abb softstarter PSE105-600-70 pse range 106 amp

Why Choose the ABB PSE105-600-70 Softstarter?

The ABB PSE105-600-70, part number 1SFA897109R7000, is an advanced general-purpose softstarter engineered for smooth starting and stopping of three-phase motors in industrial automation and process control systems. As part of the intelligent ABB PSE softstarter range, this unit helps reduce electrical inrush current, minimise mechanical stress and improve the operational lifespan of motors and connected equipment.

The PSE series combines compact dimensions with advanced motor protection and control features, including built-in bypass, torque control, kick start and electronic overload protection. Its illuminated display and integrated Modbus RTU communication simplify commissioning, monitoring and integration into industrial automation systems.

With a rated operational current of 105 A and support for 208–600 V AC three-phase systems, the PSE105-600-70 is ideal for pumps, fans, compressors, conveyors and other industrial motor applications requiring reliable and energy-efficient soft starting performance.

Key Advantages

• Advanced general-purpose softstarter for industrial motor control.
• 105 A operational current rating for heavy-duty industrial motors.
• 208–600 V AC three-phase operating voltage.
• Integrated built-in bypass relay reduces heat and energy losses.
• Built-in Modbus RTU communication for automation integration.
• Includes overload, underload and locked rotor motor protection.

Key Features

• ABB PSE intelligent softstarter series.
• 105 A rated operational current.
• 55 kW motor power at 400 V AC.
• 100–250 V AC control voltage.
• Integrated bypass functionality.
• Soft start and stop through voltage or torque ramp.
• Built-in Modbus RTU communication.
• Illuminated multilingual-neutral display interface.

Technical Specifications

• Manufacturer: ABB
• Series: PSE Softstarters
• Model: PSE105-600-70
• Part number: 1SFA897109R7000
• Product type: Softstarter
• Rated operational current: 105 A
• Rated operational voltage: 208–600 V AC
• Control voltage: 100–250 V AC
• Rated control circuit voltage: 24 V DC
• Motor power rating: 55 kW at 400 V
• Motor power rating: 75 HP at 440/480 V
• Frequency: 50 / 60 Hz
• Input phases: 3-phase
• Protection rating: Main terminals IP00
• Mounting type: Panel mounting
• Terminal type: Screw terminals
• Ramp time: 0–30 s start / 1–30 s stop
• Current limit function: 1.5–7 × Ie adjustable
• Integrated overload protection: Yes
• Communication: Modbus RTU
• Dimensions (H × W × D): approx. 245 × 90 × 184 mm
• Weight: approx. 2.7 kg

Advanced Soft Starting for Industrial Machinery

Softstarters such as the ABB PSE105-600-70 gradually increase motor voltage during startup to reduce current peaks and mechanical stress. This improves operational reliability, protects connected machinery and helps extend motor lifespan in demanding industrial environments.

The ABB PSE range is widely used where intelligent motor protection, efficient operation and advanced communication capabilities are required. Built-in bypass technology reduces energy losses while integrated monitoring functions simplify maintenance and diagnostics.

Typical Applications

• Industrial pumps and water systems.
• Fans and ventilation equipment.
• Conveyor and material handling systems.
• Compressors and processing equipment.
• HVAC and refrigeration systems.
• OEM automation systems and industrial control panels.

Trusted by Industrial Automation Engineers

ABB PSE softstarters are trusted worldwide by industrial engineers and machine builders for reliable motor starting, advanced protection functions and seamless automation integration.