Table 2 . Tap-changer mounting sequence
(all configurations)
“B” dimensions all switch configurations in/mm
Contact type
1Ø
2Ø
3Ø
Bolt Tabs for 1/4 inch Bolts
2.81
(71)
5.35
(135.9)
8.20
(208.3)
16-14 AWG Terminals
2.59
(66)
5.35
(135.9)
8.20
(208.3)
12-10 AWG Terminals
2.59
(66)
5.35
(135.9)
8.20
(208.3)
8 AWG Terminals
2.59
(66)
5.35
(135.9)
8.20
(208.3)
“A” dimensions all switch configurations in/mm
Contact type
Standard length Long shank
Bolt Tabs for 1/4 inch Bolts
2.91
(74)
4.47
(113.40)
16-14 AWG Terminals
3.48
(88.4)
4.20
(106.70)
12-10 AWG Terminals
3.48
(88.4)
4.20
(106.70)
8 AWG Terminals
3.57
(90.7)
4.20
(106.70)
Figure 14 . One-phase switch with terminal posts and all
without terminal posts
* When required, accepts .25 inch rounded short square
neck bolt, carriage bolt. Hardware not included.
Switch diameter
Terminal
posts
Figure 15 . Switch mounting hole
6
INSTALLATION INSTRUCTIONS
MN800014EN February 2017
100 A tap-changer switch cap/wrench, lever or hotstick operable handles installation instructions
