SM1 series MCCB Moulded Case Circuit Breaker, which is the one kind of new type circuit breakers researched and developed by our company adopting advanced design and manufacturing technology. This circuit breaker of rated in insulation voltage 660V is suitable for infrequently switching circuit of AC50Hz,rated operating voltage 380V or below, rated operating current up to 800A and starting motor infrequently . Furthermore, the circuit breakers has overload, short-circuit and under voltage protection equipments that can prevent circuit and power device being damaged. The circuit breaker conforms to IEC947-2,GB14048.
Rated current A
Rated insulation voltage
Arcing over distance
Ultimate short circuit breaking capacity
Service short circuit breaking capacity
1500 / 8500
1000 / 7000
1000 / 4000
It is sorted into three-pole and four-poles according to product pole number. The type for neutral pole of four-pole products is sorted into four kinds:
Type A:N pole can't be installed with over current tripping element , and it always switch on, can't switch on and switch off together with other three poles.
Type B:N pole can't be installed with over current tripping element, it can switch on and switch off together with other there poles.
Type C:N pole can be installed with over current tripping element, and it also can switch on and switch off together with other three poles.
Type D: N pole is installed with over current tripping element, and it always switch on, can't switch off together with other poles.
a. Altitude: 2000m or below b. Ambient medium temperature:-5°C~ +40°C( +45°Cfor marine products) c. Resist the effect of moist air. d. Resist the effect of mold. e. Max inclination: 22.50 f. Placed in the no explosive medium, which can't contain any gas and conductive dust that can erode metal and destroy the insulation. g. Keep it where can prevent rain and snow.
XinChi Electric Group Co., Ltd is a group company,There are four branch companies subordinate to it. Registered trademark is "suntree".
Main Products: AC&DC Circuit breaker, Solar system parts,SISO-40 Solar Inverter/Cable
,Connector,Contactors, MCCB, ATS auto transfer switch, DC Combiner Box, Waterproof distribution box,etc.
Quality &Standards:Products are producted per ISO9001:2008, IEC60947, IEC60898,CB, SAA, TUV,CE,SONCAP,ROHS, Nemko, PCT,CCC etc
Main markets:Australia,New Zealand,&other worldwide markets
Q: How can i trust you and your company ?
A: Suntree is a group company, we have 6 subcompanies. Have cooperation with LS, EKF the world-class companies. Our company over 500 employees, products pass CE,IEC,TUV,SAA, RCM, ROHS certificates.
Q:How long is your products warranty ?
A: The warranty period of our products is 2 Years.
Q:How about inspection?
A: We have the whole inspection system from raw material to end products include Transient test, delay test,mechanical life test and so on.
Q:What is the service offered by company?
A: We have the professional enginer team which can design and develop the mold to arrive different customer requirement.
We also have the sales team to offer good service from pre-sale to after-sale.