Product Description
STBO series high breaking capacity mini circuit breaker is used in AC50/60Hz,1p,2p single phase rated voltage of 230V
3, 4 poles 400V three phase voltage , 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 IEC60898.1 standard.
Model |
STBO MCB |
Pole |
1P,2P,3P,4P |
Rated Current(In) |
1,2,4,6,10,16,20,25,32,40,50,63A |
Rated Voltage(Un) |
AC230(240)/400(415)V |
Rated Frequency |
50/60HZ
|
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.

FAQ
Q1. How does your factory do regarding quality control?
A. All the products will be 100% checked before the shipment.
Q2. Are you a manufacturer or trading company?
A. We are a manufacturer with over 20 years' experience, and we can guarantee our price is first-hand, very cheap and competitive.
Q3. Which payment terms is available?
A. We accept TT, 30% deposit and 70% balance agaisnt copy of BL.
Q4. How's the delivery time ?
A. Usually it will take about 25 days for production.
Q5. Tell me the standard of package?
A. Normally are cartons, but also we can pack it according to your requirement.
Q6. Could I put my logo on it?
A. If you have good quantity, it absolutely no problem to do OEM.
Q7. Do you provide samples? Is it free or extra?Do you provide samples ? is it free or extra ?
A. Yes, we could offer the samples for free charge, but the express charge need to be paid by the buyers.
Q8. What is your terms of payment?
A. We accept TT, 30% deposit and 70% balance agaisnt copy of BL.
Q9. What is your warranty policy?
A. 18 months.
Q10. Do you have a catalogue? Can you send me the catalogue to have a check of all your products?
A. Yes, we have product catalogue. Please contact us online or send an Email to send the catalogue.