The loop powered door magnet is the latest innovation from Zeta Alarm Systems. The ZTA-DH is an addressable loop powered & loop controlled door holder. It takes all it’s power from the loop, so there is no need for a separate power supply or battery
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The Zeta conventional explosion proof manual call point is manufactured from aluminium with a built-in push button activator. The call point is finished with red anti-corrosive epoxy powder coating with 2 x 20mm cable entries. This unit is equipped with a stainless steel hammer and chain.