Installation Guide

Table Of Contents
TETRA MBS UNIT. INSTALLATION GUIDE
F067646PT_2801
Page 59 of 62
en
6.3.8 CONNECTING / DISCONNECTING THE MBS FROM THE DC SUPPLY
The electrical supply to the MBS is connected through a connector with a three-wire cable.
This cable shall be connected to the 24 VDC supply, which must comply with the regulations of the
country in which the MBS is installed.
The connection of the MBS to the supply must be carried out by specialised personnel.
The maximum current required by the MBS is 9 A.
The MBS requires a 2-pole external overcurrent protection devices rated 9 A (when two MBS Units
are supplied using the same overcurrent protection device, the rating will be 18 A). This device shall be in
accordance with the country regulations.
Only for USA and Canada: this over-current protection device shall be UL listed and CSA certified.
The MBS must be connected to earth as described in this Installation Guide.
The MBS can be disconnected by unplugging the power connector after disconnecting the power
supply.