MKS Relay with Lockable Test Button


The MK-S Relays have a wider operating temperature and models with lockable test buttons. The test button models also display a nameplate and are ready for order.  


  • UL Rating of 10A NO/NC Contacts at 250VA
  • IEC Rating of 7A 250VAC 50/60Hz, general use 100K Cycles
  • Mechanical indicator standard on all models
  • Optional features including Lockable Test Button, LED Indicator, Diode Surge Suppression, Varistor, and Reverse Polarity
  • Operating Temperature -40ºC to 60ºC (LED Models -25C to 60ºC)
  • Impulse withstand voltage of 4.5kV between coil and contacts (1.2 x 50μs)
  • Approximately 1.4W nominal power for DC Coil Models
  • UL/CUL and TUV Approvals


  • Operation Checks in relay sequence circuits