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Heavy-Duty Safety Rope Pull Switches

GLHD Series

Safety Rope Switches | Heavy Duty | GLHD Series
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Safety Rope Switches | Heavy Duty

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1 year warranty CE
  • Mount on Machines and Conveyors Which Cannot be Protected by Guards
  • Protect Conveyors Up to: 250 m (820') Using Two Switches or 200 m (656') Using a Single Switch
  • Mushroom Type Emergency Stop Button
  • Reset Button–Push to Reset Following Switch Activation by Rope Pull
  • Wire-Breakage Monitoring
Sensors and Transducers - View related products

Description

GLHD Series safety rope switches are designed to be mounted on machines and sections of conveyors which cannot be protected by guards. In contrast to traditional mushroom head type emergency stop buttons, GLHD Series safety rope switches can initiate the emergency command from any point along the installed rope length and provide robust emergency stop rope pull protection for exposed conveyors or machines.

In combination with a dual channel safety monitoring relay, GLHD Series safety rope systems can be used as emergency stop devices monitored for up to PLe to ISO13849-1. All GLHD Series safety rope emergency stop switches conform to ISO13850 and EN60947-5-5. They have a positive mechanical linkage between the switch contacts and the wire rope. The switches have wire-breakage monitoring. On pulling the rope the safety contacts are positively opened and the auxiliary contacts are closed. The switches are mechanically latched and can then only be returned to the operational condition by pressing the blue reset button as required by ISO13850.

GLHD Series are heavy-duty safety rope pull switches designed to protect long conveyor lengths up to 250 m (820'). The die-cast housings are robust to survive indoor or outdoor use including washdown NEMA 6 (IP67) rating. Lengths over 2 Km can be achieved with less than 20 switches. An easily visible bi-color LED is available to show switch status from a distance. GLHD Series switches have 4NC 2NO contacts to ensure flexibility with all modern control applications. Shorter rope spans up to 200 m (656') can be achieved by using just one switch therefore making a cost 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 per day/365 days
PFHd: <1.0 x 10-7
Proof Test Interval (Life): 21 years
MTTFd: 214 years
Enclosure/Cover Material: Die-cast (painted yellow)
External Parts: Stainless steel
IP Rating: NEMA 6 (IP67)
Rope Span: 250 m (820') dual head
Rope Tension Device: Tensioner/gripper (quick fixing)
Rope Type: 4 mm (15.75") outside dia, steel inner, PVC sheath
Mounting: 4 x M5
Mounting Position: Any
Conduit Entries: 4 x 1/2 NPT
Tongue Settings: Mounting M5 4.0 Nm, Lid T20 Torx M4 1.5 Nm, Terminals 1.0 Nm
Operating Ambient Temperature: -25 to 80°C (-13 to 176°F)
Vibration Resistance: 10 to 500 Hz, 0.35 mm (0.013")
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 4NC (positive break) 2NO (auxiliary)
Contact Material: Silver
Termination: Clamp up to 2.5 mm2 conductors
Rating: Utilization category AC15 A300
Operational Rating: 240V 3A
Thermal Current (lth): 10A
Rated Insulation Voltage (U): 500V
Withstand Voltage (Uimp): 2500V
Short Circuit Overload Protection: Fuse externally 10A(FF)
Weight: 1350 g (48 oz)

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Part Number/ Desc.
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Description
Heavy-Duty Safety Rope Pull Switches
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GLHD-141042
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Heavy-duty safety rope pull switch, 4 NC 2 NO contacts, 4 x 1/2 NPT conduit entry
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GLHD-141002A
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Heavy-duty safety rope pull switch, 4 NC 2 NO contacts, 4 x 1/2 NPT conduit entry, E-Stop, 24 Vdc LED
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GLHD-141002B
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Heavy-duty safety rope pull switch, 4 NC 2 NO contacts, 4 x 1/2 NPT conduit entry, E-Stop, 110 Vac LED
Accessories
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140001
$58.00
Available In 3 Weeks
 
Rope kit, galvanized, 5 m (16.4')
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140002
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Rope kit, galvanized, 10 m (32.8')
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140003
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Rope kit, galvanized, 15 m (49.2')
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140004
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Rope kit, galvanized, 20 m (65.6')
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140005
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Rope kit, galvanized, 30 m (98.4')
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140006
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Rope kit, galvanized, 50 m (164.1')
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140007
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Rope kit, galvanized, 80 m (262.5')
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140008
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Rope kit, galvanized, 100 m (328.1')
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140009
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Rope kit, galvanized, 126 m (413.4')
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140010
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Rope kit, stainless steel, 5 m (16.4')
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140011
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Rope kit, stainless steel, 10 m (32.8')
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140012
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Rope kit, stainless steel, 15 m (49.2')
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140013
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Rope kit, stainless steel, 20 m (65.6')
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140014
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Rope kit, stainless steel, 30 m (98.4')
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140015
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Rope kit, stainless steel, 50 m (164.1')
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140016
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Rope kit, stainless steel, 80 m (262.5')
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140017
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Rope kit, stainless steel, 100 m (328.1')
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140018
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Rope kit, stainless steel, 126 m (413.4')
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140019
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Tensioner gripper, galvanized
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140020
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Tensioner gripper, stainless steel
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140021
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Pully (inside or outside), stainless steel
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140043
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Safety spring, stainless steel, 220 mm (7.8") long
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140045
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Eyebolt, stainless steel, 8-pack, 84 mm (3.3") long, thread length 51 mm (2.0") M8 x 1.25
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140046
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Eyebolt, galvanized, 8-pack, 84 mm (3.3") long, thread length 51 mm (2.0") M8 x 1.25
All amounts shown in USD
   
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