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THM 440 holding magnet
Door holding magnet with round design and concealed connection terminals
- Area of application: Object area, Private area
- Suitable for: Fire protection doors, Smoke protection doors, Closing sequence control
- Suitable for number of doors: 1, 2
- Mounting option: Wall installation
- DIN direction: DIN R/L
- Type of assembly: Screw-on
- Installation type: Surface-mount
- Material: Plastic / metal
- Colour: Black
- Nominal voltage: 24 V/DC
- Input voltage: 24 V/DC
- Magnet diameter: 50 mm
- Adherence strength: 490 N
- Power rating: 1.5 W
- Min./max. temperature conditions: 0 to 50 °C
- Approval: DIBt Z-6.510-2328
- Environmental Product Declaration: No
- EC declaration of conformity (CE): No
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Variants
- The THM 440 has a spark suppression diode (free-wheeling diode) to protect switching elements against premature burnup or overvoltage peaks and a reverse polarity protection diode
Magnetic door holders are used as locking devices to hold open movable room partitions such as fire protection doors, smoke protection doors and other partitions. They must be linked to a smoke detection system which switches off the holding current in the event of a fire to close the door and prevent the spread of fire and smoke.
Dimensions subject to change. Subject to technical changes
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