Velocity Edge GX440 Instructions d'exploitation Page 76

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Electrical installation
4.9 Other connections
Drive converter cabinet units
76 Operating Instructions, 10/2008, A5E00288214A
Connection
Table 4- 20 Terminal block X50 – checkback contact "main/circuit breaker closed"
Terminal Designation
1)
Technical specifications
1 NO
2 NC
3 COM
Max. load current: 10 A
Max. switching voltage: 250 V AC
Max. switching capacity: 250 VA
Required minimum load: ≥ 1mA
1)
NO: normally-open contact, NC: normally-closed contact, COM: mid-position contact
Max. connectable cross-section: 4 mm²
DANGER
At currents of more than 800 A and with a live line voltage, dangerous voltages are present
in the cabinet unit even when the circuit breaker is open. The upstream protective gear
must be de-energized when working on cabinets.
Setting the release current for the circuit breaker
In equipment with a circuit breaker, the release current must be set to match the plant
requirements. The appropriate specifications are given in the operating instructions supplied
with the circuit breaker.
The release current is set as follows per default:
Table 4- 21 Factory setting for overcurrent release
Order number Output current Overcurrent trip (L) Short-circuit trip, non-delayed (I)
6SL3710-7LE38-4AA0 840 A 0,9 2
6SL3710-7LE41-0AA0 985 A 0,85 2
6SL3710-7LE41-2AA0 1260 A 0,8 2
6SL3710-7LE41-4AA0 1405 A 0,9 2
6SL3710-7LG38-1AA0 810 A 0,85 2
6SL3710-7LG38-8AA0 910 A 1,0 2
6SL3710-7LG41-0AA0 1025 A 0,9 2
6SL3710-7LG41-3AA0 1270 A 0,85 2
NOTICE
If the release current is not set correctly, the circuit breaker could trip inadvertently or even
fail to trip.
Diagnostics
Messages output during operation and in the event of faults are described in "Additional
Operating Instructions" of the Operating Instructions.
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