Specifications Series PSR Voltage 208-600VAC Frequency (f) 50/60 Hz Amperage 37 Amps Ambient Temperature –25°C to 60°C Documents Softstarter Brochure (PSTX, PSE, PSR, PSRC Series) Softstarter Main Catalog Related Products Quick view PSR37-600-11 $609.16 MSRP: Soft Starter (37 Amps) Quick view PSRC37-600-70 $640.21 MSRP: Soft Starter (37 Amps) Quick view PSRC12-600-70 $339.21 MSRP: Soft Starter (12 Amps) Quick view PSRC9-600-70 $333.25 MSRP: Soft Starter (9 Amps) Quick view PSE60-600-70 $1,292.36 MSRP: Soft Starter (60 Amps)