Comparison : Item # SFDL-SDK, -10 to 55 Degree Celcius (ºC) Non-Freezing or Non-Condensation Ambient Humidity Safety Switch Safety Switch
Item # SFN-M-W, 24 Volts (V) Direct Current (DC) Voltage Power Supply Safety Switch
Item # SFN-M-050, 24 Volts (V) Direct Current (DC) Voltage Power Supply Safety Switch
Item # SFN-M-020, 24 Volts (V) Direct Current (DC) Voltage Power Supply Safety Switch
Item # SFDL-SD-M20K, Safety Door Lock, Solenoied Lock/Mechanical Release, and 4-Contact (Connected) Safety Switch