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GENERAL
The “W/V-Type” transfer switch is rated 100 amps at
250 volts maximum. It is available in 2-pole configura-
tion only and, for that reason, is usable with 1-phase
systems only.
Transfer switches do not have an intelligence sys-
tem of their own. Instead, automatic operation of
these transfer switches is controlled by a circuit board
housed in the generator control panel.
ENCLOSURE
The “W/V-Type” transfer switch enclosure is a NEMA
1 type (“NEMA” stands for “National Electrical
Manufacturer’s Association”). Based on NEMA
Standard 250, the NEMA 1 enclosure may be defined
as one that is intended for indoor use primarily to
provide a degree of protection against contact with
the enclosed equipment and where unusual service
conditions do not exist.
31
17
26
ITEMS 32-37
38
18
27
3A
3B
13
8
14
12
39
20
15
19
26
26
2
3
5
11
6
4
9
7
10
24
23
16
21
22
22
9
16
23
29
1
30
ITEM DESCRIPTION
1 GTS LOAD CENTER ENCLOSURE
2 COVER GTS LOAD CTR
3 TRANSFER SWITCH HOME STANDBY
3A COIL UTILITY
3B COIL STANDBY
4 SCREW
5 SCREW
6 LOCK WASHER”
7 RELAY PANEL 12VDC DPDT 10A@240VAC
8 LOAD CENTER
9 SCREW
10 RIVET”
11 WASHER
12 PLUG
13 HARNESS ADAPTER PLATE
14 SUBPLATE GTS LOAD CENTER
15 U-CHANNEL
16 WASHER
17 GROMMET
18 ARM EXTENDER PIN
19 CABLE TIE SELF MOUNTING 4.3LG
20 HARNESS GTS-MAIN PANEL W/NEUTRAL
21 LUG QUICK DISCONNECT
22 SCREW
23 LUG
24 BLOCK TERMINAL
26 SCREW WITH WASHER
27 SCREW
28 HARNESS LOAD CENTER INT. CONN (NOT SHOWN)
29 FUSEBLOCK
30 FUSE 5A
31 BATTERY CHARGER
32-37 CIRCUIT BREAKERS
38 HARNESS ENTRY COVER
39 HARNESS GTS, EXTERNAL CONNECTION BOX
Figure 1. Exploded View of W/V-Type Transfer Switch
Page 56
PART 3
TRANSFER SWITCH
SECTION 3.1
DESCRIPTION & COMPONENTS