Used But Good Condition. Crabtree Loadstar Range MCB. Early Style Series 2 Approx – Crabtree Loadstar MCB 20 Amp Single Pole Breaker Type B 20A . Product Description. Crabtree Loadstar 6HS16C C Type 16A Single Pole Mcb. 6HS16C is a 16A out going MCB for Crabtree Loadstar commerial/industrial. Product Description. Crabtree Loadstar 6HS16B B Type 16A Single Pole Mcb. 6HS16B is a 16A out going MCB for Crabtree Loadstar commerial/industrial.

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The circuit is just one twin and earth going directly from mcb to a twin 13a socket which has now been disconnected!

Crabtree Loadstar consumer unit. Changing mcb | Screwfix Community Forum

Perhaps the UV got to it? I mxb glad you corrected me on that issue! RCD trip due to there being a difference in the current going out through the live and the current returning through the Neutral. I was not thinking when writing thread sorry but thanks poadstar highlighting it!! Hi spinlondon thanks cable fully enclosed. BazzaApr 26, If it does not trip, the fault is with the wiring.

Rcd still tripped immediately whenever mcb was switched on. I will now get an expert in and see what can be found. Else, yes, just drop the busbar, lift out the mcb, drop new one in and refit busbar.

May I thank you all for you contributions to crabtrde query.

Thought it was the pump. No, create an account now.

It should be possible to lift it off the busbar without undoing all of the mcbs to drop it. Maybe the Mcv has another circuit connected to it. Disconnected both sockets from junction box. Crabtree Loadstar consumer unit. To do this you would also need to remove the neutral of the suspect circuit.


The circuit in question needs meggering, doesn’t sound like an mcb problem to me.

Crabtree Loadstar 6HS16B B Type 16A Single Pole Mcb

Does not see daylight! Share This Page Tweet. You must log in or sign up to reply here. OP have you tried to remove the breaker? Symptoms are this Peter p There is a dedicated mcb for the garden The circuit was installed lloadstar new some 5 years ago. Yes I think I was barking up the wrong tree with my mcb hard fault!

Switch the circuit off, and inspect all the termination points at the different accessory positions. Again thank you all for your help.

Crabtree Loadstar Single Pole Type B 6A MCB | Industrial Switch Gear | Mylights

Alun Tom likes this. You should find water problems in at least one of them. I now need to replace a suspect mcb Looking at the photographs of the cu can you tell me if I need to undo the bottom screw of every mcb in that sector to take off the copper neutral bus bar before I can take out the suspect mcb by pulling down the back release ring on the mcb etc.

Looks more like a Starbreaker db to me. Switched off mcb for garden and switch on rcd all ok until mcb switched back on again! Placed a light attachment to one of the sockets and all was well for some 5 or so hours. RCDs will also trip if too much current returns via the Neutral, something associated with shared neutrals.

Agree it won’t is highly unlikely! The screw is already loose. Log in or Sign up. Yes odd I know! It probably easier if you take the bus bar out but when you put it back make sure none of the clamps miss the prong and just tighten up on themselves.

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It is a Loadstar. Alun TomApr 26, Your name or email address: Yes, my password is: For the MCB to be the cause, there would have to be a path for the lost current to take.

Crabtree Loadstar consumer unit. Changing mcb

The mcb will not move Clip pulled down but no movement on this mcb or on other individual mcb if trying individually to remove even with bus bar screw released. Do you already have an account?

The ends of the supply wire temporarily terminated by a choc box connector At present still tripping in that state but yesterday when reconnected to the socket worked for approximately 6 hours without tripping anything then mid evening As other poster said that aint the neutral bar it is the LIVE busbar.

You would spend more lucrative time just visually inspecting all your garden stuff. And don’t forget that just switching off the MCB does not fully isolate the circuit. New cable through house to a junction box situated under cover in dry position supplying two power points to ip67 on house wall One power point supplying small pump Last week rcd tripped.

I have a Crabtree Loadstar cu that was installed some five years ago. There is no issue re moisture as this is all in the dry As mcb Has crabtfee seen this typ3 of thing before? Alun TomApr 25, Unusual for an MCB to fail, are you sure its not overloaded.