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Q: What is the function of a safety relay?

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Q: What is the function of a safety relay?

Update Time:2025/6/11
The role of safety relays is to ensure that industrial equipment can stop operating reliably and safely in an emergency, thereby protecting personnel and equipment. Its main functions include:

1. Realize safety control logic: such as dual-channel input monitoring, interlocking, redundancy, etc.

2. Connect safety devices: such as emergency stop buttons, safety light curtains, safety door locks, two-hand buttons, etc.

3. Perform forced disconnection: immediately cut off the power supply to dangerous equipment when a fault or safety condition is triggered.

4. Safety level guarantee: meet the requirements of safety standards such as ISO 13849-1 and IEC 61508.

In short:
👉 Safety relays are the core components of safety control systems and are used to achieve reliable shutdown protection.
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