ABB PSR72-600-70 Softstarter (1SFA896113R7000)

The ABB PSR72-600-70 is a compact, high-efficiency softstarter rated for 72 A and 208–600 V AC. Designed to smoothly start and stop three-phase motors using two-phase control, it features a built-in bypass contactor to minimize power loss and reduce panel heating. This model is ideal for small motor applications such as pumps, fans, conveyors, and compressors, and supports up to 10 starts per hour at full load.

Quick to set up with three front-facing potentiometers, and offering optional Fieldbus communication, the PSR72-600-70 combines ease-of-use with industrial-grade reliability.

Technical Specifications

Model: PSR72-600-70 ABB
Rated Operational Current (Ie): 72 A
Rated Operational Voltage: 208 … 600 V AC
Control Supply Voltage (Us): 100 … 240 V AC
Control Circuit Voltage (Uc): 24 V DC
Rated Frequency: 50/60 Hz
Operational Power:
– 22 kW @ 230 V
– 37 kW @ 400 V
– 45 kW @ 500 V
Ramp Time: 1–10 s (Start), 0–20 s (Stop)
Initial Voltage During Start: 40–70%
Step Down Voltage: 100–60%
Starting Capacity: 4 × Ie for 6 s
Max Starts Per Hour: 10 (50% ON/OFF cycle)

Functionality & Indicators

Soft Start / Stop: Voltage ramp-based
Built-in Bypass Contactor: Yes
RUN Signal Relay: Yes (NO)
Bypass Signal Relay: Yes (NO)
LED Status Indicators:
– Start Ramp Completed (Green)
– Ready to Start (Green)
– Running (Green)
– Ramping (Green)
Communication Option: FieldBusPlug (external)
Electronic Overload Protection: No
Recommended MMS: MS495 (57–75 A)
Inside Delta Start: Not Supported
Current Limit Function: No

Electrical & Installation

Terminal Type: Bars
Main Circuit Connection:
– Rigid 1 × 10 … 95 mm²
– Rigid 2 × 6 … 35 mm²
Control Circuit:
– 1 × 0.75 … 2.5 mm²
– 2 × 0.75 … 2.5 mm²
Supply Circuit: 1 × 0.75 … 2.5 mm²
Tightening Torque:
– Main Circuit: 8 N·m
– Control Circuit: 0.6 N·m
– Supply Circuit: 0.6 N·m
Degree of Protection: IP10 (IEC 60529)

Mechanical & Environmental

Dimensions (W × H × D): 180 × 220 × 70 mm
Weight: 2.1 kg
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +70°C
Installation Category: III

Certifications & Compliance

CE Marked: Yes
RoHS: Compliant (2011/65/EU & 2015/863)
REACH: Certified
UL/CSA Horsepower Ratings:
– 20 HP @ 208 V
– 25 HP @ 240 V
– 50 HP @ 480 V
– 60 HP @ 600 V
Maximum UL Voltage: 600 V
WEEE Category: 5 – Small Equipment
Standards: IEC 60947-4-2, EN 60947-1

Key Features & Benefits

✅ Rated for 72 A: Powerful enough for 37–45 kW motors.

✅ Built-in Bypass: Improves efficiency and reduces panel heat.

✅ Compact Design: Saves space in electrical enclosures.

✅ Easy Setup: Front potentiometers for ramp time and voltage.

✅ LED Feedback: Real-time operating status indicators.

✅ Fieldbus Ready: Optional plug-in for digital integration.

📦 Buy ABB PSR72-600-70 Softstarter at Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable ABB PSR72-600-70 prices.

Whether you’re retrofitting older systems or installing in new applications, the PSR72-600-70 delivers safe, compact, and reliable motor starting performance.

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