Accessories
3.2 Electronic accessories
Air circuit breaker 3WL10
76
Manual, 11/2017, L1V30499596002-01
Undervoltage release (UVR)
The undervoltage release trips the circuit breaker if the rated control supply voltage U
s
fails
or drops to between 70 % and 35 % of its normal value (in compliance with the relevant
standard). The undervoltage release can be used for:
●
Safe remote tripping
●
Interlocking during closure
●
Checking the voltage in the primary and secondary circuits
The undervoltage release is powered via the auxiliary conductor terminal system.
Note
The circuit breaker can be reclosed at a coil supply voltage of 85 % to 110 % U
n
.
Suitable for continuous operation: 100 % ON time
Technical specifications
AC
DC
Rated control
supply voltage U
s
24 V
•
•
30 V
•
•
48 V
•
•
60 V
•
•
110 to 120 V
•
•
120 to 127 V
•
•
220 to 240 V
•
•
240 to 250 V
•
•
380 to 400 V
•
—
415 to 440 V
•
—
Operating limits
UVR: ON: 85 to 110 % U
s
UVR: OFF: ...< 70 % U
s
Switch-on power
300 VA
300 W
Continuous power
3.5 VA
3.5 W
Break time UVR
30 ms
Summary of Contents for SENTRON 3WL10
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Page 8: ...Table of contents Air circuit breaker 3WL10 6 Manual 11 2017 L1V30499596002 01 ...
Page 170: ...Operation 6 3 Troubleshooting Air circuit breaker 3WL10 168 Manual 11 2017 L1V30499596002 01 ...
Page 180: ...Technical specifications Air circuit breaker 3WL10 178 Manual 11 2017 L1V30499596002 01 ...
Page 199: ...Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 197 Circuit diagrams 10 ...
Page 212: ...Circuit diagrams Air circuit breaker 3WL10 210 Manual 11 2017 L1V30499596002 01 ...
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