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GYCM3 series Molded case circuit breaker

The GYCM3 series Molded case circuit breaker(hereinafter referred to as GYCM3)isa mechanical switch that can connect,carry,and break the current under normalcircuit conditions in low-voltage distribution lines,as well as connect and carry acertain amount of time and breaking current under specified abnormal circuits.Itprovides protection for the line and equipment in case of overload,short circuit,and undervoltage(accessory function)in distribution lines.Widely applicable tolow-voltage electric fields such as power,construction,industry,OEM,etc.

Download GEYA CYCM3 MCB catalog

Download GEYA CYCM3 MCB packing list

Description

Application

·Frame rating:125A,250A,400A,630A
·Rated working voltage Ue:400/415V,500V,690V
·Breaking capacity:It covers commonly used breaking in the field of power distribution:25kA,35kA,50kA,70kA.75kA (specific breaking of each shell frame can be found in the parameter table)
·Number of poles:including 2-pole,3-pole,and 4-pole products
·Release type;Single magnetic,thermal magnetic
·Installation method:fixed insertion drawer type

 

Technical Parameter
Shell current GYCM3-125 GYCM3-250 GYCM3-400 GYCM3-630
Rated working voltage Ue(V)50/60Hz 230/240/400/415 230/240/400/415/500/690 400/415/500V/690V 400/415/500V/690V
Rated current In (A) 10/16/20/25/32/40/50/63/80/100/125 100/125/140/160/180/200/225/250 200/225/250/315/350/400 400/500/630
Rated insulation voltage Ui (V) 800 800 800 800
Rated impulse withstand voltage Uimp (kV) 8 8 8 8
Number of poles
Short circuit breaking capacity level L H L H L H L H
UItimate breaking capacity
lcu(KA)
35KA 50KA 35KA 50KA 50KA 75KA 50KA 75KA
Operating breaking capacity
cs(KA)
20KA 36KA 20KA 36KA 36KA   50KA 36KA 50KA
Mechanical lifespan (times) 15000 15000 10000 10000
Electrical lifespan (times) 5000 5000 3000 3000
Protection type Distribution protection (8/10In) ■Products below 40A
are rated at 400A
Motor start protection (12In) ■Products below 40A
are rated at 400A
Tripping method Thermal magnetic release
Single magnetic release
Wiring method Fixed front panel wiring
Fixed rear panel wiring
Plug in front wiring
Plug in board rear wiring
Pull out board rear wiring
Installation
method
Screw/Nut   Installation
(8-12mm)(Standard)
Self tapping screw
installation   (optional)
Product
attachments**
(Optional)
Undervoltage release
Shunt release
Alarm contact
Auxiliary report
Auxiliary contact
Electric operating mechanism CD2
Hand operation
Extended handle
Product attachments
(Standard product
configuration)
Interphase partition
(standard  configuration)
Derived
functions
Overload alarm does not trip
lsolation
function
Selective
categories
Class A  Class A Class A Class A
authentication CCC/CE CCC/CE CCC/CE CCC/CE
External
dimensions(mm)
Width(3P/4P) 75/100 106.5/141 150/197 150/197
high 130 165 256 256
Deep 66 74 106.5 106.5

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