ABB 1SAJ510000R0500 General Purpose Motor Controller

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1. Product Overview

The ABB 1SAJ510000R0500 General Purpose Motor Controller is an industrial-grade controller for low-voltage motors, designed for start, stop, forward/reverse, and overload protection. It integrates a contactor, thermal overload relay, and control terminals, supporting direct-on-line (DOL) or star-delta starting. The controller is compact, reliable, and suitable for industrial automation, pumps, fans, compressors, and production equipment motor control.

2. Main Technical Parameters (Typical)

Electrical Data

• Rated operational voltage (Ue): AC 690 V

• Rated operational current (Ie): 5 A

• Control voltage (coil voltage): AC 230 V / DC 24 V (optional)

• Poles: 3 main contacts

• Overload protection: Adjustable thermal relay

Mechanical and Electrical Life

• Electrical life: approx. 150,000 operations

• Mechanical life: ≥ 5,000,000 operations

Control Functions

• Direct-on-line (DOL) or star-delta start

• Forward/reverse control

• Adjustable thermal overload settings

• External control buttons for start/stop/emergency stop

Installation

• DIN rail or panel mounting

• Compact design for control cabinet integration

Operating Environment

• Operating temperature: -25°C to +60°C

• Protection class: IP20

• Suitable for industrial control environments

Standards and Certifications

• Compliant with IEC/EN 60947-4-1, UL 508

• CE certified

3. Advantages and Features

• Integrated design: Contactor, overload protection, and control terminals in one unit

• High reliability: Industrial-grade components ensure safe motor operation

• Versatile control: Supports forward/reverse, DOL, or star-delta starting

• Compact installation: Saves control cabinet space and simplifies maintenance

• Flexible application: Suitable for various low-voltage motors and industrial equipment

4. Typical Applications

• Industrial pumps, fans, and compressors

• Conveyor systems and production line motor control

• HVAC system motor control

• Factory and infrastructure automation

• Water treatment, power, and energy management systems

5. Application Notes

• Ensure motor rated current matches the controller’s rated current

• Select DOL or star-delta start according to control requirements

• Coil voltage must match system power supply

• Ensure proper ventilation to prevent overload

• Periodically check thermal relay settings and terminal tightness

The structure and details of the product：

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