K-15 Kobra Switches
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K-15 Kobra Tongue Switch

IDEM Safety SwitchesIDEM K-15 Kobra Tongue Switch is designed to provide position interlock detection for moving guards. The Kobra K-15 comes in both plastic and in Stainless Steel variations as the K-15-SS.

 

The IDEM K-15 is designed to fit to the leading edge of sliding, hinged or lift off machine guards.

They offer a compact 86mm long body to fit to applications where space is restricted, yet offer 3 pole contacts and choice of 3 conduit entries for wiring versatility.

The head can be rotated to give 4 actuator entry positions. For extra durability, flexible actuators and stainless steel head versions are available.

Contact blocks are also replaceable.

Application and Operation

Tongue operated Safety Interlock Switches are designed to fit to the leading edge of sliding, hinged or lift off machine guards to provide positively operated switching contacts and provide a tamper resistant actuator mechanism.

They are designed to provide robust position interlock detection for moving guards. The switch is rigidly mounted to the frame of the guard or machine. The actuator is fitted to the moving part (frame) of the guard and is aligned to the switch entry aperture.

The actuator profile is designed to match a cam mechanism within the switch head and provides a positively operated not easily defeatable interlock switch. When the actuator is inserted into the switch the safety contacts close and allow the machine start circuit to be enabled. When the actuator is withdrawn the safety contacts are positively opened and the machine circuit is broken

 

K-15 & K-15-SS 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) 10A
Rated Insulation / Withstand Voltages 500VAC / 2500VAC
Actuator Travel/Force for Positive Opening 6mm/12N
Actuator entry minium radius 175mm Standard 100mm Flexible
Maximum Approach / Withdrawal Speed 600mm/s
Body Material Polyester
Head Material Polyester or Stainless Steel 316
Enclosure Protection IP67
Operating Temperature -25C. +80C
Vibration IEC 68-2-6, 10-55Hz+1Hz
Excusion: 0.35mm, 1 octave/min
Conduit Entry Various
Fixing 2 x M5

For more information about the IDEM K-15 Kobra Tongue Switch, 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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