The Zeta flame proof siren is an explosion proof siren available in either 24V or 230V versions.

The Zeta flame proof gong bell is an explosion proof gong bell with a terminal chamber. A highly reliable electric circuit is housed inside to control the frequency of the gong operating spindle. The operating spindle and dish are made out of stainless steel thereby ensuring a long life. The electric circuits are connected to terminals in the terminal chamber through nipple. The covers are provided with neoprene gaskets for weatherproof protection.