Description & Specifications:
GL800 Surface Mount External Magnetic Lock (Monitored)
Overview
The GL800 is a versatile 12/24V DC surface-mount magnetic lock designed for external use. It features a male conduit thread and delivers a strong holding force of 385kg (850lbs). With both side and face mount fixing holes, it offers flexible installation on uPVC, timber, or metal doors.
This model includes a monitoring function, allowing you to confirm whether the lock is engaged or disengaged. An internal Hall Effect sensor provides voltage-free Normally Open (N/O) and Normally Closed (N/C) contacts. These can be connected to an alarm, buzzer, sounder, or light to indicate when the magnet and armature plate are separated.
Specifications
- Holding Force: 385kg (850lbs)
- Power Input: 12V or 24V DC (selectable via wiring)
- Current Draw: 500mA @ 12V DC | 250mA @ 24V DC
- Magnet Dimensions (with thread): 246mm (L) x 48mm (W) x 30mm (D)
- Armature Plate Dimensions: 185mm (L) x 45mm (W) x 14mm (D)
- Magnet Weight: 1.760kg
- Armature Weight: 0.990kg
Frequently Asked Questions (FAQs) & Troubleshooting
Q: Why is the magnet running very warm, almost hot? A: "Power to Lock" devices like magnetic locks require constant power and can naturally run warm. However, excessive heat is usually caused by:
- Incorrect Voltage: A 12V DC magnet connected to a 24V DC power supply.
- Insufficient Amperage: The power supply is not providing enough current.
- Voltage Drop: A long cable run with an inadequate wire gauge is causing a loss of current.
Q: The armature plate is vibrating. What's causing this? A: Vibration is typically due to an under-rated or faulty power supply, or if a 24V DC magnet is being powered by a 12V DC supply.
Q: The magnet isn't locking properly and the door can be pulled open. A: This is often caused by:
- Poor Alignment: The armature plate is not correctly aligned with the magnetic lock.
- Power Issues: The power supply is faulty, under-rated, or providing the wrong voltage (e.g., 12V DC to a 24V DC lock).
Technical Tips
- Installation: Before powering on, double-check that the wiring connections match your chosen 12V or 24V DC power supply. Incorrect wiring can cause the lock to overheat, fail to engage, or lead to eventual system damage.
- Maintenance: Periodically clean the surfaces of both the magnet and the armature plate with a light oil to ensure optimal performance.
Optional Fixing Brackets
Please consider if you need fixing brackets for your installation:
-
L-Bracket: Typically used for outward-opening doors.
- Weight: 0.500kg
- Size: 220mm (L) x 6mm (D) x (50 x 34h) mm
- Adjustment: 6 screws allow for 0mm to 23mm of backward/forward adjustment.
-
Z-Bracket: Typically used for inward-opening doors.
- Weight: 0.600kg
- Size: 182mm (W) x 6mm (D) x 2 x (50 x 50h) mm
- Adjustment: 6 screws allow for -18mm to 40mm of backward/forward alignment and angle adjustment up to 32 degrees.
What's in the Box
- 1 x Magnetic Lock
- 1 x Armature Plate
- 1 x Fixing Kit