THM 439 holding magnet
Adhesive magnet THM 439
ADHMAGN-F.CSEQ-THM439/485
Register now and access more than 125,000 products
- The head rotates and swivels
- The THM 439 has a spark suppression diode (free-wheeling diode) to protect switching elements against premature burnup or overvoltage peaks and a reverse polarity protection diode
- Available in different lengths
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
Datasheets(X)
 | |
Area of application | Object area, Private area |
Type description | THM 439/485 |
Suitable for | Fire protection doors, Smoke protection doors, Closing sequence control |
Suitable for number of doors | 1, 2 |
Mounting option | Wall installation, Ceiling installation, Ground installation |
DIN direction | DIN R/L |
Type of assembly | Screw-on |
Installation type | Surface-mount |
Material | Steel |
Surface | Zinc plated |
Colour | Silver coloured |
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 |
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!