GYCM8EY Molded Case Circuit Breaker (MCCB)

·Real time display of three-phase voltage and load current;
·Equipped with 0.5 level high-precision measurement,fourremote control,overvoltage,undervoltage,and phase lossprotection functions

→ Download GEYA CYCM8EY MCCB catalog

 

SKU GYCM8EY Category

Description

Product model and definition

GYCM8EY- 160 M P1 /
Product code: Shell level current
Optional code:
Optional code for short-
circuit breaking capacity
Optional operation code:
GYCM8LY
series electronic
LCD plastic case
circuit breaker
250
400
630
800
1250
M:Higher breaking type
H:High breaking type
Note:Conventional
production is M-type
No code:direct operation
P1:DC3 electric operation (market standard)
P2:DC6 series electric operation (as shown in the picture)
P3:DC6 series electrically operated LCD type
Zy1:Rotating handle(manual center type -circular handle)-(Preferred for regular factory use)
Zf1:Rotating handle(manual center type -square handle)
Zy2:Rotating handle (hand operated eccentric circular handle)
Zf2:Rotating handle(manual eccentric square handle)
Z3:Rotating handle(hand operated integrated)(Only 250 available)
Note:The electric operating voltage is divided into
DC24,DC110VDC220V,AC230V,AC400V;Conventional
production is AC230V
4 3 0 2 B JL /
Pole number: Knob optional code: Internal accessory
optional code
Usage code: Quadrupole product optional code Additional function
code
3:3pole
4:4pole
3:3 knobs
6:6 knobs
No code:for
distributior
protection
2:For motor
protection
Note:Magnetic
protection 14In
does not operate
20In operates
700A-2000A
without motor
protection type
A:The N-pole is not equipped with an
overcurrent release,and the N-pole is
always connected
B:The N-pole is not equipped with an
overcurrent release,and the N-pole is
opened and closed together with the other
three poles
C:Install an overcurrent release on the N-
pole,and the N-pole will be combined and
disconnected with the other three poles
D:Install an overcurrent release on the N-
pole and ensure that the N-pole is always
connected
No code:regular
product
JL:Measurement
function
WD:Temperature
display function
P Z n=100A
Optional installation and wiring method code:  Protective accessory code: Rated current:
No code:Board front wiring(fixed type)
P:Connection bar(extended copper bar)
Z1:Rear board wiring (fixed type)
Z2Q:Plug in front wiring (split type)
Z2H:Plug in board rear wiring(split type)
Z3Q:Plug in front wiring (integrated)
Z3H:Plug in board rear wiring (integrated)
DF:withdrawable front panel wiring
DR:Pull out board rear wiring
Note:250 non withdrawable;
1250 only has connecting bars
 No code:regular product
7:Terminal cover
Note:The terminal cover only
has three poles;400,630 points
narrow length,wide length
default to wide length
250#:125A(0.4-1.0In);
250A(0.4-1.0|n);
400#:400A(0.4-1.0ln)
630#:630A(0.4-1.0In)
800#:630A(0.4-1.0In)
800A(0.4-1.0In);
1250#:1000A(0.4-1.0In);
1250A(0.4-1.0In);

External attachments

Molded case circuit breaker: GYCM8EY-250 GYCM8EY-400 GYCM8EY-630 GYCM8EY-800 GYCM8EY-1250
Number of poles 3P 4P 3P 4P 3P 4P 3P 4P 3P 4P
GYCM8EY
External
Accessories:
Electric operation ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
Hand operation ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
Expansion copper bar ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
Mechanical interlocking ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ 一 一
Insert type front split type ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ 一 一
nsert type front integrated panel ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ 一 一
Insert type front fixed type ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ 一 一
Insert type rear split type ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ 一 一
nsert type rear integrated board ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ 一 一
Insert type rear fixed type ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ 一 一
After the pull-out board 一 一 ✔ 一 ✔ 一 ✔ 一 一 一

Main performance indicators

Molded case circuit breaker: GYCM8EY-250 GYCM8EY-400 GYCM8EY-630
Shell  level current  In:  125A(0.4-1.0In)
250A(0.4-1.0In);
400A(0.4-1.0In); 630A(0.4-1.0In);
Short circuit breaking
capacity code:
M H M H M H
Number  of  poles: 3P,4P 3P,4P 3P,4P
Rated working voltage
Ue (V),AC:
AC400V AC400V AC400V
Rated  insulation  voltage Ui(V): 1000V 1000V 1000V
Rated impulse withstand
voltage Uimp (kV):
8kV 8kV 8kV
Rated operating short-circuit breaking capacity
lcu  (kA):
AC400V 35kA 65kA 50kA 70kA 50kA 70kA
Rated ultimate
short-circuit
breaking capacity
lcu  (kA):
AC400V 50kA 65kA 50kA 70kA 50kA 70kA
Rated short-term withstand current Icw(kA): 一 一 10kA/1s 10kA/1s 10kA/1s 10kA/1s
Selective categories: Class  B
Type of overcurrent release: Electronic
GYCM8EY
External
dimensions
(mm)width
(W)*Length
(L)*height(H)
Shell level
current
GYCM8EY-250 GYCM8EY-400 GYCM8EY-630
poles
Number
3P 4P 3P 4P 3P 4P
wide 105 140 140 184 210 280
length 165 257 275.5
height/
Face cover
88 103 103
height/Handle 116 152 152
Note:The  height  from  the  bottom  of  the  base  to  the(cover/handle)
Molded case circuit breaker GYCM8EY-800 GYCM8EY-1250
Shell level current In: 630A(0.4-1.0In);
800A(0.4-1.0In);
1000A(0.4-1.0In);
1250A(0.4-1.0In);
Short circuit breaking capacity code M H M H
Number of poles: 3P,4P 3P,4P
Rated working voltage Ue (V),AC: AC400V AC400V
Rated insulation voltage Ui (V): 1000V 1000V
Rated impulse withstand voltage
Uimp(kV):
8kV 8kV
Rated operating short-circuit breaking capacity lcs  (kA): AC400V 50kA 65kA 50kA 65kA
Rated ultimate
short-circuit breaking capacity lcu  (kA):
AC400V 50kA 85kA 50kA 85kA
Rated short-term withstand  current Icw (kA) 20kA/1s 20kA/1s 20kA/1s 20kA/1s
Selective categories: Class B
Type of overcurrent release: Electronic
GYCM8EY
External
dimensions
(mm)width
(W)*Length
(L)*height(H)
Shell level
current
GYCM8EY-800 GYCM8EY-1250
poles Number 3P 4P 3P 4P
wide 210 280 210 280
length 275.5 275.5
height/Face
cover
103 103
height/ Handle 152 152
Note:The height from the bottom of the base to the (cover/handle)
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