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Siemens Safety Keyswitch for Extension Units (22mm)

Siemens 22mm Safety Keyswitch for Extension Units

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ManufacturerSiemens
Part number6AV7674-1ME50-0AA0
Part Number 6AV7674-1ME50-0AA0
Manufacturer Siemens
Type Safety Keyswitch
Actuator Type Key Operated
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Safety function for machine control 22mm standard mounting Latching operation with key removal 2 Normally Open (NO) contacts Durable plastic construction IP65 rated front for protection

The Siemens 6AV7674-1ME50-0AA0 is a safety keyswitch designed for use with Extension Units in industrial automation systems. This 22 mm round, plastic keyswitch offers a latching operation and comes with two keys. It features two normally open (NO) contacts, providing reliable signaling for safety circuits. The key can be removed in the '0' (off) position, adding an extra layer of security.

This keyswitch is ideal for applications requiring controlled access or safe shutdown of machinery. Its robust construction and 22 mm mounting diameter make it suitable for integration into control panels and operator stations. The unit includes the keyswitch, a printed circuit board with a contact module, and mounting accessories for easy installation.

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Part Number6AV7674-1ME50-0AA0
ManufacturerSiemens
TypeSafety Keyswitch
Actuator TypeKey Operated
Mounting Size22 mm
ShapeRound
MaterialPlastic
OperationLatching
Switch Positions2 (0-1)
Key RemovalIn position 0
Contact Configuration2 NO
Voltage Rating24 V DC
Current Rating100 mA
IP RatingIP65 (front)
Includes2 keys, PCB with contact module, mounting accessories
Machine Safety Interlocks
Emergency Stop Circuits
Access Control
Production Line Safety
Control Panel Integration
Safety Gate Monitoring
Siemens Extension Units SIMATIC PRO devices Safety-rated control systems 24V DC control circuits
Siemens Extension Unit Keyswitch 6AV76741ME500AA0 Siemens 22mm Safety Switch
Compatible with Siemens Extension Units for SIMATIC PRO devices and other applications requiring a 22mm safety keyswitch.
Expert tip
This keyswitch is designed for safety applications and should be integrated into a safety-rated control system, adhering to relevant safety standards (e.g., EN ISO 13849).
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What safety features does the Siemens 6AV7674-1ME50-0AA0 keyswitch offer?
The Siemens 6AV7674-1ME50-0AA0 is a safety keyswitch with 2 NO contacts, designed for secure operation. It features a latching mechanism and allows key removal in the '0' position, ensuring that machinery can only be operated when intentionally activated and secured.