ABB 1SAM461000R1017 MO165-65 Motor Protection Circuit Breaker

1. Product Overview

The ABB 1SAM461000R1017 MO165-65 Motor Protection Circuit Breaker is an integrated device providing overload, short-circuit, and phase-loss protection for low-voltage AC motors. The MO165-65 quickly disconnects power during motor overload or faults to ensure the safety of motors and equipment. It supports manual operation and adjustable rated current, and its modular design allows easy installation and maintenance, making it ideal for industrial automation, machinery, and building motor systems.

2. Technical Specifications

• Model: 1SAM461000R1017

• Type: Motor Protection Circuit Breaker

• Rated Current Range: 50–65 A (adjustable)

• Poles: 3

• Rated Operating Voltage: AC 400 V / DC 24–60 V

• Protection Functions: Overload, short-circuit, phase-loss protection

• Operation Method: Manual ON/OFF and automatic trip

• Mounting: DIN rail or panel mount

• Operating Temperature: 0°C to +55°C

• Storage Temperature: -20°C to +70°C

• Protection Rating: IP20

• Mechanical Life: ≥ 10,000 operations

• Dimensions (W×H×D): ~90 × 120 × 95 mm

• Weight: ~2.3 kg

3. Advantages and Features

• Comprehensive motor protection: Provides overload, short-circuit, and phase-loss protection.

• Manual and automatic operation: Supports manual ON/OFF and automatic trip functions.

• Adjustable rated current: Can be set according to motor specifications for flexibility.

• Modular design: Easy installation, maintenance, and integration with other electrical devices.

• Industrial-grade durability: Reliable operation in vibration, dust, and industrial environments.

4. Typical Applications

• Industrial motor protection and control

• Conveyor systems and pump equipment

• HVAC systems and fan control

• Automated production lines and machinery

• Commercial and industrial building motor systems

5. Installation & Usage Notes

• Ensure the breaker setting matches the motor rated current before installation.

• Secure all wiring to prevent loose connections or short circuits.

• Install in a dry, ventilated environment to prevent dust or liquid ingress.

• Regularly check breaker status and operation to ensure motor safety.

• Avoid overload operation to prolong breaker life.

The structure and details of the product： ​

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