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 (GLM-SS)

The GLM-SS 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: Stainless Steel 316
  • Ingress Protection: IP69K
  • Contacts: 3-Pole or 4-Pole Contacts
  • Cable Length (1 Switch): 30m
  • Cable Length (2 Switches): 50m
Part No. Part Description
148001 GLM-SS M20 2NC 1NO
148002 GLM-SS ½NPT 2NC 1NO
148003 GLM-SS M20 3NC
148004 GLM-SS ½NPT 3NC
148005 GLM-SS M20 2NC 1NO E Stop
148006 GLM-SS ½NPT 2NC 1NO E Stop
148007 GLM-SS M20 3NC E Stop
148008 GLM-SS ½NPT 3NC E Stop
148050 GLM-SS M20 3NC 1NO
148051 GLM-SS ½NPT 3NC 1NO
148052 GLM-SS M20 2NC 2NO
148053 GLM-SS ½NPT 2NC 2NO
148054 GLM-SS M20 4NC
148055 GLM-SS ½NPT 4NC
148056 GLM-SS M20 3NC 1NO E Stop
148057 GLM-SS ½NPT 3NC 1NO E Stop
148058 GLM-SS M20 2NC 2NO E Stop
148059 GLM-SS ½NPT 2NC 2NO E Stop
148060 GLM-SS M20 4NC E Stop
148061 GLM-SS ½NPT 4NC E Stop

Technical Data
ApprovalsTUV, cULus
TechnologySafety Rope Pull Stop
Housing Material 316 Grade Stainless Steel
Operating Temperature-25 ... +80 °C
Enclosure ProtectionIP67, IP69K (NEMA 6)
Rope SpansUp to 50m
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 resistance 15g 11ms
Tension Force (typical mid setting) 130N
Typical Operating Force (Rope pulled)< 125N. < 300mm Deflection
Safety Contact type IEC 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 106 operations at 100mA load
ISO13849-1 up 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.