Hekatron THM 413 6500002 Door Holder Magnet 490N/63mA
Part no.
The Hekatron THM 413 is a Floor Mounted Electromagnetic Door Retainer.
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The Hekatron THM 413 is a Floor Mounted Electromagnetic Door Retainer. The THM 413 is used to keep self-closing doorways, such as fire doors, smoke doors and other doors or gates open. The THM-413 must be connected to a smoke detection system, which will break the circuit to de-energize the electromagnet, if a fire occurs. This will allow the door to close, and stop the fire from spreading.
The THM 413 is provided with a spark-suppression diode (free-wheeling diode) to protect the contacts against premature erosion and voltage surges, plus a reverse polarity protection diode.
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