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OB1-63 MCB

OB1-63 MCB
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Application scope
Protection and control of circuit against overload and short circuit,In building installation-such as houses,offices,commercial complex,motor system(D curve) and industrial installation-for switching ,control,protection and regulation of electrical circuits. Also in switchgear panels,railway and marine application.


Construction features 

The pass electric current characteristic of circuit breaker can not be changed with outside mechanical tool ;The accessory which made by ferrous metal should have proper antirusting measure ;The operating organization must be flexible and reliable, and should have freed function to take off and deduct; the Operate part can not be taken down from the shell outer of products,;the shell of product can not influence the operating organization to work.

Order note 

1.Minimum order quantity, time during the order to delivery;
2.Need to indicate type , specification , rated current , number of poles, quantity of the products while ordering.

Product's advantage 

1.Our products have the guarantee period of 36 calendar months,that is a high quality and reliability;
2.our products have an excellent ratio between price and quality ,you can possess them by competitive price and high quality;
3.The fast and flexible production form aim at the customer require;
4.The deliveries exactly in accordance with customer orders
5.The fast transportation.
6.Wide in variety, entire in specifications, has high short-circuit breaking capacity,can reach 10KA , it is aesthetic in appearance to design and convenient to install.

Normal operation and mounting requirement 

Circumstance temperature -5°C~ +40°C, average temperature not exceeding 35°C.
·Altitude above sea level less than 2000 m.
·Humidity not exceeding 50% at 40°C and not exceeding 90% at 25°C.
·Installation class II or III.
·Pollution class 2.
·Installation method DIN Rail mounting type.
·The external magnetism shall not be more than 5 times of terrestrial one.
·Product shall be installed vertically at the place where there shall be no severe impact and vibration. The product is switched on when the handle is at upper position.

Main technical parameters 
Type  OB1-63 MCB
 Number of poles  1P、2P、3P、4P
 Rated Current(In)  1、2、3、4、6、10、16、20、25、32、40、50、63A
 Rated Voltage(Un)  AC 230(240)/400(415)V
 Rated frequency  50(60)Hz
 Curve  B、C、D
Short-circuit breaking capacity(Icn)  6000A
 Magnetic releases operate  B curve: between 3 and 5 In
 C curve: between 5 and 10 In
 D curve: between 10 and 14 In
 Endurance  ≥ 4000
 Terminal protection  IP20
Overall and mounting dimensioned chart 

MCCB :: RCBO :: Residual Current Circuit Breaker :: Air Circuit Breaker :: Distribution Box :: Surge Protective Device :: Moulded Case Circuit Breaker
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