ABB THRPLHDL2 Safety Switch

1. Product Overview

The ABB THRPLHDL2 Safety Switch is an industrial safety interlock device used to monitor the open/closed status of safety doors or guards and induce a safe stop when protection barriers are breached.
Typically used in conjunction with emergency stops, safety relays, or safety input modules of PLCs, this safety switch is a critical safety component for production lines, automated machinery, and robotic cells.

2. Technical Specifications

• Model: THRPLHDL2

• Type: Safety Switch / Interlock Switch

• Brand: ABB

• Mounting: Panel/frame or safety door edge mount

• Mechanical Life: ≥ 1,000,000 operations

• Contact Configuration:

  • Normally Open (NO)

  • Normally Closed (NC) safety contact

• Rated Voltage: AC 240 V / DC 24 V (depending on wiring application)

• Rated Current: ≤ 6 A

• Protection Rating: IP65 (dust tight and water spray resistant)

• Operating Temperature: -25 ℃ to +70 ℃

• Storage Temperature: -40 ℃ to +85 ℃

• Mechanical Force: Designed for safety door interlocking action

• Installation Size: Compact design suitable for various guard/door types

• Standards Compliance: Designed to meet relevant safety standards (e.g., ISO 14119, IEC 60947-5-1)

3. Key Advantages & Features

1. Dual Mechanical & Electrical Safety
   Reliable mechanical interlock and electrical output prevent unintended operations.

2. High Protection Rating
   IP65 rating suitable for industrial environments with dust and water exposure.

3. Long Service Life & Reliability
   Designed for high-frequency use with a mechanical life of over one million cycles.

4. Flexible Installation
   Compact construction fits various safety guard and door applications.

5. Easy Integration
   Interfaces directly with safety relays, PLC/Safety PLC inputs, and automation systems.

6. Standards Compliant
   Meets international machine safety requirements for certified safety systems.

4. Typical Applications

• Safety door interlocks on industrial automation lines

• Robot cell safety guard monitoring

• Automatic machine enclosure safety interlock

• Packaging, printing, and textile machine safety systems

• Material handling and sorting equipment safety zones

• CNC machinery and automated workstation safety gates

5. Installation & Usage Notes

1. Mounting Position
   Install at accessible positions where the switch engages/disengages with the door or guard reliably.

2. Wiring Requirements
   Follow safety circuit wiring diagrams exactly to prevent connection errors.

3. Electrical Isolation
   Connect safety outputs to dedicated safety relays or safety PLC inputs; do not mix with standard control circuits.

4. Mechanical Alignment
   Ensure proper alignment between actuator and switch head to avoid mis-trips.

5. Environmental Considerations
   Avoid direct exposure to corrosive atmospheres, extreme humidity, or excessive temperatures.

6. Routine Inspection
   Check switch actuation, contact condition, and wiring integrity periodically to ensure ongoing safe operation.

The structure and details of the product：

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