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21W

P1-P2
Curtis Industries
A Division of Powers Holdings, Inc.
www.curtisind.com
6SHci¿cDtionssuEMHcttocKDnJH.
Dimensions are shown for
reference purposes only.
40
BARRIER STYLE
Series W 7/16" (11.11mm) Center-to-Center Spacing
Features:
Snap-In Track-Type Concept – To assemble two or three-
pole modules simultaneously, simply insert one edge of
the module under the flange of the track and with very little
pressure snap into place. To remove, push center section of
spring toward molding. Module will “pop free.”
Total Modular Principle – Two and three-pole phenolic
modules are complete with white fiber marking strips and
retaining springs.
Reduced Inventory – No end moldings, mounting brackets
or metal mounting clamps are needed for assembly.
Compact Design –7/16" center-to-center terminals provide
compact circuit density. 164 poles per six foot length.
Terminal Flexibility – Three different terminal variations
are available. Ratings up to 75A/600V.
Durable Modular Construction – All W models feature
rugged thermo-set phenolic moldings.
May be pre-assembled on track
Wire Sizes – Types WT with No. 10-32 tubular terminal
screws UL recognized for No. 16AWG to No 8AWG. Type
WTC tubular clamp terminal with No. 10-32 screws UL
recognized for No. 22AWG to No. 8AWG. Type WH with
5/16-24 terminal screws UL recognized for No. 22AWG to
No. 4AWG.
Recognition and Listing – UL recognized and CSA
certified
Recognized under the Components Program of
Underwriters Laboratories, Inc. Standard 1059,
Guide No. XCFR2, File No. E62557.
Guide No. 22.2 No. 158, Report No. LR39186-1.
O.D.
M.D.
1.312
(33.32)
.281
(7.14)
.343
(8.73)
.437
(11.11)
1.375
(34.92)
1.500
(38.1)
1.375
(34.92)
.218 Dia. Mtg. Hole
(5.55)
O.D.
M.D.
.218 Dia. Mtg. Hole
(5.55)
.875
(22.22)
NOTE: mm dim. are shown in parentheses
How to Order
W Series modules are ordered by listing a composite number
made up of the model designation preceded by a prefix which
indicaes the number of poles per module.
Prefixes are used as follows:
P denotes 1-pole module
2P denotes 2-pole module
Example: a 2-pole WT module becomes stock number 2PWT
and a WH Type available as single terminal module only is
referred to as PWH.
High Voltage/Current
Series W Variations
and Terminal Designations
WT Solderless electro-tinned tubular
connector with No. 10-32 terminal
screws. Accepts wire from No. 16AWG
to No. 8AWG. Rated 50A/600V.
WTC Solderless electro-tinned tubular
connector with No. 10-32 terminal
screws capitivated by traveling pressure
pad. Accepts wire from No. 22AWG to
No. 8AWG. Rated 50A/600V
WH Solderless electro-tinned tubular
connector with sidewall tapped for
5/16" - 24 terminal screw. Accepts
wire from No. 22AWG to No. 4AWG.
Rated 75A/600V.
Series W Dimensions
Curtis Industries
A Division of Powers Holdings, Inc.
1-800-657-0853
Dimensions are in inches and millimeters
unless otherwise speci¿ed.
Values in parentheses are metric equivalents.
41
BARRIER STYLEHigh Voltage/Current
6SeFi¿Fations:
Center-to-Center Spacing: 7/16" (11.11mm)
Wire Range:
WT – No. 16AWG to No. 8AWG
WTC – No. 22AWG to No. 8AWG
WH – No. 22AWG to No. 4AWG
No. of Terminals: 2 thru 164
Voltage Rating: CSA & UL: 600V
Tightening Torque:
WT, WTC 25 in.-lb.
WH 45 in.-lb. (4-6AWG)
40 in.-lb. (8AWG)
35 in.-lb. (10-14 AWG)
Current Rating: WT, WTC: 50A, WH: 75A
Housing:
Material Phenolic
Continuous Use
Temp. (UL Index) 150°C (302°F)
Flammability Rating 94V-1
Water Absorption
(24 hrs. % wt. gain) 0.5%
Chemical Resistance Resistant to most organic
solvents
Breakdown Voltage: WT WTC WH
Terminal - Terminal 6,300V Typ. 5,100V Typ. 10,500V Typ.
Terminal - Ground 10,100V Typ. 10,100V Typ. 7,700V Typ.
Note: Speci¿cations contained herein are subMect to change
without notice.
Series W Accessories
MARKING STRIPS
White ¿ber marking strip available in two or three-pole lengths
or in pre-punched 100-ft. rolls.
To order, specify:
Part No. 271A11 (2PW)
Part No. 271A13 (3PW)
100-ft. Rolls – Part No. 20W
Pins – Part No. 21W
Tracks
Features:
STURD< TRAC. – constructed of heavy steel with zinc-
dichromate plating. Mounting holes are 7/32 inch diameter
and provided continuously on 3/8 inch center-to-center
spacing (SW Series) and 7/16 inch centers (W Series). DIN
mounting holes are slots .248" wide by .709" long on .984"
center-to-center spacing.
EC2N2MICAL STANDARD LENGTHS – mounting track
available in three and six-foot pre-cut lengths for self-cutting
to application needs. DIN track available in two meter (78.74")
lengths.
PRE-CUT TRAC. – available for large volume work where
identical lengths are used. Save cutting time in your plant.
SW, DSW, W AND DW SERIES C2MPATI%ILIT< – track
accommodates both W and SW Series of snap-in track type
modules with any combination of terminal assemblies, fuse
blocks, etc. DIN track accommodates DW and DSW Series
modules.
How to Order
When ordering non-DIN track to a specified size, simply
designate model followed by length required, expressed in
poles. Example: SW with space for 24 poles plus two mounting
holes becomes stock number SW-24. For standard three and
six foot lengths, simply designate model followed by 96 or 192
respectively (SW Series) or 82/164 (W Series). Examples:
SW-96 or SW-192; W-82 or W-164. For DIN track, specify DT
and length of track desired (in 2.5 centimeter increments). For
example, DT-10 designates DIN track 10 centimeters in length.
Dimensions are ± .10 cm.
Fuse blocks, knife switches and WH Type terminal assembles
are the same width as two-pole W modules and therefore
require twice the space of a single pole W.
TERMINAL JUMPER CONNECTS
%rass Mumper connects 12 consecutive
terminals and can be cut for shorter
applications. Part No. 271-A72
Type 275-A16 is designed to
connect two adMacent terminals
of WT and WTC assembles.
Part No. 275-A16
P1-P2

21W

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