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Xinchi Electric Co., Ltd.

MCCB Circuit Breaker, MCCB, Solar MCCB manufacturer / supplier in China, offering Sm1-1250A MCCB Circuit Breaker Cm1-1250A, Suntree Hot Sale Solar Inverter 10000 Watts for Solar System, 4p 1200V PV Solar System DC Isolator Switch and so on.

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Sm1-1250A MCCB Circuit Breaker Cm1-1250A

FOB Price: US $30 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $30/ Piece
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Production Capacity: 1000PCS/Week
Transport Package: Standard Packing
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: SM1-1250A
  • Operation: Electric Type
  • Arc-extinguishing Medium: DC Circuit Breaker
  • Structure: Moulded Case Circuit Breaker
  • Type: Circuit Breaker
  • Certification: CE, CCC
  • Price: Specific Discussion
  • Pole: 4p 3p
  • Delivery Details: Accordingto The Order Quantity That Buyer Order
  • Guarantee Time: 2years
  • Trademark: suntree
  • Origin: China Zhejiang
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Conventional Circuit Breaker
  • Relative Humidity: Less Than 90%
  • Payment: T/T, Western Union, L/C
  • Color: White
  • Packag: Standard Packing
  • OEM Brand Name: Your Brand Name Is Accept
  • Specification: SM1-PV
  • HS Code: 8536200000
Product Description
SM1-1250A mccb circuit breaker CM1-1250A


SM1 series moulded case circuit breaker is one of products developed and manufactured by adopting international advanced technology. It is supplied with rated insulating voltage 550 and 800V and used for circuit of AC 50/60Hz, rated operating voltage AC 400V (or below), rated operating current up to 1600A for infrequent changing over and starting of the motors.The products conforms to IEC60947-2 standard.



Specification


Type
Rated
current (A)
Polenum-berRatedinsui-atingvolt-age(V)Rated
operat-ingvolt-age(V)
Arcing-
over
distance
(mm)
Ultimate
short
circuit
breaking
capacity
(KA)
Servies
short
circuit
breaking
capacity
(KA)
Operation
perform-
ance
Utiliza-tioncat-egory
LoadUnload
SM1-63L(6),10
16,20
25 ,32
40,50
63
3, 4500V400V0251815008500A
SM1-63M05035
SM1-100L(10),16
20,25
32,40
50,63
80,100
800V0(≤50)3522
SM1-100M0(≤50)5035
SM1-100H0(≤50)855010007000
SM1-225L100,125
160,180
200,225
≤503522
SM1-225M≤505035
SM1-225H≤50855010004000
SM1-400L225,250
315,350
400
≤505035
SM1-400M≤1006542
SM1-630L400,500
630
≤1005035
SM1-630M≤1006542
SM1-630H≤10010065
SM1-800M630,700
800
3≤1007550
SM1-800H≤10010065
SM1-1250M1000,1250≤10010065
SM1-1250H≤10012575
SM1-1600M1600≤10015080


Note: 6A without thermal protection
The N-pole of four-poles breaker is sited at the right side of the product has four types:
Type A: Without current trip-lease on N pole which making all the time, not closing and opening with the other three poles.
Type B: Without current trip-release on N pole which closing and opening with the other poles.
Type C: With current trip-release which closing and opening with the other three poles.
Type D: With current trip-release which making all the time not closing and opening with the other three poles.


Protection Characteristic


The thermodynamic release of a circuit breaker provides the feature of inverse time-delay, while the magnetic release is the instantaneous operation as shown on table 2(distribution circuit breaker) and table 3 (motor protection circuit breaker).


Rated current of release (A)
Thermodynamic release( ambient temperature ) land +40°C marine +45°COperating current of magnetic release (A)
1.05In(cold state) Inoperative time(h)1.30In(heat state) Operative time(h)
10≤In≤63≥ 1< 110In±20%
63<In≤100≥ 2< 2
100≤In≤800≥ 2< 25In±20% 10In±20%


Rated current
Thermodynamic release ( ambient temperature ) land +40°C marine +45°COperating current of magnetic release (A)
of release (A)1.0In(cold state) non-trip time(h)1.20In(heat state) trip time (h)1.50In(heat state) trip time (h)7.2In(cold state) trip time(h)
10 ≤ In ≤ 225≥ 2<2≤ 4min4s < Tp ≤ 10s12In±20%
225 ≤ In ≤ 630≤ 8min6s < Tp ≤ 20s
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