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 TB 43-0117
MX-7778A/GRC
exceed 50 amperes. A BATTLE OVERRIDE switch
1.
Brief Description: The MX-7778A/GRC Electrical
protected by a guard permits the operator to apply power
Transient Suppressor protects radio equipment mounted
direct to the radio sets in emergencies, temporarily by-
in Army watercraft from damage caused by excessive
passing the protective circuits.
The input power
voltage transients greater than 32 vdc. The suppressor
requirement is 28 volts DC. Major components of the
also protects radio equipment from damage caused by
MX-7778A]GRC are:
inadvertent reversing of the DC power leads.
CX-10613/G
Cable Assembly, Electrical
Transistorized radio sets are particularly susceptable to
MX-7777B/GRC
Electrical Transient Suppressor
damage from the above causes. The suppressor is
normally installed between the DC power source and the
2.
Applicable Tools and Test Equipment: See
radio sets, more than one radio set may be connected to
the suppressor, so long as the total current drain does
Appendix B for nomenclature, NSN, etc.
not
Type No
0
F
H
ME-26D/U
X
PP-1104CIG
Power Supply
X
TK-100/G
Tool Kit, Electronic
X
X
TK-101G
Tool Kit, Electronic
X
TK-105/G
Tool Kit, Electronic
X
X
3.
Applicable Publications:
TM 11-5915-224-14
TM 11-5915-224-24P
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