HUBBELL ELECTRICAL PRODUCTS
A Division of HUBBELL INCORPORATED (Delaware)
3940 Dr. Martin Luther King Drive
St. Louis, Missouri 63113 USA
INSTALLATION, OPERATION &
MAINTENANCE DATA SHEET
SERIES USF JUNCTION BOXES
Increased Safety Terminal Enclosures For Use In
Zone Classified Hazardous Locations
P/N KIL00921445 FORM NO. K1445 R6/18 ECO-2-045-18
Page 9 of
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TABLE 6 - USF OVERALL DIMENSION CHART
Catalog
Number
Height
in. (mm)
Width
Depth
"E" "F"
"G"
"H"
Max. Power Dissipation (W)
when using
Screw Type
Terminals
when using
Cage Clamp
Terminals
USF121206
12 (305)
12 (305)
6 (153)
10.69 (272)
10.69 (272)
13.63 (346) 13.63 (346)
15.0
7.5
USF161206
16 (407)
12 (305)
6 (153)
10.69 (272)
14.69 (373)
13.63 (346) 17.63 (448)
17.0
8.5
USF161208
16 (407)
12 (305)
8 (203)
10.69 (272)
14.69 (373)
13.63 (346) 17.63 (448)
20.6
10.3
USF161210
16 (407)
12 (305)
10 (254)
10.69 (272)
14.69 (373)
13.63 (346) 17.63 (448)
23.5
11.7
USF161606
16 (407)
16 (407)
6 (153)
14.69 (373)
14.69 (373)
17.63 (448) 17.63 (448)
19.0
9.5
USF161608
16 (407)
16 (407)
8 (203)
14.69 (373)
14.69 (373)
17.63 (448) 17.63 (448)
20.0
10.0
USF161610
16 (407)
16 (407)
10 (254)
14.69 (373)
14.69 (373)
17.63 (448) 17.63 (448)
25.0
12.5
USF201606
20 (508)
16 (407)
6 (153)
18.69 (475)
14.69 (373)
21.63 (549) 17.63 (448)
21.0
10.5
USF201608
20 (508)
16 (407)
8 (203)
14.69 (373)
18.69 (475)
17.63 (448) 21.63 (549)
23.0
11.5
USF201610
20 (508)
16 (407)
10 (254)
14.69 (373)
18.69 (475)
17.63 (448) 21.63 (549)
26.0
13.0
USF202006
20 (508)
20 (508)
6 (153)
14.69 (373)
18.69 (475)
17.63 (448) 21.63 (549)
24.3
12.1
USF202008
20 (508)
20 (508)
8 (203)
18.69 (475)
18.69 (475)
21.63 (549) 21.63 (549)
26.0
13.0
USF202010
20 (508)
20 (508)
10 (254)
18.69 (475)
18.69 (475)
21.63 (549) 21.63 (549)
30.0
15.0
USF202012
20 (508)
20 (508)
12 (305)
18.69 (475)
18.69 (475)
21.63 (549) 21.63 (549)
36.0
18.0
USF241606
24 (610)
16 (407)
6 (153
14.69 (373)
22.69 (576)
17.63 (448) 25.63 (651)
23.0
11.5
USF241608
24 (610)
16 (407)
8 (203)
18.69 (475)
18.69 (475)
21.63 (549) 21.63 (549)
23.0
11.5
USF241610
24 (610)
16 (407)
10 (254)
14.69 (373)
22.69 (576)
17.63 (448) 25.63 (651)
31.0
15.5
USF242006
24 (610)
20 (508)
6 (153)
14.69 (373)
22.69 (576)
17.63 (448) 25.63 (651)
24.5
12.2
USF242008
24 (610)
20 (508)
8 (203)
18.69 (475)
22.69 (576)
21.63 (549) 25.63 (651)
31.5
15.7
USF242010
24 (610)
20 (508)
10 (254)
18.69 (475)
22.69 (576)
21.63 (549) 25.63 (651)
33.6
16.8
USF242012
24 (610)
20 (508)
12 (305)
18.69 (475)
22.69 (576)
21.63 (549) 25.63 (651)
36.0
18.0
USF242406
24 (610)
24 (610)
6 (153)
18.69 (475)
22.69 (576)
21.63 (549) 25.63 (651)
25.8
12.9
USF242408
24 (610)
24 (610)
8 (203)
22.69 (576)
22.69 (576)
25.63 (651) 25.63 (651)
34.0
17.0
USF242410
24 (610)
24 (610)
10 (254)
22.69 (576)
22.69 (576)
25.63 (651) 25.63 (651)
34.0
17.0
USF242412
24 (610)
24 (610)
12 (305)
22.69 (576)
22.69 (576)
25.63 (651) 25.63 (651)
38.0
19.0
USF242416
24 (610)
24 (610)
16 (407)
22.69 (576)
22.69 (576)
25.63 (651) 25.63 (651)
42.0
21.0
USF242420
24 (610)
24 (610)
20 (508)
22.69 (576)
22.69 (576)
25.63 (651) 25.63 (651)
57.3
28.6
USF302008
30 (762)
20 (508)
8 (203)
22.69 (576)
22.69 (576)
25.63 (651) 25.63 (651)
36.5
18.2
USF302010
30 (762)
20 (508)
10 (254)
18.69 (475)
28.69 (729)
21.63 (549) 31.63 (803)
36.0
18.0
USF302408
30 (762)
24 (610)
8 (203)
18.69 (475)
28.69 (729)
21.63 (549) 31.63 (803)
39.0
19.5
USF302410
30 (762)
24 (610)
10 (254)
22.69 (576)
28.69 (729)
25.63 (651) 31.63 (803)
38.0
19.0
USF302412
30 (762)
24 (610)
12 (305)
22.69 (576)
28.69 (729)
25.63 (651) 31.63 (803)
40.0
20.0
USF302420
30 (762)
24 (610)
20 (508)
22.69 (576)
28.69 (729)
25.63 (651) 31.63 (803)
57.3
28.6
USF303008
30 (762)
30 (762)
8 (203)
22.69 (576)
28.69 (729)
25.63 (651) 31.63 (803)
43.0
21.5
USF303010
30 (762)
30 (762)
10 (254)
28.69 (729)
28.69 (729)
31.63 (803) 31.63 (803)
40.0
20.0
USF303012
30 (762)
30 (762)
12 (305)
28.69 (729)
28.69 (729)
31.63 (803) 31.63 (803)
46.0
23.0
USF362408
36 (915)
24 (610)
8 (203)
34.69 (881)
28.69 (729)
37.63 (956) 31.63 (803)
44.0
22.0
USF362410
36 (915)
24 (610)
10 (254)
9.79 (249)
35.20 (894)
8.15 (207)
27.63 (702)
40.0
20.0
