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

£ 23.69INC VAT

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

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

  • Fitting
  • Type AC Curve
  • Terminal Capacity 35mm²

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View all: British General RCDs & RCCBs

£23.69INC VAT

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British General 40A 30mA DP Type AC RCD is rated 4.7 out of 5 by 3.
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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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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

Do you have, in stock, a suitable containment unit for this item? IP56 would suffice.

I want to mount the device in house and use it to provide a supply to external garden sockets and lights.
Asked by: Chalkperson
Hi, thank you for your product enquiry. The British General 5-Module 3-Way Populated Garage Consumer Unit (1926G) comes with this very model of 40A 30mA RCD, plus a 32A MCB and 6A MCB included and is rated IP65.
Answered by: BG Technical Team
Date published: 2018-01-28

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
Amp Rating 40 A
Brand British General
Breaking Capacity 6 kA
CSU Device RCDs
Curve Type Type AC
Manufacturer Guarantee 1 Year Guarantee
Model No CUR4030-XD
No. of Phases Single-Phase
Number of Poles Double Pole
Number of Poles Double Pole
Pack Size 1
Pieces in Pack/Case 1
Power Voltage Supply 230 / 400 V
Product Type RCD