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Description
A bolt-on electromagnetic gate lock with 300kg of holding force and integrated handles on both halves. It is built for powered access control on swing gates: a keypad, reader or intercom releases the magnet and the gate opens with no key and no moving latch to wear out. The two halves bolt straight to the post and the gate, so there are no welded boxes to make, and the silver powder coated aluminium housing has grip handles shaped into it. Note that this lock is fail open: when the power goes off, the magnet releases and the gate is free. That is the behaviour you want on a route that has to open when the power is lost, but it is not a lock for a gate that must stay secure in a power cut.
Why this lock works
Tested holding force. Every magnet is checked for its holding force, which is rated at 660 lbs, roughly 300kg, on this lock.
Finished with handles. The housing has handles built in, so there is no separate pull to fit and the installation looks like one product rather than a kit of parts.
Built for outdoor use. A special two-layer coating has been tested to 500 hours of salt spray to ISO 9227, and the raised edge on the magnet housing stops a crowbar being worked between the magnet and the plate.
No sticking on release. A kick-off system deals with residual magnetism, so the gate parts cleanly when the power is cut rather than clinging to the plate.
Where it is used
Controlled pedestrian gates on offices, housing blocks, schools and industrial sites, working from a keypad, a card reader or an intercom. It needs a 12V or 24V DC supply and a controller. It is a swing gate lock, it is fail open and must not be relied on where the gate has to remain locked during a power failure.
Specifications
| What you get | Magnet, armature plate, two handle housings and fixings |
|---|---|
| Holding force | 660 lbs, approximately 300kg |
| Voltage | 12V or 24V DC |
| Fail mode | Fail open, releases when power is removed |
| Housing | Silver powder coated aluminium with integrated handles |
| Corrosion test | 500 hours salt spray, ISO 9227 |
| Magnet housing | 217mm high, 98 x 68mm |
| Handle housing | 233mm high, 102mm wide, 40mm deep |
| Fixing centres | 70 + 70mm on the post side, 140mm on the gate side |
| Holes | 3 x 15mm, 2 x 11mm as drawn on the data sheet |
| IP rating | Not published for this line |
| Current draw | Not published for this line |
| Weight | About 4.11 kg |
Choosing the right magnet lock
Decide first whether you want a lock with visible handles or a magnet that hides in the frame, and check your holding force requirement. This silver bolt-on version is the handle version with 300kg holding force. Black is available in the same style. The concealed magnets hold 250kg and are made separately for swing or sliding gates.
| You want | Choose |
|---|---|
| Bolt-on lock with handles, 300kg, silver | This lock |
| Bolt-on lock with handles, 300kg, black | Electromagnetic gate lock, 300kg, black |
| Concealed magnet for a swing gate, 250kg, silver | Magnet lock for swing gates, silver |
| Concealed magnet for a sliding gate, 250kg, silver | Magnet lock for sliding gates, silver |
| A 24V supply for the magnet | Gate lock power supply, 24V DC, 25W |
Fitting and care
Mark out the post and gate from the data sheet, drill the holes, and bolt on each half with the supplied fixings. Align the magnet and the plate so that they meet flat over their full face when the gate is closed, as a poor fit reduces holding force more than anything else. Connect the magnet through your controller on a 12V or 24V DC supply, and test that it releases cleanly before you leave the job. Electrical work must be done by a competent person.
Keep the faces of the magnet and plate clean, and wipe them regularly, because a build-up of dirt or a scratch on the magnet face is the usual cause of poor holding force. Check the fixings at routine maintenance.
Frequently asked questions
What happens if the power fails?
This lock is fail open, so the magnet releases and the gate is free. Do not use it where the gate must stay secure during a power cut.
Does it include a power supply?
No. You need a 12V or 24V DC supply and a controller. Our power supplies are linked in the table above.
Do I need a welded box?
No, the two halves bolt on through drilled holes, so it can be fitted to an existing gate.
How strong is it?
The holding force is rated at 660 lbs, about 300kg, when the magnet and plate meet properly and the supply is correct.
Ordering and delivery
Order online, with Express UK Delivery to your site and same-day dispatch on orders before 2pm, Monday to Friday. For a larger job, call 01744 520 110 or email sales@industrialsuppliesco.co.uk and we will confirm availability and delivery before you order.
Our products have been used by
Logos are for illustrative purposes only and do not imply official endorsement
About Us
Suppliers to Ministry of Defence, NATO, US Airforce and Most UK Councils, Schools, Universities, Hospitals & various Government departments
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