Auxiliary contacts of the circuit breaker
Un:
Rated current: Ith
Insulation voltage:
Electrical resistance:
Un Cosϕ T In Icu
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Note
Application of the shunt opening release and/or additional shunt opening re-
lease foresees the use of one or two auxiliary make contacts (normally open),
thereby reducing the number of auxiliary contacts available.
Motor operator (-MAS)
Operating limits:
Inrush power (Ps):
Rated power (Pn):
Inrush time
Charging time:
Insulation voltage:
Locking magnet on the operating mechanism (-RLE1)
Operating limits:
Inrush power (Ps):
Continuous power (Pc):
Inrush time:
Locking magnet on the truck (-RLE2)
Un: 24 - 30 - 48 - 60 - 110 - 125 - 127 - 132 - 220 - 240 V–
Un:
Operating limits:
Inrush power (Ps):
Continuous power (Pc):
Inrush time:
Device for monitoring the functionality and continuity of the
shunt opening/closing releases (Shunt Test Unit)
Un:
Maximum interrupted current:
Maximum interrupted voltage:
5.5. Characteristics of the electrical
accessories
Shunt opening release (-MBO1);
Additional shunt opening release (-MBO2);
Shunt closing release (-MBC)
Operating limits:
Inrush power (Ps):
Inrush time
Maintenance power (Pc):
Opening time:
Closing time:
Insulation voltage:
Undervoltage release (-MBU)
Operating limits:
– circuit breaker opening:
– circuit breaker closing:
Inrush power (Ps):
Inrush time
Maintenance power (Pc)
Opening time:
Insulation voltage:
Electronic time delay device for undervoltage release (mounted
outside the circuit breaker
Adjustable opening time
(release + time delay device):
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5. Description
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