11.4 Option
11-58
[5] Surge suppression unit (SSU)
â– Basic specifications
Item Specifications
Type SSU 50TA-NS SSU100TA-NS
Applicable wiring length 50 m or shorter 100 m or shorter
Power supply voltage 200 V and 400 V classes, PWM converter is applicable
Inverter capacity 75 kW or below (For 90 kW or above, individually treated.)
Output frequency 400 Hz or below
Carrier frequency 15 kHz or below (The SSU is not available at 16 kHz.)
Enclosure IP20
Installation environment
Surrounding temp.: -20 to +40°C, Relative humidity: 85% RH or below,
Vibration: 0.7 G or less, Installation: Horizontally
Dielectric strength voltage 2500 VAC, 1 minute
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