Product Detail Manual

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SYS19: BASE2 JOB: CH62318A-1075-1 Name: 3P-995 DATE: JUL 19 2002 Time: 11:04:02 AM Operator: CP COLOR: CMYK TCP: 15001 Typedriver Name: TS name csm no.: 100 Zoom: 100

STIBOINFO((CRH:MAIN:3P:995))

995

PDFINFO C H0 0 3 P - 3

Copyright2002 Cooper Industries, Inc.

3P

WSR, WSRD, WSRDW, WSRD CH S901

Interlocked Arktite



Receptacles with Enclosed

Disconnect Switches

APJ/NPJ Plugsɍɍ

30,60,100A

NEMA 3,3R,4,4X,12

Raintight

Watertight

Corrosion-Resistant

WSR WSRD‡2For viewing window & SS see note 2

System Amps

Conduit

Opening

Sizes§

240VAC

600VAC

250VDC

Cat. #

Max.

HP

Rating

240VAC

Max.

HP

Rating

480VAC

Max.

HP

Rating

600VAC

600VAC

250VDC

Cat. #

Max.1

HP

Rating

480VAC

Max.1

HP

Rating

600VAC

3-Wire, 3-Pole

Style 1, Fusible

30 1 WSR3351* 71⁄215 20 WSRD3351* 15 20

60 11⁄4WSR6351* 15 30 50 WSRD6351* 30 50

100 11⁄2WSR10351* 30 60 75 WSRD10351* 60 75

3-Wire, 4-Pole

Style 2, Fusible

30 1 WSR3352* 71⁄215 20 WSRD3352*15 20

60 11⁄4WSR6352*15 30 50 WSRD6352*30 50

100 11⁄2WSR10352* 30 60 75 WSRD10352*60 75

3-Wire, 3-Pole

Style 1, Non-

Fusible

30 1 WSR33541 71⁄215 20 WSRD33541 15 20

60 11⁄4WSR63541 15 30 50 WSRD6354130 50

100 11⁄2WSR103541 30 60 75 WSRD103541 60 75

3-Wire, 4-Pole

Style 2, Non-

Fusible

30 1 WSR33542 71⁄215 20 WSRD33542 15 20

60 11⁄4WSR6354215 30 50 WSRD6354230 50

100 11⁄2WSR103542 30 60 75 WSRD103542 60 75

APJ/NPJ Plugs

Amps Max. Volts

Outside Dia. of Cable,

Flexible Conduit or

Armored Cable

Style 1† 3-wire,

3-pole Cat. #

Style 2† 3-wire,

4-pole Cat. #

30 250 DC 0.60 to 1.20 APJ3375 APJ3485

600 AC 0.55 to .070 NPJ3483

0.70 to 0.85 NPJ3484

60 250 DC 0.75 to 1.45 APJ6375APJ6485

600 AC 0.75 to 1.07 NPJ6484

1.07 to 1.35 NPJ6485

100 250 DC 1.00 to 1.70 APJ10377 APJ10487

600 AC 0.93 to 1.21 NPJ10486

1.21 to 1.50 NPJ10487

*Arranged for NEC Class H fuses. May be field converted to NEC

Class J fuses.

ɍɍ Pressure connectors are supplied as standard. To specify

crimp/solder type terminators, add the suffix ‘‘T’’ to the catalog number.

For example: APJ3375-T (Plug).

§Furnished with reducer which may be removed to obtain one size

larger opeing. Locknut and bushing used must meet NEC

requirements. (WSR only).

†Style 1 – Grounded through shell. Style 2 – Grounded through extra

pole and shell. For a detailed description of these grounding methods,

see page 937.

‡Conduit entrances not furnished.

1Ratings of unfused and fusible switches with time delay fuses.

2Viewing window – add ‘‘W’’ to prefix, i.e.: WSRDW6352.

Stainless steel – add suffix ‘‘CHS901’’, i.e.: WSRD6352CHS901

Dimensions

WSR

Amps. 30 60 100

a113⁄4113⁄4147⁄8

b201⁄16 201⁄16 265⁄16

c69⁄16 69⁄16 99⁄16

d71⁄471⁄481⁄4

e215⁄32 215⁄32 27⁄8

f2711⁄16 2811⁄16 353⁄8

g43⁄451⁄471⁄4

gg 76

13⁄16 73⁄4

Mtg.

Holes 3⁄83⁄87⁄16

WSRD

60 Amps.

g513⁄16

gg 613⁄16

Mtg.

Holes 5⁄16

Dim. ‘‘g’’ and ‘‘gg’’ are exposed portion

of plug when engaged with receptacle.

WSR WSRD

APJ NPJ APJ NPJ

– available with Lightning ServiceTM delivery. See Section G for complete details.

2: 5: 50: 95: 98: 100:

SYS19: BASE2 JOB: CH62318A-1074-1 Name: 3P-994 DATE: JUL 19 2002 Time: 11:03:58 AM Operator: CP COLOR: CMYK TCP: 15001 Typedriver Name: TS name csm no.: 100 Zoom: 100

STIBOINFO((CRH:MAIN:3P:994))

994

PDFINFO C H0 0 3 P - 2

Copyright2002 Cooper Industries, Inc.

3P

WSR, WSRD, WSRDW, WSRD CH S901

Interlocked Arktite



Receptacles with

Enclosed Disconnect Switches

30,60,100A

NEMA 3,3R,4,4X,12

Raintight

Watertight

Corrosion-Resistant

WSR

Aluminum

NEMA 3R,12

WSRD

Sheet Metal

NEMA 3R,12

WSRDW

Sheet Metal

Viewing Window

NEMA 3R,12

WSRD CH S901

Stainless Steel

NEMA 3,3R,4,4X

Application:

ɀThe WSR and WSRD disconnect switches

are used as a service outlet for portable or

fixed electrical equipment – generators,

compressors, welders, etc.

ɀThey are designed for use in non-

hazardous areas where dust, moisture and

corrosion may be a problem.

ɀDesigned for flush or surface mounting.

ɀA fusible type switch, when used, also

provides short circuit protection.

Features:

WSR and WSRD:

ɀSwitches are NEMA type HD heavy duty

3-pole, with visible blades; a quick make-

and-break mechanism with reinforced,

positive pressure type blade and jaw

construction. Fusible types have fuse clips

with steel reinforcing springs of positive

pressure type. Pressure connectors are used

for wire connectors.

ɀFor maximum safety, the spring door

receptacle at the bottom of the unit is

mechanically interlocked with the switch

operating mechanism. The switch

cannot be

closed

until the plug is fully inserted and the

plug

cannot be withdrawn or inserted

unless

the switch is open. With the switch open,

accidental plug withdrawal is prevented

by

the interlock mechanism. Withdrawal can

only be accomplished by activation of the

interlock release lever located on the

receptacle.

ɀEnclosures are compact and rectangular in

shape with a gasketed, hinged door.

ɀEnclosure, handle and other exterior parts

are corrosion resistant.

ɀThe switch enclosure covers are

interlocked with the body and operating

mechanism and cannot be opened when the

plug is engaged and the switch is closed

(‘‘ON’’). When the switch

is open

, the switch

cannot be

put in a closed (‘‘ON’’) position

with the door open.

WSR:

ɀMounting lugs may be rotated 90°or

moved to the vertical centerline portion for

pole mounting.

ɀSide hinged covers are retained in a closed

position by compression spring draw-pull

catches, which permit the opening or closing

of the cover without tools.

ɀThe switch operating handle may be

padlocked in the ‘‘ON’’ or ‘‘OFF’’ position,

thereby preventing unauthorized operation of

the switch and/or opening of the enclosure.

Up to three padlocks may be used. In

addition, a unique hinge arrangement has

been devised to allow the door of the unit to

be padlocked. This feature allows operation

while preventing unqualified or unauthorized

entry.

Standard Materials:

WSR and WSRD:

ɀReceptacle housings and plug exteriors –

copper-free aluminum

ɀInsulation (plug and receptacle) –

fiberglass-reinforced polyester

ɀPressure contacts – brass

ɀCrimp/solder contacts – leaded red brass

WSR:

ɀEnclosure – copper-free aluminum

ɀOperating handle – copper-free aluminum

ɀOther exterior parts – stainless steel

WSRD:

ɀEnclosure – sheet steel

ɀOperating handle – sheet steel

ɀOther exterior parts – stainless steel

WSRD CH S901:

ɀEnclosure – stainless steel

Standard Finishes:

ɀCopper-free aluminum – WSR enclosure,

plug exteriors – natural

ɀStainless steel – natural

ɀLeaded red brass – electro-tin-plate

ɀBrass – natural

ɀSheet steel – baked grey enamel

ɀFiberglass-reinforced polyester – natural

(red)

Electrical Rating Ranges:

ɀ3 and 4 pole; fusible or non-fusible; 240

vac, 250 vdc; 600 vac

ɀ30, 60, 100 amperes

ɀ71⁄2to 75 HP

Certifications and

Compliances:

WSR:

ɀNEMA 3R, 4, 12 (enclosure)

ɀUL Standard 98

WSRD:

ɀNEMA 3R, 12

ɀUL Standard 98

WSRD CH S901:

ɀNEMA 3, 3R, 4, 4X

ɀUL Standard 98

Options:

ɀInteriors rotated 221⁄2°to the right (viewed

from face) – add suffix S4 to Cat. No.

ɀAuxiliary switch, 600 vac-dc heavy duty

push button station rating, can be supplied,

and its contacts will close after safety switch

contacts open and close before safety switch

opens ..............................S483

ɍɍ Pressure connectors are supplied as standard. To

specify crimp/solder type terminations, add the suffix ‘‘T’’ to

the catalog number. For example: APJ3375-T (Plug)