Safety door switches are installed in fences of potentially dangerous machines and areas to monitor opening and closing of doors.
Safety Door Switch Products and Features
SFDL2 Series Safety Flat Type Door Lock Switches
The SFDL2 series safety flat type door lock switches can detect opening and closing of doors in machines, and also keep the door locked during potentially dangerous operation. The switches are also available in release button models for additional safety.
Slim size W 90 x H 105 x D 35.5 mm- Head unit can be rotated to change insert direction of operation key
- Various contact types (up to 6-contacts)
- Manual unlock function (release key) for emergencies during installation or testing
- Two lock-release methods: mechanical lock-solenoid release, solenoid lock-mechanical release models
- Different installation types depending on operation key insertion position: front / rear installation models
- Excellent strength and durability with metal head model
SFN Series Safety Non-Contact Door Switches
The SFN series safety non-contact door switches utilize magnetic type detection to monitor opening and closing of doors. The switches can be installed vertically or horizontally, and can also be installed from both sides.
Electromagnetic induction method- Control up to 30 units with a single controller (SFC-N)
- Easy installation with cable connector models and cable/connector accessories
- Stable detection of actuators in front/rear, top/bottom, right/left direction doors
- U-shaped design with 2-color operation indicators visible from 3 sides (ON: green, OFF: red)
- IP67 protection structure (IEC standard)
- SIL 3, PL e rating when used with SFC-N series safety non-contact switch controllers
SFD Series Safety Door Switches
The SFD series safety door switches can detect opening and closing of doors in machines. The door switches are available in terminal type and connector type models, making it easier for installation in diverse application settings.
- Head unit can be rotated to change insert direction of operation key: Operation key can be inserted from 5 directions (top/sides)
- Various contact types: 1 N.C. + 1 N.O., 2 N.C., 2 N.C. + 1 N.O., 3 N.C.
- Connector type (easy installation) and terminal type (easy maintenance) available
- Metal or plastic head types available
SFDL Series Safety Door Lock Switches
The SFDL series safety door lock switches can detect opening and closing of doors in machines, and also keep the door locked during potentially dangerous operation.
Head unit can be rotated to change insert direction of operation key: Operation key can be inserted from 5 directions (top/sides)- Various contact types: : 4-contact (connected), 4-contact (not connected), 5-contact, 6-contact
- Connector type (easy installation) and terminal type (easy maintenance) available
- Manual unlock function (release key) for emergency and testing: Standard (cross) type and special type release keys available
- Minimized solenoid heat with stable current supply
- High durability with metallic head
- Various applications with slide key unit accessory
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.
- 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
Download Autonics Safety Product Catalog
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Safety door switches are installed in fences of machines and areas to monitor the opening and closing of doors.