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

Guardian Line Mini Duty Rope Pull Safety Switches with Indication (GLM with LED)

The GLM mini duty safety rope pull switch has been designed to protect short to medium conveyor lengths, where protection is required up to 50m (using 2 switches) or up to 30m (using 1 switch).


  • Body Material: Die-Cast Metal; Painted Yellow
  • Ingress Protection: IP67
  • Contacts: 3-Pole or 4-Pole Contacts
  • LED Voltage: 24Vdc, 110Vac or 230Vac
  • Cable Length (1 Switch): 30m
  • Cable Length (2 Switches): 50m
Part No. Part Description
143062-AS GLM M20 3NC 1NO Steady LED 24V
143062A GLM M20 3NC 1NO LED 24V
143062B GLM M20 3NC 1NO LED 110V
143062C GLM M20 3NC 1NO LED 230V
143063A GLM ½NPT 3NC 1NO LED 24V
143063B GLM ½NPT 3NC 1NO LED 110V
143063C GLM ½NPT 3NC 1NO LED 230V
143064A GLM M20 2NC 2NO LED 24V
143064B GLM M20 2NC 2NO LED 110V
143064C GLM M20 2NC 2NO LED 230V
143065A GLM ½NPT 2NC 2NO 24V
143065B GLM ½NPT 2NC 2NO 110V
143065C GLM ½NPT 2NC 2NO 230V
143066-AS GLM M20 3NC 1NO E Stop & Steady LED 24V
143066A GLM M20 3NC 1NO E Stop & LED 24V
143066B GLM M20 3NC 1NO E Stop & LED 110V
143066C GLM M20 3NC 1NO E Stop & LED 230V
143067-AS GLM ½”NPT 3NC 1NO E Stop & Steady LED 24V
143067-BS GLM ½”NPT 3NC 1NO E Stop & Steady LED 110V
143067A GLM ½NPT 3NC 1NO E Stop & LED 24V
143067B GLM ½NPT 3NC 1NO E Stop & LED 110V
143067C GLM ½NPT 3NC 1NO E Stop & LED 230V
143068-AS GLM M20 2NC 2NO E Stop & LED 24V
143068A GLM M20 2NC 2NO E Stop & LED 24V
143068B GLM M20 2NC 2NO E Stop & LED 110V
143068C GLM M20 2NC 2NO E Stop & LED 230V
143069A GLM ½NPT 2NC 2NO E Stop & LED 24V
143069B GLM ½NPT 2NC 2NO E Stop & LED 110V
143069C GLM ½NPT 2NC 2NO E Stop & LED 230V

Technical Data
ApprovalsTUV, cULus
TechnologySafety Rope Pull Switch
Housing Material Yellow Painted Die-Cast Metal
Operating Temperature-25 ... +80 °C (-40C. for -FZ versions)
Enclosure ProtectionIP67
Rope SpansUp to 50m
Rope Type4.0mm Outside Dia. Steel inner-PVC sheath
Mounting4 x M5
Torque settingsMounting M5 4.0 Nm Lid T20 Torx M4 1.5 Nm Terminals 1.0 Nm
Vibration resistance10-500Hz 0.35mm
Shock resistance15g 11ms
Tension Force (typical mid setting)130N
Typical Operating Force (Rope pulled)< 125N. < 300mm Deflection
Safety Contact typeIEC 60947-5-1 Double break Type Zb
TerminationClamp up to 2.5 sq. mm conductors
RatingUtilisation Category : AC15
Operational RatingAC15 A300 240V. 3A /120V 6A. ac 24V. 2.5A dc inductive
Thermal Current (Ith)10A
Rated Insulation Voltage (Ui)500V
Withstand Voltage (Uimp)2500V
Short Circuit Overload ProtectionFuse Externally 10A. (FF)

Safety Classification and Reliability Data
Mechanical Reliability B10d1.5 x 10 6 operations at 100mA load
ISO 13849-1up to Category 4 with Safety Relay
ISO 13849-1up to PLe depending upon system architecture
EN 62061up to SIL3 depending upon system architecture
Safety Data - Annual Usage8 cycles per hour / 24 hours per day / 365 days MTTFd 214 years

Information with regard to UL 508
Type 1 Enclosures. Temperature rating 80C. Use 16 - 12AWG copper conductors, rated 75ºC only. Intended for same polarity use and one polymeric conduit connection. Electrical Rating: A300 240V.ac 3A. (6,000 cycles) 120V. 60A. Making 6A. Breaking PF >0.38 (100,000 cycles) 240V. 10A. carry only. Wire range: 16AWG – 12AWG Copper Torque 7lb/in (0.8Nm) LED powered by LVLC or Class 2 only. Earth bonding terminal inside enclosure if required.