Panel door ingress seal
Basic Function
Panel door ingress seal increases the degree of protection to IPXX & IPXX in fix & drawout
ACB simultaneously.
Mechanical Interlock
Basic Function
It is use to interlock closing & trip between two or three breakers mechanically so as to
prevent unintended operation at same time.
Keylock
Basic Function
Interlocking can be achieved by using '2 locks with 1 key' & '3 locks with 2 keys'.
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The key lock inhibits local & remote closing of circuit breaker.
Door Interlock
Basic Function
'Connected' or 'Test' position.
It may be mounted on the left or right-hand side of the chassis.
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This device inhibits opening of the cubicle door when the circuit breaker is in
Auxiliary Terminal Shield
Basic Function
This shield prevents access to the terminal block of the electrical auxiliaries.
Accessories
Mechanical accessories
Electrical charging device (Motor)
Basic Function
The electrical charging device (motor) automatically charges & recharges the spring
mechanism.
Features
Voltages available - 220V AC (50Hz), 415V AC (50Hz), 110V DC, 220V DC.
Consumption - 85VA for AC, 85W for DC
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Under voltage release
Basic Function
supply voltage drops.
The delay block eliminate the nuisance tripping during short voltage dips.
Features
Voltages available – 220V AC (50Hz), 415V AC (50Hz)
Consumption - 24VA for 220V AC, 36VA for 415V AC,
Characteristics of Under voltage release of circuit breaker
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The Under voltage release instantaneously opens the circuit breaker when the
Operating time of release
Time delay
0, 0.3, 0.6,1, 3, 5S
instantaneous
Operating voltage value of release
35~70%Ue
It is able to open the circuit breaker
≤
35%Ue
Circuit breaker is unable to close
≥
85%~110%Ue Circuit breaker is able to close reliably
Within of delay time; when the
source voltage recovers to 85%Ue
Note:
Accuracy of delay time is ±10%.
Auxiliaries for remote operation
52
C&S Electric Limited
53
C&S Electric Limited
Opening release, closing release
B
asic Function
Opening release instantaneously opens the circuit breaker when energized.
Closing release instantaneously closes the circuit breaker when energized.
Features
Voltages available – 220V AC (50Hz), 415V AC (50Hz), 220V DC.
Consumption - 24VA for 220V AC, 36VA for 415V AC, 24W for 220V DC.
Reliable operating voltage range of opening release is 70% - 110%.
Reliable operating voltage range of closing release is 85% - 110%.
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Under-voltage
release
Under-voltage
release
Type
Circuit breaker does not open
W Nmaster 2
i
W Nmaster 2
i
Summary of Contents for WiNmaster 2
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