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. . . ADDENDUM FOR "SURGE PROTECTION" OPTION OF THE TRANSMITTERS
FITTING PROCEDURE
(In case of new terminal block with three terminals for connection. See Fig. 2)
The fitting procedure already described for the traditional terminal block is still valid.
It must be observed that cables are now welded and not screwed.
Refer to Fig. 2 and also follows the indication in the figures 2a and 2b.
In the first one (2a) you can see the terminal block connection when there is no surge protector applied.
In the latter (2b) you can see the terminal block connection when surge protector is in!
Two holes for
M4x18 mm
fixing screws
TERMINAL BLOCK
(Front view)
Two notches on the ext
plastic case wall
to lodge the surge prot.
p.c. board
TERMINAL BLOCK
(Back view)
Fig. 2 - SURGE PROTECTOR FOR NEW TERMINAL BLOCK ( Three terminals)
Stuck on label to disclose the
presence of the surge protector
Terminals to be welded
into the specified holes
Self-tapping screw M2.9x6 mm to secure
the surge prot. p.c. board
TERMINAL BLOCK
(Side Sect. View)
Self-tapping screw
M2.9x6mm
SURGE PROTECTOR
(P.C. Board)
+/- Terminals
Socket for
built-in indicator
Terminal holes to
be used for welding
the +/- eyelet
terminals of the
"RF" Filter wires.
- 35 -
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