked by: USEDNICKNAME
Hi, thank you for your product enquiry. This is an RCD only, so you would need a separate MCB to complete the protection. One thing to check before you go ahead is the power level of the shower, as a 40A device is good for 9,600W maximum (9.6kW) so if your shower is more powerful you would need a higher rated pair of devices.
Answered by: Nexus Technical Team
Date published: 2020-04-11
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Specification
Brand British General
Breaking Capacity (Inc) 6 kA
CSU Device RCDs
Curve Type Type AC
Earth Leakage Sensitivity (IDn) 30 mA
Incomer Fitting Type DIN Rail Mounted
Manufacturer Guarantee 1 Year Guarantee
Model Name Fortress
Model No CUR4030-XD
No. of Phases Single-Phase
Number of Poles Double Pole
Pack Size 1
Pieces in Pack/Case 1
Product Type RCD
Rated Impulse Withstand Voltage (Uimp) 4 kV
Rated Operational Current (In) 40 A
Rated Operational Voltage (Ue) 230 V AC
Suitable Cable Size 35 mm²