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IDEM - Stainless steel IP69K safety interlock switch MK1-SS

  • Compact with 22mm fixing centres
  • Mirror polished finish
  • Small 30mm wide x 99mm long
  • Replaceable contact blocks
  • Standard or flexible actuator

Product description

IDEM’s new MK1-SS Compact Safety Interlock switches are designed to provide position interlock detection for small moving guards.

They are designed  to fit to the leading edge of sliding, hinged or lift off machine guards.

Mirror polished surface finish to RA10 makes the MK1-SS ideally suited to the food processing and packaging environments.

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

The compact body, 30mm wide with 22mm fixing centres and rotatable head make them easy to install where space is restricted.

The rotatable heads have dual actuator entry positions to give up to 8 different entry positions.

A Plastic Flexible Actuator is available for tight radius guards.

Contact blocks are replaceable.


The head can be rotated to give 8 actuator entry positions.


Designed with a removable lid to fit replaceable contact blocks. For extra durability flexible actuators are available. 

Number of variants matching filter 12/12 |

Part numbers

Parts Price Actuator Conduit entry
Not included M20
Standard M20
Flat M20
Plastic flexible M20
Not included 1/2" NPT
Standard 1/2" NPT
Flat 1/2" NPT
Plastic flexible 1/2" NPT
Not included M12 8 Pole
Standard M12 8 Pole
Flat M12 8 Pole
Plastic flexible M12 8 Pole


MK1-SS M20 '2NC 1NO'

Technical data

Actuator Not included
Annual usage 8 cycles per hour/24 hours per day/365 days
Approvals ISO 14119, EN60947-5-1, EN60204-1, ISO 13849-1, EN62061, UL 508
Conduit entry M20
Contacts 2NC 1NO
Head material Stainless steel 316
Housing material Stainless steel 316
IP class IP69K
Maximum approach / withdrawal speed 600 mm/s
Mechanical reliability B10d 2.5 x 10⁶ operations at 100mA load
Mounting 2 x M4
MTTFd 356 years
Operating temperature -25..80°C
PFHd 3.44 x 10⁻⁸
PL e acc. ISO13849-1
Rated insulation voltage 600V ac
SIL 3 acc. EN62061
Thermal current (lth) 5 A
Travel for positive opening 6 mm
Withstand voltage 2500V ac


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