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NS TYPE MCCB
molded case circuit breaker
Application:
NS type MCCB series moulded case circuit breaker , it's applicable circuit of AC 50Hz(or 60Hz),ratedinsulation voltage 690V(OM3-125 500V),rated operating voltage AC 690V or below ,rated oper-ating current 12.5-1600A, for distribute energy of electric and infrequent making and breakingcircuit in normal condition. The circuit-breakers are provided with the function of the protectionagainst overload and short circuit and under-voltage. The circuit breakers comply with standardof IEC60947-2.The circuit-breakers are double insulating (Inm=250A or above), the controlcircuit of the accessories is set apart with the main circuit , and doesn't need to open the coverof the circuit-breaker when install the accessories .
Product performance:
Breaking capacity | B | N | S | H | X | |
Rated current of frame size Inm | 100 |
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Rated current In | 12.5,16,20,25, (30),32,40,50,(60),63,80,100,125,(150),160 | 12.5,16,20,25,32,40, 50,63,80,100,(125) | ||||
Rated insulation voltage Ui | 690V | |||||
Rated operating voltage Ue | 400V | |||||
Number of poles | 3 | |||||
Icu 400V/50HZ 0-CO KA Rated ultimate short-circuit breaking capacity | 20 | 35 | 50 | 50 | 70 | |
Ics 400V/50HZ O-CO-COKARated service short-circuit breaking capacity | 10 | 17.5 | 37.5 | 37.5 | 52.5 | |
Icm 400V/50HZ 0-CO KA Rated short-circuit making capacity | 40/0.3 | 74/0.25 | 105/0.25 | 105/0.25 | 154 | |
Uimp V Rated impulse withstand voltage | 8000 | |||||
Dielectric property V | 3000 | |||||
Endurance | Total cycles | 8000 | ||||
Electrical endurance | 1000 | |||||
Mechanical endurance | 7000 | |||||
Ionization distance (mm) | ≤30/0 | |||||
Over current trip unit |
Thermal magnetic release |
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Intelligent trip unit |
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Utilization category |
Main circuit | A
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Auxiliary circuit | AC-15 | |||||
Outline dimensions | W(mm) | 90 90 | ||||
L(mm) | 120 120 | |||||
H(mm) | 70 82 | |||||
Express delivery:

Sample:
1.Free charge sample: Could provide,freight collect.
2.Samples time: Need 3-15 days to preparing the samples after receiving the payment.
3.Samples payment term: T/T.
Quality Guarantee:
Strictly quality control before leave factory.
Advantage:
1.Low MOQ: 50~100PCS.
2.New design Accepted: As your requirement.
3.Good Service: Customer as.
4.Good Quality: Strict quality control and good reputation.
5.Fast & Cheap Delivery: Big discount from express agent (Long-term Contract).
Order Guide:
1.Inquiry-Professional quotation. |
2.Confirm the price, lead time, packing requirement, payment term etc. |
3.sales send the Proforma Invoice with seal. |
4.Customer make the payment and send us Bank receipt. |
5.Will inform client that we have got the payment, arrange the production & inform the estimated time. |
6.After delivery will inform the tracking number and check the status for clients. |
7.Feedback to TALL about Quality , Service, Market Feedback & Suggestion. And we can do better . |
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