ABB OTE25T3M Safety Switch

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Product Overview

ABB OTE25T3M Safety Switch
The ABB OTE25T3M is a mechanical interlock safety switch designed for industrial safety systems. It is intended for use on guard doors, covers, or safety fences to ensure operational safety. The safety switch features forced disconnection, immediately cutting off the control circuit when the protective door is opened, preventing unintended operation and protecting personnel. It is suitable for a wide range of industrial automation and production equipment safety applications.

Technical Specifications

• Model: OTE25T3M

• Product Type: Safety Switch

• Mounting Type: Mechanical interlock / rotary operation

• Contact Configuration: 3 NO + 1 NC

• Switch Type: Front operation / rotary handle

• Rated Voltage: AC 250 V / DC 24 V

• Rated Current: 6 A

• Mechanical Life: ≥ 1,000,000 operations

• Mounting Method: Screw mounting or flush mount

• Operating Temperature: -25 ℃ to +70 ℃

• Protection Class: IP65

• Standards: IEC 60947‑5‑1, ISO 13849, IEC 62061

Advantages and Features

1. High Safety Design
   Mechanical interlock and front operation prevent unauthorized or accidental operation.

2. Reliable Circuit Break
   Automatically disconnects control circuits when the protective door is opened to ensure personnel safety.

3. Industrial Durability
   IP65 rating and long mechanical life suitable for harsh industrial environments.

4. Multiple Contact Design
   3 NO + 1 NC contacts meet various safety control logic requirements.

5. Flexible Installation
   Supports screw mounting or flush installation for different guard doors or safety covers.

Typical Applications

• Safety guarding of industrial production lines

• Operational safety protection for machining or stamping machines

• Safety isolation in packaging equipment and material handling robots

• Conveyor belt and assembly line safety protection

• Input interface for PLC or safety control systems

• Any industrial equipment requiring guard door interlocking

Installation & Usage Notes

1. Power Off Before Installation: Ensure power is disconnected during installation or maintenance.

2. Correct Wiring: Follow wiring diagrams to ensure proper safety function.

3. Operating Direction: Ensure correct rotation direction of handle or actuator to avoid misoperation.

4. Environmental Conditions: Avoid strong corrosive gases, water ingress, or extreme temperatures.

5. Regular Maintenance: Inspect switch operation and wiring regularly for long-term safety reliability.