Technical Parameters
Parameter Specification
Product Type Soft Starter (Solid‑State Reduced Voltage Starter)
Model / Series PSR37‑600‑70 (PSR Series)
ABB Part Number 1SFA896110R7000
Rated Operational Current (Ie) 37 A
Rated Operational Voltage (Main Circuit) 208 – 600 V AC
Control Supply Voltage 100 – 240 V AC, 50/60 Hz
Control Circuit Voltage 100 – 240 V AC
Rated Frequency 50/60 Hz
Soft Start/Stop Method Two‑phase voltage ramp control
Adjustable Ramp Times Start and stop ramp times adjustable via potentiometers
Built‑in Bypass Yes (bypass contactor for energy efficiency)
Relay Outputs RUN and TOR (normally open)
Motor Power Capability Approx. 7.5 kW @ 230 V, 18.5 kW @ 400 V, 22 kW @ 500 V
Protection Rating IP10 (open type)
Terminal Type Screw terminals
Mounting DIN rail or panel mounting
Operating Temp. Range ~‑25 °C to +60 °C
Dimensions (Approx.) Height ~187 mm × Width ~54 mm × Depth ~153 mm
Weight (Approx.) ~1.0 kg
Typical Applications Pumps, fans, compressors, conveyors, general three‑phase motor control
The ABB PSR37‑600‑70 is a compact soft starter designed for smooth starting and stopping of three‑phase AC motors in industrial applications. It belongs to ABB’s PSR series of soft starters, which are engineered to reduce mechanical and electrical stresses during motor start‑up and shutdown by using a controlled voltage ramp. This helps extend motor life, improves process reliability, and reduces inrush current compared to direct‑on‑line (DOL) starting.