Universal Transient Barrier Special Applications

The UTB-TA and UTB-SA are specifically designed to protect telephone/modem circuits.The UTB SA are rated to 20 kA 8/20 us and specifically designed and approved for use on the Australian & New Zealand telecommunication network.

Applicable Protocols & Standards

  • Telephone Lines
  • ASDL: Asy mmetric Digital Subscriber Line. Protocol for data communication over copper telephone lines. Uses single copper wire pair
  • HDSL: High bit rate Digital Subscriber Line. Protocol for data communication over copper telephone lines. Uses two copper wire pairs.
  • ISDN: Integrated Service Digital Network.Protocol for voice and data over copper telephone lines

SERIES TABLE

ModelMax Discharge Current (Imax), Per ModeVoltage Protection Level (Up), L-L
UTBTA0.5 kA 8/20 μs480 V @ 3 Ka
UTBSA20.0 kA 8/20 μs340 V @ 3 kA

SPECIFICATIONS TABLE

Rated Load Current (IL)160 mA
Frequency15 MHz
Loop Resistance1 Ω
Max Discharge Current (Imax), Per Modesee series table
TechnologyGas Discharge Tube (GDT)
PTC
Voltage Protection Level (Up), L-Lsee series table
Connection, Stranded1 – 4 mm²
Mounting35 mm top hat DIN rail
Temperature-20 to 65 °C
Enclosure MaterialUL® 94V-0 Thermoplastic
Enclosure RatingIP 20
NEMA®-1
Depth (D)68 mm
Height (H)90 mm
Width (W)18 mm
Unit Weight0.1 kg
Certification DetailsUL® 497A
Complies WithANSI®/IEEE® C62.41.2-2002 Cat A, Cat B, Cat C
Replacement ModuleUTBTM

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