GAI-Tronics DEX-101 Hazardous Area Driller's Intercom Station - Manual (Page 14)

Pub. 42004-679L2G
M ODEL DEX-10 X AND DEX-20 X D RILLER ’ S I NTERCOM S TATIONS Page 13 of 13
f:\standard ioms - current release\42004 instr. manuals\42004-679l2g.doc
07/13
Specifications
Power input (120 V ac) ....... Voltage ............................................................. 108/132 V ac range, 50/60 Hz
Power consumed ......................................................... 23 VA, 10 W (nominal)
52 VA, 50 W (maximum)
Power input (240 V ac) ....... Voltage ............................................................. 216/264 V ac range, 50/60 Hz
Power consumed ......................................................... 43 VA, 11 W (nominal)
63 VA, 50 W (maximum)
Power input (24 V dc) ......... Voltage .................................................................................. 21/27 V dc range
Power consumed ..................................................................... 42 W (nominal)
50 W (maximum)
Construction/finish .............. Enclosure ...................................................... Copper-free cast aluminum with
gray powder epoxy/polyester on exterior surfaces
Front panel................................................................. Passivated stainless steel
Microphone amplifier ......... Frequency response .................................. 200–4,000 Hz, ±3 dB ref. @ 1 kHz
Speaker amplifier ................ Output .............. Class AB, 18 watts into 8 ohms, with nominal supply voltage
Frequency response ................................ 200–10,000 Hz, ±3 dB ref. @ 1 kHz
Distortion ................................................ 1% maximum THD @ 1 kHz, 18 W
Inputs ............................................................................................................. 16-button keypad, footswitch,
speaker volume adjustment (adjusted through keypad)
Outputs ................................ Call Indication LED
Beacon control (digital only) ................................ 1 A @ 30 V dc (maximum)
System cabling .................... Digital ............................................................. Star-feed, two-wire twisted pair
Analog
........................................................... Star-feed, four-wire twisted pair
Temperature range ................................................................. Analog: −13º F to +149º F (−25º C to +65º C)
Digital:
−4º F to +140º F (−20º C to +60º C)
Dimensions ........................................................ 10.31 W  16.11 H  8.07 D (262.0  409.2  205.0 mm)
Shipping weight ................................................................................................................... 39 lbs. (17.7 kg)
Approvals
UL .......................................................................................................... NRTL Listed for USA and Canada
Class I, Div. 1 & 2, Groups C & D T4
Class I, Zones 1 & 2, Group IIB & IIA
Class II, Div. 1 & 2, Groups E, F, & G
Class III, Div. 1 & 2, Type 4X