ERICO Universal Transient Barrier (UTB) - Manual (Page 2)

UNIVERSAL TRANSIENT BARRIER
INSTALLATION INSTRUCTIONS
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2003 ERICO
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Inc Page 2 of 2 Doc: IPCR1100.DOC, Rev: 1.0, Date: 28 Mar. 2003
5. MAINTENANCE
Failure of a UTB is usually indicated by interruption of data or
a fault on the signal (control) line. The UTB has been
designed for simple plug-in modular replacement, without
the need to disturb circuit wiring.
Before removing a UTB module from service, ensure that the
power has been removed and if possible “locked out”.
Qualified personnel should only undertake replacement of
UTB modules. Replacement plug-in modules are available.
NOTE: It is very important to ensure that the new module is of
the same type and voltage as that being replaced.
Table 1. UTB operating specifications
Operation:
Model UTB-5 UTB-15 UTB-30 UTB-60 UTB-110 UTB-SA UTB-TA
Nominal System
Voltage Un
5V- 3V~ 15V- 10V~ 30V- 21V~ 60V- 42V~ 154V- 120V~ Analog telephone circuits
Max. Continuous
Operating Voltage Uc
7V- 5V~ 18V- 12V~ 33V- 23V~ 64V- 45V~ 200V- 150V~ -
Max. Line Current I
L
1.5A 160mA
Frequency @ 3dB / 120? <500kHz <1MHz <2MHz <4MHz <2MHz <15MHz
Connections 6mm 2 (#18AWG to #10AWG). Grounding via terminal or DIN rail connection