Best price High quality mccb thermal Magnetic Moulded Case circuit breaker Overload Protection ON OFF Switch 400A
Product features
over load protection,short circuit protection, under voltage protection
Application
SMGM1 series of moulded case circuit breakers are applied to frequently changeove the circuit of rated insulation voltage of 800V (SMGM1-63 is 500V). AC 50Hz, rated voltage 690V or below (SMGM1-63 is 400V). rated operating current 800A, or start the motor not frequently (SMGM1-800 without motor protection). The bredkers provided with overload short-circuit and under-voltage protection function to protect the lines and power equipment from damage.
The product can be mounted vertically or horizontally.
The main technical parameters
| Model | SMGM1-63 | SMGM1-125 | SMGM1-250 | SMGM1-400 | SMGM1-630 | SMGM1-800 | |||||||||||
| Frame current Inm(A) | 63 | 125 | 250 | 400 | 630 | 800 | |||||||||||
| Rated voltage In(A) | (6),10,16, | (10),16,20,25, | 125,140, | 250,315, | 400,500,630 | 630,700,800 | |||||||||||
| 20,25,32, | 32,40,50,63, | 160,180,200 | 350,400 | ||||||||||||||
| 40,50,63 | 80,125 | 225,250 | |||||||||||||||
| Number of poles | 3 | 4 | 2 | 3 | 4 | 2 | 3 | 4 | 2 | 3 | 4 | 2 | 3 | 4 | 3 | 4 | |
| Rated insulation voltage Ui(V) | AC500 | AC800 | |||||||||||||||
| Rated working voltage Ue(V) | AC400 | AC400,AC690 | |||||||||||||||
| Rated impulse withstand | 6000 | 8000 | |||||||||||||||
| voltage Uimp(V) | |||||||||||||||||
| Arcing distance(mm) | 50 | 100 | |||||||||||||||
| Breaking capability grade | L | M | L | M | H | L | M | H | L | M | H | L | M | H | M | H | |
| Limit short-circuit breaking capability Icu (kA) | AC400V | 25 | 50 | 35 | 50 | 85 | 35 | 50 | 85 | 50 | 65 | 100 | 50 | 65 | 100 | 75 | 100 |
| Running short-circuit breaking capability Ics (kA) | AC400V | 18 | 35 | 22 | 35 | 50 | 22 | 35 | 50 | 35 | 42 | 65 | 35 | 42 | 65 | 50 | 65 |
| Operation | ON | 6000 | 3000 | 2000 | 1500 | 1000 | |||||||||||
| characteristics(times) | OFF | 8500 | 7000 | 4000 | 4000 | 2500 | |||||||||||
| Total | 14500 | 10000 | 6000 | 5500 | 3500 | ||||||||||||
FAQ
Q: How and how long can I get a sample to check your quality? can I expect to get the sample?
A: After price confirmation, you can require for samples to check our quality. Then after you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-5 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.
Q: Can you do the design for us?
A: Yes. Send us high resolution images, your Logo and text and tell us how you would like to arrange them, We will send you finished files for confirmation.
Q: What about the lead time for mass production?
A: Honestly, it depends on the order quantity and the season you place the order. The best record we keep is delivering 100,000 mcb within a week. Generally speaking, We suggest that you start inquiry two months before the date you would like to get the products at your country.
Q: What kind of material we use?
A: Fire-resistance plastic, red copper, 85%silver contact.
Q: Do you have inspection procedures for circuit breakers?
A: 100% self-inspection before packing
Q: Can I have a visit to your factory before the order?
A: Welcome! Our factory address: NO.368 WEST CHUANGXIN STREET, WENGYANG, YUEQING, ZHEJIANG, CHINA
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