Key Specifications
General
Product Type: Three‑phase Soft Starter
Model: PSTX60‑600‑70
Rated Operational Current: 60 A
Input Voltage: 208–600 V AC
Control Supply Voltage: 100–250 V AC 50/60 Hz
Phase: 3‑phase
Bypass: Built‑in
Mounting: Inline (open style)
Operating Temperature: ‑25 °C to +60 °C
Motor & Performance Ratings
Normal Duty Motor Power: ~20 HP @ 208 V AC, ~40 HP @ 460 V AC, ~50 HP @ 575 V AC
Starting Capacity: ~400% of rated current for ~10 seconds
Control & Ramp Functions: Voltage/torque ramp start and stop, current limit, kickstart
Signals & Outputs: Run signal, torque signal, event/fault relays
Protection Functions: Electronic overload protection, phase loss protection, motor heating monitoring, diagnostics
Mechanical & Physical
Degree of Protection: IP00 (open unit)
Dimensions: ~314 mm (H) × 150 mm (W) × ~198 mm (D)
Weight: ~6.1 kg
Terminal Type: Screw/cable clamp
Standards & Features
Soft start and soft stop with torque or voltage control
Diagnostic functions and sequence start capabilities
Optional communication interfaces on some variants
The ABB PSTX60‑600‑70 is a three‑phase soft starter for AC motors. It gradually increases motor voltage during starting to reduce inrush current and mechanical stress, enhancing reliability and extending motor life. It includes a built‑in bypass for efficient full‑speed operation and supports advanced control features such as torque or voltage ramp start/stop, current limit, kickstart, and diagnostics.