DW Ex call station enables connections to all intercom stations and loudspeakers.

DW Ex is designed for usages in the explosive and hazardous environment and can withstand the harshest of environments, highest-level noise, high humidity and dust levels, and atmosphere with low/high temperatures.

DW Ex can be used in heavy industrial applications such as, oil and gas, chemical, petrochemical, nuclear, power, steel, mining and transportation.

1 to 3 twin direct call keys
Dial keypad module
Direct key module – 1 block of 8 pushbuttons
Handset module for duplex connection
Covers distance of up to 6 km from the central exchange
Indication for incoming, missed call and line status (busy)
Noise reduction/elimination adjustable microphone
25 W amplifier for additional loudspeaker
Identification label
Ex marking ExdeibIICT6 Gb
IEC Ex approved
Protection degree IP65

Technical specifications
Mechanical data
Dimensions 510 x 130 x 206 mm
Material Glass-fibre-reinforced polyester (GRP )
Color Orange
Weight 11,5 kg

Electrical data
Operating voltage 36 – 60 VDC
Frequency range 300 Hz to 6800 Hz
Quiescent/max. current consumption 25 mA / 95 mA
Quiescent/max. current consumption with a booster amplifier 25 mA / 1.1 A
Communication protocol Armtel
Max. sound pressure level 95 db
Main amplifier power 1W

Features
Hot swapping +
Status indication LED
External loudspeaker connection +
External beacon connection +