Specifications Series PSR Voltage 208-600VAC Frequency (f) 50/60 Hz Amperage 9 Amps Ambient Temperature –25°C to 60°C Documents Softstarter Brochure (PSTX, PSE, PSR, PSRC Series) Softstarter Main Catalog Related Products Quick view PSR9-600-11 $316.52 MSRP: Soft Starter (9 Amps) Quick view PSRC9-600-70 $333.25 MSRP: Soft Starter (9 Amps) Quick view PSR72-600-70 $1,098.86 MSRP: Soft Starter (72 Amps) Quick view PSR37-600-70 $609.16 MSRP: Soft Starter (37 Amps) Quick view PSRC72-600-70 $1,153.81 MSRP: Soft Starter (72 Amps)