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mccb

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  1. Dean Williams

    What make is this MCCB??

    Hi im testing a community centre which contains an old 4 way section board. The MCCBs have handles on them and the word 'reset' in different languages. Its approx 35 years old. Anyone know what make it is, there's no writing on it inside or out. sorry photo is wrong way round Thanks
  2. Dean Williams

    Terasaki MCCB

    Hi does anyone have a list of Terasaki MCCB max ZS. In particular im looking for the max Zs for a type TO-100BA, 40A, 3-pole. ive looked at the terasaki site but it doesnt show the measurements for these. they are from circa 1984. thanks
  3. C

    Wanted large quantities of used MCB, MCCB and ACB

    If anyone has any items they stripped out and would like to sell please contact me. Only large quantities considered. Any make as long as in good condition
  4. S

    Hyundai MCCB

    Hi All, I came across this make of breaker and was wondering if anyone has used? I am swapping out old proteus and was thinking of using these instead.
  5. B

    Hager mccb probs

    Hager 100A MCCB new type (brand new) is tripping when attempting to switch on - new installation. Circuit is feeding a SWA to a DB - No Load on DB and cables of SWA meggering out ok . Thinking the MCCB may be faulty - anyone had probs with these?
  6. G

    MCCB and 24v em lighting

    Hi 2 questions really, im doing a periodic on an old residential home, one of the mccb,s (an old dorman smith single phase 32a) has a small dial bit with 100%/70% on it. what is this? also i have a em lighting supply leaving the db going to an isolator then on to a big battery(more like 2 LARGE...
  7. D

    Proteus MCCB

    Does anyone know of a suitable alternative to a Proteus MCCB, as they seem to be difficult to get hold off, and alot more expensive then a different make, I'm after a 63amp if anyone has got any ideas.
  8. T

    High Zs on 800A MCCB

    High looking for a bit of advice might be picking this up incorrect. A main supply panel board with an 800a and 400a mccb feeding a factory an office block respectively. Tested Ze 0.07 ohms Production Building Zs 0.04 ohms Office Block Zs 0.07 ohms Length of runs from panel board to both...
  9. A

    Merlin / Schneider MCCB 63A

    I have for sale 1x 63A Merlin Gerin MCCB with new base for L2 / yellow phase Part number MGP0631Y Pics to follow. Cheers
  10. D

    mccb tripping

    horticultral lighting circuit - 14 x t/p 16A mcb's each mcb has 6 x 600w 400v son lights, fed from a contactor which is fed by a 160A merlin gerin mccb. across the contactor measures L1 - 130A L2 - 133A L3 - 132A but after 6hrs the 160A trips. any ideas ? there is another 2 identical systems...
  11. B

    MEMSHIELD D200 MCCB Panelboard and main switch FOR SALE

    Hi, I have a MEMSHIELD D200 MCCB Panelboard and main switch which is surplus to requirements. I have been advised by Eaton/MEM that the unit is now obsolete, aswell as the breakers etc. 2 x MFL203 20A 3 x MFL631 63A 1 x MFL201 20A 1 x MFL401 40A 1 x MFL161 16A 1 x MFL323 32A 1 x MFL633 63A 1 x...
  12. S

    MCCB Max Zs

    Hi all , Simple question for you all, current job has MCCB panelboards fitted with adjustable trips which allow the tripping characteristics to be altered to 40% of maxim full load current. Manafacturers data sheet has max Zs values , but only for the origanal current rating of the unit ie 400A...
  13. D

    mccb max Zs ??

    Anyone know of or where to find Max permitted Zs for mccb`s (60947-2) please?
  14. B

    MCCB vs HRC overcurrent protection

    Have been looking at a situation where a 400 amp MCCB is feeding a ups. There is a mains supply to a genny changeover switch, along with the genny supply, and the MCCB is between the genny switch and the UPS. Yes its a big bu##er. Any ways there was a momentary power fluctuation which threw...
  15. G

    ABB MCCB rsting

    Hi peeps, I need to out what rating an MCCB is, but cannot seem to find the relevant info on it. It is an ABB sace, which can be cranked down, and has 5 settings on it. Any advice please will be much appreciated.
  16. C

    Wylex 63a 3 phase MCCB

    Wylex are ruddy closed now and we need one soon.... Any ideas out there? NHGPCB633 is the number I think...
  17. B

    new 125a mccb in existing panel

    Anybody like to take a guess on how much I've been quoted to install a new 125a mccb to an existing panel board (spare cubicle available- work carried out 12am - 6am )
  18. J

    mccb lay out

    hi all after my thread yesterday i asked my boss how a hw would wire the 50KW motor. the said a 125A mccb?? now if there is 1x 3 phase supply into a building, each pahse has 100A per phase and is then connected into a 3phase board. does he mean the mccb will replace 1 of the mcbs in...
  19. B

    merlin gerin mccb hadles

    Has anybody any idea of where we could locate switch handles for C250H and C125H switch handles Cat no. 41310 / 42882
  20. D

    mccb for ac and dc?

    i need to find the part number of any incoming mccb that works with ac and dc, as i have a job in amsterdam to do. they insist that the protection is suitable for ac and for dc. ie it has the standard signwave along with a dotted or flat line in the little box. I usually work with hager boards...

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