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

Safety Limit Switch in Die Cast with Lever Arm (HLM-AL)

The lever arm limit switches from IDEM Safety are designed to be mounted for position sensing of moving applications e.g., guard doors, conveyors, machine beds, elevators etc. The internal contact block is positively operated to comply with IEC 60947-5-1.

  • Material: Painted Die-Cast Body / Stainless Steel Head
  • Actuation: Lever Arm
  • Ingress Protection: IP67
Part NumberPart Description
174251HLM Lever Arm M20 2NC 2NO
174252HLM Lever Arm ½NPT 2NC 2NO
174253HLM Lever Arm QC-M23 2NC 2NO
174254HLM Lever Arm M20 3NC 1NO
174255HLM Lever Arm ½NPT 3NC 1NO
174256HLM Lever Arm QC-M23 3NC 1NO
174257HLM Lever Arm M20 4NC
174258HLM Lever Arm ½NPT 4NC
174259HLM Lever Arm QC-M23 4NC
174260HLM Lever Arm M20 1NC 1NO Snap
174261HLM Lever Arm ½NPT 1NC 1NO Snap
174262HLM Lever Arm QC-M23 1NC 1NO Snap

Gold plated contacts are available for circuits with low power (5V 5mA).

Technical Data
Housing MaterialPainted Die-Cast Aluminum
Lever Material316 Grade Stainless Steel
Enclosure ProtectionIP67
Operating Temperature-25 ... +80 °C
Typical operating parameters0.4Nm Torque 15-30 degrees contact changeover
VibrationIEC 68-2-6, 10-55Hz 0.35mm
Conductor size1.5 sq.mm
FixingM5 Bolts
Positive Opening OperationNC Contacts
Utilization CategoryAC15 A300 240V. 3A
Min Current5V, 5mA, DC
Thermal Current (Ith)10A
Rated Impulse Withstand Volt2500VAC

Information with regard to UL Standards
Type 1 Enclosures. Use 16 - 12AWG copper conductors, rated 75ºC minimum. Intended for same polarity use. Electrical Rating: A300 240V.ac 3A. (6,000 cycles) 240V. 10A. carry only. Wire range: 16AWG – 12AWG Copper Torque 7lb/in (0.8Nm) Earth bonding terminal inside enclosure if required.