Keyence GS-M51P Safety Interlock Switch
Safety Interlock Switch, Standard Model, 500N locking force, PNP output, M12 connector type (8-pin), PLe/SIL3/Category 4 safety rating, IP65/67 enclosure rating, 2 OSSD safety outputs, 1 AUX output, Power-to-lock function, 45mm minimum door radius, electromagnetic locking mechanism.
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Key Features and Technical Specifications
Old switches break when doors sag. This one does not. It has a floating part. It fits even if the door is not perfect. It is small. It fits in tight spots. It is flush with the machine. Dirt does not get stuck. You can clean it with a wipe. It is easy to see. The big light shows you the status. Green means locked. Red means open.
| Feature | Details |
|---|---|
| Model | GS-M51P |
| Type | Standard Model (Hinged Door) |
| Locking Force | 500 N |
| Output Method | PNP |
| Connection | M12 Connector (8-pin) |
| Safety Rating | PLe, Category 4, SIL3 |
| Enclosure Rating | IP65 / IP67 |
| Operating Temp | -20 to 55°C (No freezing) |
| Auxiliary Output | 1 (Open/Close Link Mode) |
Strong 500N Locking Force for Real Security
A weak lock is dangerous. This safety interlock is small but mighty. It holds with 500N of force. It uses an electromagnet. There is no latch to jam. It grabs the door and holds it. Your machine stays closed. Your workers stay safe. The 500N force ensures the process is not interrupted by accident.
Fast Setup with PNP and M12 Connector Type
The GS-M51P makes it fast. It uses an M12 connector type. You just plug it in. It is a PNP device. This is a standard type. It fits many systems. You can even link them. Connect many switches in a row. You save wire. You save inputs on your controller.
See Status Instantly with Keyence GS-M51P Safety Interlock Switch
The Keyence GS-M51P safety interlock switch has a big light. It is very bright. You can see it from the side. You can see it from below. Green means it is safe and locked. Blinking green means closed but unlocked. Red means open. You spot trouble fast. You fix it fast.
Frequently Asked Questions
No, this is a Power-to-Lock model. If power is lost, it unlocks. This protects your machine process but allows exit.
Yes. It is rated IP65 and IP67. It can handle water and dust. The flush design makes it easy to wipe clean.
It handles a lot. It allows for ±5 mm of lateral movement. It also supports a tilt of ±4 degrees.
No, you do not need one, but you can add one. The switch works as a magnetic catch. It holds the door shut even when unlocked.
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B557,South Pearl Building,Sanlian Road,Longhua,Shenzhen,China
- +86 755 81481609
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- www.kwoco-plc.com
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