Installation Guide

Table Of Contents
TETRA MBS UNIT. INSTALLATION GUIDE
F067646PT_2801
Page 53 of 62
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6.3.6.2 CONNECTION OF THE EXTERNAL POWER SUPPLY
Check that the power supply source and/or the battery to be used are adapted to the
type of MBS Unit (AC/DC) and meets the voltage and current requirements
necessary to supply the equipment.
MBS Unit with AC power supply source:
- Nominal voltage: 110/220 VAC (Range: from 94 to 264 VAC).
- Use the power cable connector provided with the MBS Unit to connect the MBS Unit to
the power supply source. Use a cable of 3 wires; with weather protection; with the
following features:
Cable diameter: 0.24 in - 0.47 in.
Cable section: 2.5 mm
2
(AWG 13) (0.6/1KV)
UL VW-1 certified power supply cable is needed.
- Ensure that the connection is made in the correct way (Line, Neutral and Earth) following
the next steps:
o Strip cable and wires (stripping length 0.31 in - 0.35 in).
NOTE: The earth cable must be 0.08 in longer.
o Push the cable through the cable gland and the hood/housing and insert the wires
into the insert respecting the correct polarity.
o Fix each wire tightening each pin from the front side with a hexagonal screwdriver
(Allen number 2).
8-9 mm
Neutral (N)
Line (L)
Earth (PE)