Product DescriptionYCM1 series moulded case circuit
breaker(herein after called circuit breaker) adopts international
advanced design and manufactural technology, it can be dividedinto
L-type (standard type), M-type (higher type)according to the rated
ultimate short circuit breaking capacity (Icu). With the features
of small and compact, high breaking capacity, short arcing-over
distance, anti-vibration, the circuit breaker is used popularly on
land and marine products, they are applied for the power
distribution network of AC 50Hz,rated insulation voltage 800V
(YCM1-63 to 500V), rated working voltage 690V(YCM1-63 to 400V) and
below, rated current up to 1250A, it can be used to distribute
electric power and protect power equipment against overload, short
circuit, undervoltage etc, It also takes protective effect when
motors infrequently start and protecting against overload, short
circuit and lacking voltage. In the series, frame ranging from
63-630A three-pole product also comes with a transparent cover, it
is convenient for customer to observe the product operation.The
circuit breaker can be installed vertically, or horizontally. This
product complies with standard of IEC60947-2.
TypeYCM1-63YCM1-125YCM1-160YCM1-250YCM1-400YCM1-630YCM1-800YCM1-1250YCM1-1600PolesP 334 234 3P234 343434 33Rated
current
InA 10,16,20,25,32,40,50,6310,16,20,25,32,40,50,6380,100,125100,125,140,160100,125,140160,180,200225,250225,
250,315,350,400400,500,630630,700,800800,100012501600Rated
insulationvoltage UiV 500800Rated impu lsewithstand
voltage UimpV 60008000Rated operationvoltage
UeV AC400AC400/690Breaking capacity
class LMLMLLMLMLMMMMLimit short-circuitbreaking capacity
lcukA400V25503550353550 50655065758585690V 8108810 10201020303030Working
short-circuitbreaking capacity
IcskA400V18252225222225 35423542505050690V 45445510510151515Arcing
distance
mm50100OperatingfrequencyElectrical
life150015001500100010001000500500500mechanical
life850085008500700040004000250025002500Product
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