GDM1 series moulded case circuit breaker(hereinafter called MCCB) is a new generation of breaker. This MCCB is suitable for the circuit of AC 50Hz/60Hz with rated insulation voltage 1000V (800V for frame size of 125) and rated service current between 63A and 630A. It is mainly used to distribute electric energy and protect circuits and electric equipment against over-load, under-voltage, short-circuit and earthing fault.
Standard: IEC/EN 60947-2.
Technological characteristics
| Model | GDM1-63 | GDM1-125 | GDM1-250 | GDM1-400 | GDM1-630 | GDM1-800 |
| IEC60947-2 GB/T 14048.2 |
|
| Shell grade current | Inm(A) | | 63 | 125 | 250 | 400 | 630 | 800 |
| Operating frequency(Hz) | (Hz) | | 50 | 50 | 50 | 50 | 50 | 50 |
| Breaking type | | | L | M | L | M | L | M | L | M | L | M | L | M |
| Number of poles | | | 3P | 3P,4P | 2P,3P | 2P,3P,4P | 2P,3P | 2P,3P,4P | 3P | 3P,4P | 3P | 3P,4P | 3P,4P | 3P |
| Rated current | In(A) | | 10~63 | 16~125 | 100~250 | 225,250,315,350,400 | 400,500,630 | 630,700,800 |
| Rated insulation voltage | Ui(V) | | 500 | 800 | 800 | 800 | 800 | 690 |
| Rated impulse withstand voltage | Uimp(V) | | 8 | 8 | 8 | 8 | 8 | 8 |
| Rated working voltage | Ue(V) | | 400 | 230/400 | 230/400/690 | 230/400 | 230/400/630 | 400 | 400/690 | 400 | 400/690 | 400 |
| Flashover distance | (mm) | | ≯50 | ≯50 | ≯50 | ≯100 | ≯100 | ≯100 |
| Rated ultimate short-circuit sgementation capability | Icu(kA) | 400V | 25 | 50 | 35 | 50 | 35 | 50 | 50 | 65 | 50 | 65 | 50 | 65 |
| 690V | - | - | 20(3P) | - | 20(3P) | - | 20(3P) | - | 20(3P) | - |
| Rated running short-circuit segementation capability | Ics(kA) | 400V | 12.5 | 35 | 25 | 35 | 25 | 35 | 35 | 50 | 35 | 50 | 35 | 45 |
| 690V | - | - | 10(3P) | - | 10(3P) | - | 15(3P) | - | 15(3P) | - |
| Utilization category | A | A | A | A | A | A |
| Service life | Mechanical life(times) | Free maintenance | 20000 | 20000 | 20000 | 10000 | 10000 | 10000 |
| Maintenance | 40000 | 40000 | 40000 | 20000 | 20000 | 20000 |
| Mechanical life(times) | 8000 | 8000 | 8000 | 7500 | 7500 | 7500 |
| Outline dimension | | Width(W)(2P*/3P/4P) | 78 | 78,103 | 65,92 | 65,92,122 | 75,107 | 75,107,142 | 150 | 150,198 | 181 | 181,239 | 210,280 | 210 |
| | Length(L) | 135 | 150 | 165 | 258 | 270 | 280 |
| | Height(H) | 89 | 96 | 86 | 104 | 106 | 124 | 150 | 155 | 158 |
| Opitonal Accessories | | | | | | | |
| Alarm contact | 08 | O | O | O | O | O | O |
| Shunt release | 10 | O | O | O | O | O | O |
| Auxiliary contacts | 20 | O | O | O | O | O | O |
| Under-voltage tripper | 30 | O | O | O | O | O | O |
| Two groups of auxiliarycontact | 60 | O | O | O | O | O | O |
| Direct rotation handle | RH | O | O | O | O | O | O |
| Extended rotation handle | ERH | O | O | O | O | O | O |
| Hand-operated mechanism | SC1 | O | O | O | O | O | O |
| Electrical operation mechanism | MT | O | O | O | O | O | O |
| Mechanical interlocking | MIF | O | O | O | O | O | O |
| Wiring in front of the plate | | O | O | O | O | O | O |
| Plug-in back-panel wiring | | O | O | O | O | O | O |
| Plug-in front-panel wiring | | - | O | O | O | O | O |
| Draw-out type | | - | - | - | O | O | O |
Features:
1.high breaking capacity
2.beautiful appearance
3.light in weight
4.excellent and reliable function
5.In accordance with IEC60898, GB10963
6.Protection functions: overload, short circuit, unfrequent operation and isolation.
Other Hot-Selling Products
- Golden Electric Co.,Ltd ,was foundad in 2017, we are professional for make AC and DC electric items such as cable gland, isolator switch , fuse , breaker , distribution box , PV combiner box ,surge protector, Industrial plug and socket,Solar product and so on.
- Golden has been granted ISO9001 management system certifications. The comprehensive product line has more than 1000 models which have been approved by TUV,CE,CQC,SGS,ROHS,SASO. The productsells well to UK, Spain, Portugal, Singapore, Turkey, Russia, Korea, South Africa... more than 60 countries and regions.
- Golden is always striving hard to provide the best services and competitive price to all customers.
1)Q:How can i trust your company?
A:Golden electric is The top 10 manufacture in China - more than 350 Agents in local market and more than 100 foreign clients make OEM,ODM order from us,Golden electric is a big company, we have cooperation with LS, EKF the world-class companies. Our company over 100 employees, products pass CE,IEC,TUV,SAA, RCM, ROHS certificates.
2) Q:Your products?
A: Golden electric is factory for Circuit Breaker,Automatic transfer switch,Surge protector device,distribution box Enclosure, inverter, DC fuse etc. Providing customers very competitive sources, and can be your sourcing agent in China. Goods are following international standards, IE, CE, ISO9001 ,SGS etc.
3) Q: Do you have forwarder?
A: Yes, we have good forwarder cooperated over 10 years, they help us import and export . For small package orders, suggest to use by Express.
4) Q: Your address ?
A: Locates in Guangzhou province, China,welcome to visit us
5) Q:What's the Mini Circuit Breaker(MCB) guarantee?
A: 2 years warranty. If customer's problem, then customer burden. If our problem, then we send new goods to customer to replace asap.
6) Q:What's about MOQ? Delivery time ?
A: 1pcs for mini Circuit Breaker. Normally less than 100PCS with stock, quick support.
7) Q: What's the payment term?
A: Normally 100% T/T in advanced payment. If big order then about 50% advanced payment, balance before shipment.PAYPAL,WESTERN UNION,CASH for small order .
