Rockwell Automation 7763 Medium Voltage OneGear SMC Flex Motor Controller (10-15 kV) - Manual (Page 129)

Rockwell Automation Publication 7760-UM001D-EN-P - October 2014 129
7760, 7761, 7762, and 7763 SMC Flex Specifications Appendix A
Table 49 - Medium Voltage Vacuum Contactor: 10 to 12 kV
Description Specification
Voltage Ratings
(1)
Maximum Rated Voltage 12 kV
Rated insulation voltage 12 kV
Impulse withstand voltage 75 kV
Withstand Voltage at 50 Hz 28 kV
Frequency Ratings 50 / 60 Hz
Current Ratings
(1)
Rated service current A 400
Rated normal current A 400
Short-time withstand current for 1 s A 6000
Rated Peak Current kA 15
Rated short-circuit time S 1
Maximum rated admissible overcurrent for ½ period (peak
value) kA 55
Rated load and overload characteristics in category of use:
Category AC4) 100 closing operations (A) 4000
Category AC4) 25 opening operations (A) 4000
Electrical Life at rated current verified as in Category AC1 Operations 1000000
Mechanical Life Operations 1000000
Short-circuit breaking capacity (O…3min-CO…3min-CO) (A) 4000
Short-circuit making capacity (O…3min-CO-3min…CO) (A) Peak 8000
Switching Times
Opening Time (lower and upper limit) (ms) 20…30
Closing Time (lower and upper limit) (ms) 30…50
Relative Humidity, without condensation % <95
Operating Temperature °C -5…50 (with derating)
(1) The voltage and current ratings listed are valid up to 1000 m (3300 feet). Please refer to Controller Derating chart for ratings above this altitude.