Audited Supplier
STB1-63 miniature circuit breaker 6A/10A/16A/20A/25A/32A/40A/50A/63A
General
STB1-63 high breaking miniature circuit breaker has the features of structure advanced, performance reliable, breaking capacity high, appearance elegant and its shell and parts are made of material with impact resistance, strong flame-retardant feature.
It is suitable to power system of 50or 60 frequency ,Ue 400V and below, Ui 63A and below.
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.
Technical Parameters:
| 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, | 4.5 /6 | 0.65~0.70 |
| 230/400 | 1,2 | 25,32, | 4.5/6 | |
| 400 | 2,3,4 | 40 | 4.5/6 | |
| 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 |
| Model | STB1-63 MCB |
| Pole | 1P,2P,3P,4P |
| Type | AC (110/230/400V) |
| Rated Current(In) | 1,2,4,6,10,16,20,25,32,40,50,63A |
| Rated Frequency | 50/60HZ |
| Breaking Capacity | 3KA,4.5KA, 6KA |
| Tripping curve | B,C,D |
| Magnetic releases | B curve: between 3and 5 In |
| C curve: between 5and 10In | |
| D curve: between 10 and 14In | |
| Electro-mechanical endurance | over 6000 cycles |
Our Services:
- Competitive price
- Continuance Service and support
- Good-after service
- Quality Reliability and Long Product Life.
Q 1. what's the payment term?
A. We accept TT,30% deposit and 70% balance agaisnt copy of BL
Q 2. how's the delivery time ?
A. usually it will take about 25 days for production
Q 3. tell me the standard of package?
A. Normally are cartons, but also we can pack it according to your requirement.
Q 4.Would you accept to use our logo ?
A.If you have good quantity,it absolute no problem to do OEM.
Q5. Can i take some samples?
A: Yes, we support to take samples before place the order. Just feel free to contact with us if you have any requirements.
Q6. Are you original Factory?
A: Yes, we have our own factory .
Q7. How can you make sure the quality of the products?
A: We will accord to international quality standards to inspect every item before leaving our factory.
