IDIS-1 Interlock Switch
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IDIS-1 Tognue Interlock Switches


IDEM Safety SwitchesIDEM IDIS-1 Compact Safety Interlock Switches are designed to provide position interlock detection for small moving guards.

The IDEM IDIS-1 is designed to fit to the leading edge of sliding, hinged or lift off machine guards.

The rugged Stainless Steel actuator is designed to match a cam mechanism to provide a positively operated not easily defeatable interlock mechanism.

The compact body, 22mm fixing profile and rotatable head make them easy to install where space is restricted. A Plastic Flexible Actuator is available for tight radius guards.

Contact blocks are replaceable with optional slow or snap break operation.


IDIS-1 Application

IDIS-1 Tongue (Key) Interlock Switches are designed to be mounted for interlock position sensing of hi nged moving guards.

They can be fitted to the leading edge of sliding, hinged or lift off guards.

They have positive opening contacts in accordance w ith IEC 60947-5-1 and the switch design offers a tamper resistant actuator key. They are available with either an angled or flat actuator fixing to cover most fixing positions and contact blocks are available in slow make/break 2NC 1NO, 3NC or 1NC 1NO snap action. Enclosures are protected to IP67.


IDIS-1 Operation

Operation of the switches is achieved by withdrawin g the actuator key from the switch to cause deflect ion of the switch plunger.

Positive actuation of the contacts is achieved at 5 mm withdrawal of the actuator.


IDIS-1 Main Features

Standards: EN1088 IEC 60947-5-1 EN60204-1
ISO 13849-1 EN62061 EN954-1 UL508
Safetey Classifiaction and Reliability Data  
Mechanical Reliability B10D 2.5x 106 operations at 100mA load
EN954-1 up to Category 4 with Safety Relay
ISO 13849-1 up to PLe depending upon system architecture
EN 62061 up to SIL3 depending upon system architecture
Safety Date - Annual Usage 8 cycles per hour / 24 hours per day / 365 days
PFHd 3.44 x 10-8
Proof Test Interval (Life) 35 years
MTTFd 356 years
Utilisation Category AC15 A300 3A
Thermal Current (lth) 5A
Rated Insulation / Withstand Voltages 600VAC / 2500VAC
Travel for Positive Opening 6mm
Actuator entry minimum radius 175mm Standard 100mm Flexible
Maximum Approach / Withdrawal speed 600mm/s
Body Material Polyester
Enclosure Protection IP67
Operating Temperature -25C. +80C
Vibration IEC 68-2-6, 10-55Hz+1Hz,
Excursion: 0.35mm, 1octave/min
Conduit Entry Various
Fixing 2 x M4

For more information about IDEM IDIS-1 Tongue operated Safety Interlock Switches, contact More Control on 0345 00 00 400.

Office Address 

21 Drakes Mews
Crownhill Industrial Estate
Milton Keynes
MK8 0ER

Tel: 0345 00 00 400

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