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
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Application Information
a:
The enclosure forms the basis for certification of a unit or protection system for use in hazardous areas other than Zone 0 (Class I Div. 1).
b:
All internal components mounted in these Junction Box enclosures should be ATEX and IECEx Certified , and Listed or Recognized for
CANADA and US, for the application.
c:
All components must be installed in accordance with the component manufacturer's installation instructions.
d:
A complete Junction Box should be installed using supply wiring methods (including grounding) in accordance with the
local/jurisdictional electrical code(s).
e.:
A 1/4-20 UNC (M6) ground / earthing stud is supplied on all Series USF enclosures.
f: T
o maintian proper IP ratings, be sure to follow all mfr's. mounting instructions when installing certified cable glands or conduit entries.
Warning: Enclosures must be installed in the upright vertical position only. Mounting the enclosures in a horizontal position could cause a fire or
explosion due to excessive dust / heat build-up
.
CATALOG LOGIC:
USF 12 12 06 * W S 1 6 GP1234 *
1 2 3 4 5 6 7 8 9
1. SERIES DESIGNATOR
2. ENCLOSURE SIZE - L x W x D (inches)
3. MATERIAL
Blank = 316 Stainless Steel
S = 304 Stainless Steel
C = Carbon Steel (Painted)
4. TERMINAL MANUFACTURER
W = Weidmuller
A = ABB
P = Phoenix
G = WAGO
K = Klemsan Elektrik
5. TERMINAL TYPE
S = Screw
C = Cage Clamp
6. NUMBER OF ROWS (OF TERMINALS)
7. TERMINAL BLOCK SIZE
1 = 1.5 mm
2
(#14 AWG) 2 = 2.5 mm
2
(#14 AWG)
4 = 4 mm
2
(#12 AWG) 6 = 6 mm
2
(#10 AWG)
10 = 10 mm
2
(#8 AWG) 16 = 16 mm
2
(#6 AWG)
35 = 35 mm
2
(#2 AWG)
For Larger Sizes : Please Contact Customer Service
8. GLAND PLATE LOCATOR
0 = None 1 = Bottom 2 = LHS 3 = Top 4 = RHS
9. OPTIONS (See Catalog)
