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Standard Duty Safety Rope Pull Switches

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Item# GLS-GLS-SS-SERIES

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Mount on Machines and Conveyors Which Cannot be Protected by Guards
Protect Conveyors Up to:
GLS Series (Die Cast):
80 m (262.5') Using Two Switches or

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Description

GLS and GLS-SS Series safety rope switches aredesigned to be mounted on machines and sectionsof conveyors which cannot be protected by guards. Incontrast to traditional mushroom head type emergencystop buttons, GLS and GLS-SS Series safety ropeswitches can initiate the emergency command fromany point along the installed rope length and providerobust emergency stop rope pull protection for exposedconveyors or machines. In combination with a dualchannel safety monitoring relay, GLS and GLS-SSSeries safety rope systems can be used as emergencystop devices monitored for up to PLe to ISO13849-1.All GLS and GLS-SS Series safety rope emergencystop switches conform to ISO13850 and EN60947-5-5.They have a positive mechanical linkage between theswitch contacts and the wire rope. The switches havewire-breakage monitoring. On pulling the rope the safetycontacts are positively opened and the auxiliary contactsare closed. The switches are mechanically latched andcan then only be returned to the operational condition bypressing the blue reset button as required by ISO13850.

GLS Series are general/standard duty robust die-castsafety rope pull switch designed to protect conveyorlengths where protection is required up to 80 m (262.5')using two switches or up to 60 m (197') using a singleswitch. They provide a reliable general purpose safetysolution for conveyors and offer a choice of fittingsdepending upon the application. They can be suppliedwith a mushroom type emergency stop button whichcan be fitted to the side of the switch to offer an extratraditional emergency stop function close to the switch,or can be fitted later after installation without any extrawiring. A bi-color LED is also available to show switchstatus from a distance. Rugged internal sealing bellowsmeans the GLS Series can be high pressure hosed andthey are suitable for internal or external use.

The GLS-SS Series are general/standard duty stainlesssteel safety rope pull switches designed to protectlong conveyor lengths up to 100 m (328'). The 316 SShousings are designed specifically to withstand the harshenvironments found in the food and pharmaceuticalindustries. The fixing holes are under the cover ofthe switch to prevent food trap areas and will survivechemical and detergent washdown by providing allstainless steel parts and robust IP67 and IP69K sealingby using integral bellows and gaskets. An easily visiblebi-color LED is available to show switch status from adistance. Shorter rope spans up to 80 m (262.5') can beachieved by using just one switch therefore making acost effective solution and reducing electrical wiring runs.

Specifications
Standards: EN60947-5-1, EN60947-5-5, EN62061, UL508, ISO13850, ISO13849-1
SAFETY CLASSIFICATION AND RELIABILITY DATA
Mechanical Reliability B10d: 1.5 x 10⁶ operations at 100 mA load
ISO13849-1: Up to PLe depending upon system architecture
EN62061: Up to SIL3 depending upon system architecture
Safety Data–Annual Usage: 8 cycles per hour/24 hours perday/365 days
PFHd: <1.0 x 10^-7
Proof Test Interval (Life): 21 years
MTTFd: 214 years
Enclosure Material:
    GLS Series: Die cast (painted yellow)
    GLS-SS Series: 316 SS
IP Rating:
    GLS Series: NEMA 6 (IP67)
    GLS-SS Series: NEMA PW12 (IP67K), NEMA 6 (IP67)
Rope Span:
    GLS: Up to 80 m (262.5') (2 switches), 60 m (197') (1 switch)
    GLS-SS: Up to 100 m (328') (2 switches), 80 m (262.5')(1 switch)
Rope Tension Device: Tensioner/gripper (quick fixing)
Rope Type: 4.00 mm outside dia, steel inner, PVC sheath
Mounting: 4 x M5
Mounting Position: Any
Conduit Entries: 3 x ¹/₂ NPT
Tongue Settings: Mounting M5 4.0 Nm, Lid T20 Torx M4 1.5Nm, Terminals 1.0 Nm
Operating Ambient Temperature: -25 to 80°C (-13 to 176°F)
Vibration Resistance: 10 to 500 Hz, 0.35 mm
Shock Resistance: 11 ms, 15 g
Tension Force (Typical Mid Setting): 130N
Typical Operating Force (Rope pulled): <125N, <300 mm deflection
Contact Type: EN60947-5-1, double break type Zb, snap action 3 NC (positive break) 1 NO (auxiliary)
Contact Material: Silver
Termination: Clamp up to 2.5 mm² conductors
Rating:
    GLS: Utilization category AC15
    GLS-SS: Utilization category AC15, A300
Operational Rating: 240V 3 A
Thermal Current (lth): 10 A
Rated Insulation Voltage (U): 500V
Withstand Voltage (Uimp): 2500V
Short Circuit Overload Protection: Fuse externally 10A (FF)
Weight:
    GLS Series: 735 g (26 oz)
    GLS-SS Series: 1815 g (64 oz)

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