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Atex Certified Intercom - Zone 1 & 2


Ex d IIC Intercom System, wall-mounted, outdoor, monoline with push button
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The “Series 745-IIC” Intercom system is designed and manufactured to be installed in outdoor potentially explosive and fire risk environments, with loud background noises, allowing to detecte the called person anywhere in the field through the loudspeakers and have a bidireccional conversation by lifting the handset.

An additional system can be used and, if connected, it allows to silence its loudspeaker during the call, avoiding the disturbances caused by the Larsen effect.

As a whole, the components of the 745-305-IIC series are suitable for the ATEX Gas Group IIC, zone 1 and zone 2 industrial installations.
Atex Intercom Station

The equipment is delivered already mounted on a metal frame and is provided, in the standard version, cable glands for non-armored cable.

The 745-IIC series is composed of:

Atex Intercom Station mod. 48102
wall-mounted intercom device has an hanset with internal protection system, along with the buttons to connect and disconnect the different lines. it is classified as (Ex II 2GD) Ex m ib e[ib] IIC T6/T4
Ex Certified Intercom Enclosure mod. 648
encosure it is completely made in pressed aluminium protected with layers of epoxy paint and it comes with a weatherproof door with handle opening system, protecting the intercom device with an IP55 (when door closed).
       
Atex Certified Intercom System mod. 41177
electronic circuit board contains the supply and the pre-amplifier for the signal processing connected to the handset and the power amplifier for the external loudspeakers. Can be supplied with 110/220Vac 50-60Hz or directly with 48Vdc from a centralized power source.
Ex Intercom Enclosure mod. 749-IIC
enclosure, in pressed alumnium, contains the main electronic circuit board. It is classified as (Ex II 2GD) Ex d IIC T6/T5 Gb.
       
ATex Intercom Buttons mod. 305-IIC
These external buttons allow to choose the line to call through the network of loudspeakers or the additional call to control room. Buttons are classified as (Ex II 2GD) Ex ed IIC T5.