Optidrive VTC – User Guide
28 www.invertek.co.uk
480-525V ±10% - 3 Phase Input
3 Phase Output
110%
Output
Current 60
secs
480 – 525 volt rated units are NOT UL listed
500-600V ±10% - 3 Phase Input
3 Phase Output
110%
Output
Current 60
secs
For cUL compliance, fuse type Bussmann KTN-R / KTS-R or equivalent must be used
An external input choke must be fitted for all Frame Size 2 units
9.3. Maximum supply ratings for UL compliance:
Maximum supply
short-circuit current
230V ratings
0.37kW (0.5HP) to 18.5kW (25HP)
230V ratings
22kW (30HP) to 90kW (120HP)
400/460V/600V ratings
0.75kW (1.0HP) to 37kW (50HP)
400/460V/600V ratings
45kW (60HP) to 132kW (175HP)
400/460V/600V ratings
160kW (210HP)
All the drives in the above table are suitable for use on a circuit capable of delivering not more than the above specified maximum short-circuit
Amperes symmetrical with the specified maximum supply voltage.