Specifications Series PSR Voltage 600VAC Frequency (f) 50/60 Hz Amperage 37 Amps Ambient Temperature –25°C to 60°C Show MoreLess Documents Softstarter Brochure (PSTX, PSE, PSR, PSRC Series) Softstarter Main Catalog Related Products Quick view PSR37-600-70 $568.69 MSRP: Soft Starter (37 Amps, 600V main voltage and 100-240V 50/60Hz) Quick view PSR25-600-11 $356.82 MSRP: Soft Starter (25 Amps) Quick view PSR12-600-11 $301.06 MSRP: Soft Starter (12 Amps) Quick view PSR9-600-11 $295.49 MSRP: Soft Starter (9 Amps) Quick view PSR6-600-11 $250.90 MSRP: Soft Starter (6.8 Amps)