Figure 2-7: Wiring Box Layouts - Delta M42U Operation And Installation Manual

Introduction
-120 Model WB
⑪
④
⑯
①
-121 Model WB
⑪
④
⑯
①
-122 Model WB
⑪
④
⑯
①
NO. Component
1 2" cable opening for AC
½" cable opening for DC grounding
2
2" cable opening for DC
3
4 AC switch
5
DC grounding bar
6 DC terminal for IN 1
⑬
IN 1 IN 1
⑨ ⑧
③
⑬
⑬
IN 1 IN 1
⑧ ⑨
⑮ ⑯

Figure 2-7: Wiring box layouts

NO. Component
DC terminal for IN 2
7
Fuse holder type DC IN1
8
Fuse holder type DC IN2
9
10 DC switch
11
Type II AC SPD
Type II DC SPD
12
Table 2-3: Wiring box layout description
22
⑭
IN 2 IN 2
⑩ ⑨
⑤ ⑥
② ③
⑭
IN 1 IN 2 IN 1 IN 2
⑥ ⑦
⑤ ③
⑭
IN 2 IN 2
⑨ ⑩
⑥ ⑤
⑮ ⑯
②
NO. Component
Internal AC terminal
13
Internal DC terminal
14
MC4 connectors (12 pairs)
15
16 Communication port
17
Grounding (M6 threaded stud)
18 External ground bar location
⑫
⑰
⑩
⑫
⑰
⑩
⑫
⑰
⑩
⑱