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| Categories | MCB Circuit Breaker |
|---|---|
| Brand Name: | SONTUOEC ,WZSTEC |
| Model Number: | STM9-63 |
| Certification: | CE |
| Place of Origin: | Wenzhou, China |
| MOQ: | 24000PCS |
| Price: | Negotiable |
| Supply Ability: | 10000PCS/DAY |
| Delivery Time: | 25DAYS |
| Packaging Details: | 240PCS/CTN |
| Pole: | 1P,2P,3P,4P |
| In: | 1,2,4,6,10,16,20,25,32,40,50,63A |
| Standard: | IEC60898-1 |
| price: | competitive |
| breaking capacity: | 6KA |
| texture: | plastic PA66 |
STM9-63 series high breaking capacity mini circuit breaker is used in AC50/60Hz, rated voltage of 230V
3, 4 poles 400V, rated current to 63A for overload and short-circuit protection as well as for unfrequented switching under normal case.It is used extensively for industry, commercial and household.This product conform to IEC60898 standard.
It is mainly applied at office building, residence, for lighting , power distribution and overload and short circuit protection of equipment. Normally, it also can be used as the not frequent transfer of power system. It conforms to the standards IEC60898and GB10963.1.
Rated voltage (V) | Poles | Rated current (A) | Rated short circuit breaking capacity | |
| Test breaking capacity(KA) | Power factor | |||
| 230 | 1,2 | 6,10,16,20, 25,32, 40 | 6 | 0.65~0.70 |
| 230/400 | 1,2 | 6 | ||
| 400 | 2,3,4 | 6 | ||
| 230 | 1,2 | 50,63 | 4.5 ,6 | 0.75~0.80 |
| 230/400 | 1,2 | 4.5, 6 | ||
| 400 | 2,3,4 | 4.5, 6 | ||
Remark:
1)mechanical life:20,000 times(off-on)
2)heat resistance: category 2 (temperature 55°C,relative humidity 95%).
3)wiring is terminal with clamp, cable dia.:25mm2
CURRENT RELEASE CHARACTER DIAGRAM
| Test current(A) | Rated current(A) | Requested time | Result | Start station | Remark |
| 1.13In | all | t>=1h | Don’t trip | Cool | |
| 1.45In | All | T<1h | trip | heat | Current ascends the requested value stably in 5s |
| 2.55In | In<=32A | 1s<t<60s | trip | Cool | Auxiliary switch closed, power is on |
| 2.55In | In>32A | 1s<t<120s | trip | Cool | Auxiliary switch closed, power is on |
| 5In(Cmode) | All | t>=0.1s | Don’t trip | Cool | Auxiliary switch closed, power is on |
| 10In(Cmode) | All | T<0.1s | trip | Cool | Auxiliary switch closed, power is on |
| 10(Dmode) | All | t>=0.1s | Don’t trip | Cool | Auxiliary switch closed, power is on |
| 14In(Dmode) | All | T<0.1s | trip | Cool | Auxiliary switch closed, power is on |
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