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SF2KR Series Safety Key Selector Switches

The SF2KR series safety key selector switches are installed in safety fences or industrial equipment doors to control operation of machines, offering additional safety during maintenance in potentially dangerous environments.

Safety Safety switches Key switches TUV S-Mark Operation indicator Operation key Standard type Lock type Multi-direction lock Easy maintenance Up to 4 contact blocks IP65

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Additional Safety for Operation Control

Safety key selector switches are used to control operation during equipment maintenance, providing additional safety to operators.

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Check lock/unlock status with the front solenoid operation indicator (lockable model: SF2KR-M)
Various line-up of key release direction, N.C. contact powered location, and lock location depending on the general / lockable type
Contact block option up to 4 contacts
: N.O. 1+N.C. 2, N.C. 3, N.O. 2+N.C. 2
10 different key types
Sold separately
: Name plate (SF2KR-□-NP□)
: Contact block (SFEA-C□)

Operation Indicator
Various Operation Keys
Protection Rating

240 Different Models Available

The switches are available in various models including 4 types of key release direction, 3 types of N.C. contact powered location, and 10 types of keys depending on the general/lockable models for diverse applications.

Line-up
Lock type	Lock location	Contact block	Key type
Gerneral type	-	N.O.1 + N.C.2 N.C.3 N.O.2 + N.C.2	Basic key & key numbers 1 to 9
	-
	-
	-
Lockable type

The above graph is only for a reference. Please refer to the model information below for details.

Key Lock Function Available

Key selector switches are available in single direction and bi-directional lock types with mechanical/solenoid release methods, preventing unintended mode switching during maintenance.

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Front Operation Indicator

Front operation indicator (green LED) allows users to easily identify solenoid operation status.

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Lock type models only : SF2KR-M□

Ensure Additional Safety with Shared Key

The same key can be used with other key selector switches within or outside the fence, offering additional safety. Operators can enter potentially dangerous areas while possessing the key, preventing key loss or entrapment within the hazardous area.

Example of system configuration for a pair of workers

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- Inside the fence (SF2KR-□)
- Outside the fence (SF2KR-M□)

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240 Different Models Available

Key Lock Function Available

Front Operation Indicator

Ensure Additional Safety with Shared Key

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