Leading Manufacturer of Safety Interlock Switches and Machine Guard Safety Switch Devices for Automation and Process Safety

Hinge Door Safety Interlock Switch (HS-SS)

The HS-SS has been designed to be fitted to the hinged axis of machine guard doors and provide a robust hinge function in addition to interlock position sensing. Enclosures are protected to IP67 and IP69K with a low profile, hygienic design for washdown.

  • Housing: Mirror Polish (Ra4), 316 Stainless Steel
  • Axial Holding Force: 800N
  • Contacts: 3NC 1NO, or 2NC 2NO
  • Ingress Protection: IP69K
  • Activation Type: Left or Right Hand Versions Available
  • Mounting is achieved by fixing the switch from underneath. If you require front fixing, separate mounting bracket accessories can be purchased.
Part No.Part Description
350001HS-SS Right 5M 3NC 1NO
350002HS-SS Right 10M 3NC 1NO
350003HS-SS Right QC-M12 3NC 1NO
350004HS-SS Right 5M 2NC 2NO
350005HS-SS Right 10M 2NC 2NO
350006HS-SS Right QC-M12 2NC 2NO
350007HS-SS Left 5M 3NC 1NO
350008HS-SS Left  10M 3NC 1NO
350009HS-SS Left QC-M12 3NC 1NO
350010HS-SS Left 5M 2NC 2NO
350011HS-SS Left 10M 2NC 2NO
350012HS-SS Left QC-M12 2NC 2NO

Technical Data
ApprovalscULus
TechnologyHinge cam
Housing Material316 Grade Stainless Steel
Contact Configuration3 N/C + 1 N/O, or 2 N/C + 2 N/O
Utilization CategoryAC15 A300 3A
Thermal Current (lth)10A
Overload protection fuse (fuse externally)10A. (FF)
Rated Insulation/Withstand Voltages600VAC/2500VAC
Actuator Rotation for Positive Opening6 degrees 0.5Nm (Type Zb contacts)
Maximum Approach Withdrawal Speed600mm/s
Enclosure ProtectionIP67, IP69K (QC versions IP67 at the connector)
Operating Temperature -25 ... +80 °C
VibrationIEC 68-2-6 10-55Hz+1Hz Excursion: 0.35mm, 1 octave/min
Fixing7 x M5
Tightening Torque (all mounting bolts)4Nm
Mounting PositionAny
Pollution Degree3
Short Circuit Overload ProtectionFuse externally 10A (FF)
AltitudeMax. Altitude 2000m
HumidityRelative Humidity 90% at 20 ºC (Non-Condensing)

Safety Classification & Reliability Data
Mechanical Reliability B10d1.5 x 10 6 operations at 100mA load
ISO 13849-1Up to PLe depending upon system architecture
EN62061Up to SIL3 depending upon system architecture
Safety Data – Annual Usage8 cycles per hour/24 hours per day/365 days MTTFd 356 years

Information with regards to UL standards
Electrical Rating: Pilot Duty 30VAC, 45VA-450VA make / 45 VA break; 2.5A thermal 36VDC, 55VA make / break Maximum ambient temperature 50ºC (Connector versions: 30V. AC/DC 2A. Max.)