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Electromagnetic holding solenoids are solenoid systems without armature. In the energized state any ferromagnetic material is held. We also supply series PHD permanent holding solenoids which generate a holding force in a non-energized state.
90 % of our solenoids are made to customer’s specifications. Please do not hesitate to contact us concerning any solenoid specific questions.
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These industrial holding magnets are units with an electromagnetic
holding system without an armature that is an open magnetic
circle for the holding of ferro magnetic parts.
The greatest holding force is dependant on the surface roughness
and component thickness.
Devices with permanent magnets and rectangular holding magnets are also available.
Size: 15 - 250 mm diameter
Max. holding force: 36 - 30000 N
(please note catalogue indications)
Rated torque: 1.4 - 90 W
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Operating mode:
Locked in rotation through fork shaped
mechanical link
Released either by power-off or
power-on mode
Manuel reset
Typical application:
Fire protection: door retainers,
smoke damper
Benefit:
High torque level with low power
consumption
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These electromagnetic holding magnets are used in electrically operated independent clamping devices to hold open fire protection doors and exits. The doors are held open either in a fixed position or in a manually adjustable angle until they are electrically released.
Magnets for EX applications with ATEX certification are available.
Size: 42 - 70 mm with quality control
Holding force: 300 - 1568 N by quality controlled
goods
Rated torque: 1.5 - 3.0
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DESCRIPTION AND OPERATION
Assembled on a fixed part, these suction cups ensure the magnetic maintenance of the doors via a reinforcing plate. The release is obtained: by electric drive remotely cut of the supply voltage for the models with lack of tension powering for the models with emission of current manually via a pushbutton (models with lack of tension). The return to the position “maintenance” is obtained while bringing back the door in the initial position.
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Material generally linked to a fire system which will automatically release the fire doors in case of a fire, by switching the power off.
Electromagnetic holder mounted in a metallic box painted with white epoxy, with cabled local release button, protection level IP42, delivered with an equipped magnetic pin
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DESCRIPTION:
The attraction and the lifting of the magnetic pieces is obtained by the magnet mounted in.
By energising the coil inside the electromagnet the piece is removed.
When operating with loads the corresponding security rules must be respected by the user.
Remanence during the neutralize of the magnets is aproximately 2 % of the retention force at 0,015 air gap.
When handling loads a security factor of 3 is necessary, the weight of the piece must be half of the magnetic force of the electromagnet.
- Options: Clamping screw for VEM25 and higher connector for VEM-65 and higher.
- NAFSA, reserves any possibility of modification.
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DICTATOR manufactures electromagnets tested and approved according to the EN 1155:2005.
An extensive product range of electromagnets and counter plates
covering most applications.
Holding forces up to 5000N
Voltage: Standard 24 VDC, other tensions also possible
Special designs
- Ex-proof magnets
- IP65
- Magnets with UV-resistant sealing resin for outside applications
- Magnets to be integrated in overhead door closers
- Customized designs
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Floor Mounted
The unique design provides maximum protection for areas subject to vandalism or accidental damage.
- 200N or 500N holding force
- Zero residual force
- Robust aluminium construction
- Surface cable entry
- Supplied with Keeper Plate
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The electromagnetic suction cups are electrically ordered magnets.
They make it possible to easily maintain a system in a determined position, and to slacken it at the desired time.
Forces of 45 with 680N, for diameters ranging between 25 and 45mm
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An electromagnetic suction cup makes it possible to maintain a device (interdependent of a polar plate) in a given position and to release it by simple electrical signal. In the case of a suction cup with emission of current, the maintenance is ensured not under tension by a permanent magnet and the unlocking of the polar plate is caused by the powering of the reel which involves the demagnetization of the magnet.
Applications Fire protection Maintenance and release of fire doors, opening emergency exits of trap doors of smoke clearing, valves of ventilation… Industrial use Locking or unlocking, access control, maintenance or gripping of pièces… ...
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An electromagnetic suction cup makes it possible to maintain a device (interdependent of a polar plate) in a given position and to release it by simple electrical signal.
In the case of a suction cup with emission of current, the maintenance is ensured not under tension by a permanent magnet and the unlocking of the polar plate is caused by the powering of the reel which involves the demagnetization of the magnet.
Applications
Fire protection
Maintenance and release of fire doors, opening emergency exits of trap doors of smoke clearing, valves of ventilation...
Industrial use
Locking or unlocking, access control, maintenance or gripping of parts...
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Presentation
An electromagnetic suction cup makes it possible to maintain a device (interdependent of a polar plate) in a given position and to release it by simple electrical signal. In the case of a suction cup with rupture of current, the maintenance is ensured by the food of the reel and it is the cut of the food which causes the unlocking of the polar plate.
Applications
Fire protection
Maintenance and release of fire doors, opening emergency exits of trap doors of smoke clearing, valves of ventilation...
Industrial use
Locking or unlocking, access control, maintenance or gripping of parts...
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Doorholder magnets, explosion proof
Doorholder magnets with 650 N, 1300 N and 2000 N force, explosionproof, in acc. with ATEX 94/9/EC, II2G EEx m II T6, II2D IP66 T85, for use in hazardous areas zone 1, 2, 21 and 22 for all kind of gas, mixtures, vapours and dust (in acc. to type). Protection class IP65.
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DICTATOR provides complete hold open systems for hazardous areas
They comprise explosion-proof smoke and heat detectors, door operators and the electromagnets. They comply with the requirements for group II products and can be installed in all zone 1 and 2 areas (according to VDE 0165). The explosion proof magnets are encapsulated (EEX m). Two series are available: with ex-proof connection box or with connection cable. The standard length of the cable is 2 m, but it can be delivered in the length required on site. The holding force of the magnets is either 550 N or 145N. The integrated release pin eliminates any remanence after switching off the power supply of the magnets, ensuring that the magnets always releases the door. All ex-proof magnets are equipped with diodes and polarity protection.
The DICTATOR ex-proof magnets have been tested both according to EN 1155:2005 for hold-open systems and the ATEX directive by the Physikalisch-Technische Bundesanstalt Braunschweig (certificates PTB 03 ATEX 2174 X and PTB 03 ATEX N060).
In addition to the ex-proof magnets DICTATOR also provides a large range of electromagnets for hold-open systems, that comply with the EN 1155:2005 and are approved for the use in hold-open systems.
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