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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You should find water problems in at least one of them.

I am glad you corrected me on that issue! Thanks peter but no.

Crabtree Loadstar Single Pole Type B 6A MCB

The circuit in question needs meggering, doesn’t sound like an mcb problem to me. Crabtree Loadstar consumer unit. Switched off mcb for garden and switch on mbc all ok until mcb switched back on again! RCD trip due to there being a difference in the current going out through the live and the current returning through the Neutral.

Switch the circuit off, and inspect all the termination points at the different accessory positions. May I thank you all for you contributions to my query.


I will now get an expert in and see what can be found.

Crab 6HS40C MCB SP Type C 40A 10kA

Again thank you all for your help. This is after I toggled mcb switch a dozen times! The screw is already loose. Maybe the MCB has another circuit connected to it.

Yes I think I was barking up the wrong tree with my mcb hard fault! BazzaApr 26, For the MCB to be the cause, there would have to be a path for the lost current to take. OP have you tried to remove the breaker? Your name or email address: 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.

Not likely to be mcb at fault. Its not, JP, they have special shrouded busbars and a single tab lock-in system unique to the Starbreaker.

Agree it won’t is highly unlikely!

Placed a light attachment to one of the loaxstar and all was well for some 5 or so hours. 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.


Crabtree Loadstar 6HS16B B Type 16A Single Pole Mcb – Your Electrics | Electrical Supplies

Today checked again and this time mcb did not trip rcd when switched back on. Usually caused by some or all the current leaking to Earth due to a short on either the live or Neutral conductors. I am still intrigued as to why it is knocking off the RCB as absolutely nothing has touched the cable and the run from the cu to the the adjoining shed is all indoors.

Symptoms are this Peter p There is a dedicated mcb for the garden The circuit was installed from new some 5 years ago.

Alun TomApr 26, As other poster said that aint the neutral bar it loadsatr the LIVE busbar. Yes odd I know! TBH I think you are better getting someone in for this. Rcd still tripped immediately whenever mcb was switched on.

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