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Type: Posts; User: zog

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  1. Replies
    14$$
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    1,079

    Well they never co-existed. FPE sold the whole...

    Well they never co-existed. FPE sold the whole (USA) stab lok product line to ACBC in 1988
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    14$$
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    1,079

    The UL listing and issue number are on the label....

    The UL listing and issue number are on the label. Should also get info in the box with more details.
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    3$$
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    285

    IEEE has defined five different voltage classes...

    IEEE has defined five different voltage classes for power distribution equipment.

    Low 600V or less
    Medium 601-69KV
    High 70-230KV
    Extra High 230-800KV
    Ultra High >800KV
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    30$$
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    2,865

    Get Some Now

    Get Some Now
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    30$$
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    2,865

    Ha, I was going to post the same thing. We just...

    Ha, I was going to post the same thing. We just talked about this at work the other day, I asked my fresh out of the Navy guy about the one I was taught and he laughed and said no way would that fly...
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    7$$
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    366

    Certified contractor or thermographer? Plenty of...

    Certified contractor or thermographer? Plenty of contractors out there with IR guns with no idea how to use them. A single temp doesn't tell you much, it is your delta T's that matter.
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    7$$
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    366

    Well there will be some heating, how much are we...

    Well there will be some heating, how much are we talking about? Was the IR scanning done by a certified thermographer?
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    41$$
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    2,213

    Easy to make claims against a company no longer...

    Easy to make claims against a company no longer in business (And that no longer has lawyers lol)
  9. Replies
    11$$
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    704

    Agree, but the question was specifically asked...

    Agree, but the question was specifically asked about power CB's, not molded case
  10. Replies
    11$$
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    704

    Mains typically will not have INST trips since it...

    Mains typically will not have INST trips since it is impossible to coordinate
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    1$$
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    1,281

    Nope, not unless it is labeled as Arc Resistant...

    Nope, not unless it is labeled as Arc Resistant per ANSI C37.20.7
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    4$$
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    1,478

    Try these, depends on the gear For low-voltage...

    Try these, depends on the gear
    For low-voltage PSG:
    •UL 891-2005: Switchboards for dead-front switchboards
    •UL 1558-2016: Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear...
  13. Replies
    41$$
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    2,213

    This is the only official notification on the...

    This is the only official notification on the matter, there was never a recall issued in the USA ...
  14. Thread: 480V switchgear

    by zog
    Replies
    5$$
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    558

    Required? No. But do you want a single ground...

    Required? No. But do you want a single ground fault to take out that entire line up?
  15. Replies
    7$$
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    529

    Correct, it's the only safe way to do it. Keep in...

    Correct, it's the only safe way to do it. Keep in mind the gap in a VI is about 1/8" when the breaker is open, you want your life depending on a 1/8" gap. What if the VI loses vacuum? Do you know...
  16. Thread: federal pacific

    by zog
    Replies
    5$$
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    705

    As far as I know they all were besides a couple...

    As far as I know they all were besides a couple year period in the 80's??? Any of the American Circuit breaker ones should be UL listed. UBI ones should be listed as well.
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    10$$
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    604

    Should have temperature corrected values since...

    Should have temperature corrected values since that is what really matters as your final result.
  18. Replies
    10$$
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    604

    DAR and PI ratios, PI is usually only done on...

    DAR and PI ratios, PI is usually only done on transformers and motors.
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    23$$
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    1,511

    It's not a breaker repair , it's a trip unit...

    It's not a breaker repair , it's a trip unit repair, or you can replace the trip unit with a new one. A new replacement for that breaker (PJA) should be around $5k (19k is insane)
  20. Replies
    23$$
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    1,511

    Nope, I'm sure it is the trip unit, a simple...

    Nope, I'm sure it is the trip unit, a simple secondary injection test will verify that.
  21. Replies
    23$$
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    1,511

    That should have a Micrologic series B trip unit...

    That should have a Micrologic series B trip unit which is very prone to failure , usually from internal corrosion, I have a high success rate in repairing those trip units, usually runs around $750....
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    13$$
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    683

    This is a MCCB not an ACB

    This is a MCCB not an ACB
  23. Replies
    13$$
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    683

    The F in the JD3250F stands for Frame, so the...

    The F in the JD3250F stands for Frame, so the breaker itself can have up to a 250A rating. This breaker has a trip unit that will have it's own ratings which determines the trip settings, the dials...
  24. Replies
    25$$
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    6,739

    Yes, page 108 ...

    Yes, page 108

    https://www.cbsarcsafe.com/wp-content/uploads/2017/05/ArcSafe_ProdCat_2015_lores.pdf
  25. Keep in mind that the trip setting is not where...

    Keep in mind that the trip setting is not where the breaker is going to trip, it is going to be the pickup point where the trip device begins to time out before it trips. If set at 175A it will take...
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