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

Guardian Line Standard Duty Rope Pull Safety Switches (GLS-SS)

The GLS-SS standard duty safety rope pull switch has been designed to protect medium to long conveyor lengths, where protection is required up to 100m (using 2 switches) or up to 80m (using 1 switch).

  • Body Material: Stainless Steel 316
  • Ingress Protection: IP69K
  • Contacts: 3-Pole or 4-Pole Contacts
  • Cable Length (1 Switch): 80m
  • Cable Length (2 Switches): 100m
Part No.Part Description
144001GLS-SS M20 3NC 1NO
144001-FZGLS-SS M20 3NC 1NO (-40° version)
144001-GCGLS-SS M20 3NC 1NO with gold contacts
144001-GC-VGLS-SS M20 3NC 1NO with Gold Contact & Viton Seal
144001-VGLS-SS M20 3NC 1NO with VITON seals
144002GLS-SS ½NPT 3NC 1NO
144002-FZGLS-SS ½NPT 3NC 1NO (-40° version)
144003GLS-SS M20 2NC 2NO
144003-FZGLS-SS M20 2NC 2NO (-40° version)
144004GLS-SS ½NPT 2NC 2NO
144004-FZGLS-SS ½NPT 2NC 2NO (-40° version)
144005GLS-SS M20 4NC
144005-FZGLS-SS M20 4NC (-40° version)
144006GLS-SS ½NPT 4NC
144006-FZGLS-SS ½NPT 4NC (-40° version)
144013GLS-SS M20 3NC 1NO E stop
144013-FZGLS-SS M20 3NC 1NO E stop -(-40° version)
144014GLS-SS ½NPT 3NC 1NO E stop
144014-FZGLS-SS ½NPT 3NC 1NO E stop (-40° version)
144015GLS-SS M20 2NC 2NO E stop
144015-FZGLS-SS M20 2NC 2NO E stop -(-40° version)
144016GLS-SS ½NPT 2NC 2NO E stop
144016-FZGLS-SS ½NPT 2NC 2NO E stop (-40° version)
144017GLS-SS M20 4NC E stop
144017-FZGLS-SS M20 4NC E stop (-40° version)
144018GLS-SS ½NPT 4NC E stop
144018-FZGLS-SS ½NPT 4NC E stop (-40° version)

FZ models for temperatures down to -40°C.

Technical Data
ApprovalsTUV, cULus
TechnologySafety Rope Pull Stop,
Housing Material316 Grade Stainless Steel
Operating Temperature-25 ... +80 °C
Enclosure ProtectionIP67, IP69K (NEMA 6)
Rope SpansUp to 100m
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 resistance 10-500Hz 0.35mm
Shock resistance 15g 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
ISO13849-1up 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.