Specifications, User instructions (usa) – GAI-Tronics 352-001 UL Class I Division 1 Telephones User Manual
Page 13

Pub. 42004-454A
Model 352-001, 352-002, 352-003, and 352-004 Division 1 Telephones
Page: 13 of 13
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Specifications
Electrical (Typical)
Frequency response.................................................................................................................. 300–3,000 Hz
Inter-digit pause .................................................................................................................................. 100 ms
Minimum loop current ........................................................................................................................ 20 mA
Signaling tone (DTMF).............................................................................................. 100 ms Tone Duration
Supervisory dc current ................................................................ Minimum 20 mA dc; maximum 60 mA dc
Supervisory dc voltage........................................................................... 24–60 V dc (not polarity sensitive)
Network interface.......................................................................................................................... Loop Start
Auxiliary output (isolated solid state switch) ................................................................. 48 V dc @ 125 mA
28 V
RMS
ac @ 80 mA
RMS
Ring Relay PCBA output mechanical relay contact ............................................................. 250 V ac @ 5A
30 V dc @ 5A
Network signaling............................................................................................................................... DTMF
Ringer Equivalence Number (REN) with Ringer Relay PCBA............................................................. 3.1A
REN without Ringer Relay PCBA .......................................................................................... 1.0A/1.3B
Environmental
Operating temperature ........................................................................ −40º F to +140º F (−40º C to +60º C)
Humidity ...................................................................................................................... 90% non-condensing
Mechanical
Enclosure .............................................................................. Cast aluminum with aluminized lacquer paint
Handset Cord .......................................................“G” style handset/PVC 6-foot extended length (standard)
Connections................................................................................ Internal screw-type barrier terminal blocks
Dimensions, Outside............................... 10.25 W
× 12.25 H × 9.50 D inches (260.3 × 311.1 × 241.3 mm)
Mounting.................................................. Wall or column, four 3/8-inch (10 mm) mounting feet with slots
Shipping weight ................................................................................................................ 30.0 lbs. (13.6 kg)
Net weight......................................................................................................................... 28.0 lbs. (12.7 kg)
Approvals
NRTL listed ...................................................... Hazardous locations Class I, Division 1, Groups B, C, & D
(USA and Canada)
Class II, Division 1, Groups F & G
Class III, Division 1
T6 – Gas
T4A – Dust
User Instructions (USA)
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in
a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.