Description
- Product Model: PSE170‑600‑70
- Brand: ABB
- Warranty: One Year
- Input Voltage: Main circuit 208‑600 V AC; control supply 100‑250 V AC
- Operating Temperature: ‑10 °C ~ +60 °C (derating above 40 °C)
- Storage Temperature: ‑40 °C ~ +85 °C
- Response Time: Soft‑start ramp adjustable 0.5‑60 s; fault reaction <100 ms
- Protection Class: IP20, cabinet‑mount soft‑starter unit
- Accuracy Class: N/A (motor soft‑starter)
- Output Frequency: 50/60 Hz fixed mains frequency
- Rated Current Range: Rated operational current 170 A; motor power 90 kW@400V, 160 kW@600V; internal bypass contactor integrated
- Communication Interface: Modbus RTU (RJ45 / terminal), relay alarm output, digital input / output terminals
- Supported Protocols: Modbus RTU; configuration via local keypad or PC‑tool
- Overload Capacity: Class 10 motor overload protection; phase loss, over‑temperature, short‑circuit, wrong phase‑sequence protection; internal SCR over‑temperature monitoring
- Dimensions: 330 mm × 220 mm × 185 mm; weight approx 12.5 kg
Product Overview
The ABB PSE170‑600‑70 belongs to the PSE series compact soft‑starter with built‑in bypass contactor. It controls three‑phase asynchronous motor starting and stopping by adjusting thyristor output voltage. The integrated bypass contactor closes after motor ramp‑up to reduce SCR heat loss during normal running. It provides motor overload protection, phase failure detection and configurable start‑stop ramps. Modbus RTU interface enables remote monitoring of current, status and fault codes. It addresses typical site pain‑points: large inrush starting current causing grid voltage dip, mechanical shock on belts, gears and pumps, extra external bypass‑contactor wiring work. Electrical engineers, panel builders and maintenance technicians benefit from compact all‑in‑one design, built‑in protection functions, and spare‑part replacement for existing ABB PSE soft‑starter installations.
Application Scenarios
- Pump & fan motor control: Installed inside MCC cabinets for water‑supply fans, wastewater pumps and HVAC large‑size fans. Soft start reduces water‑hammer effect and mechanical impact on impellers and piping.
- Conveyor and material‑handling equipment: Used for belt conveyors in mining, cement and logistics industry. Smooth ramp‑up avoids belt slipping and mechanical shock at startup.
- Compressor start‑up control: Applied for air‑compressors to limit starting surge current and protect mechanical components.
- Legacy soft‑starter retrofit & spare replacement: Drop‑in spare for existing PSE‑series installations. Reuses main‑circuit and control‑circuit wiring to shorten overhaul downtime.
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