Hubbell Killark VWSQ Series Installation, Operation & Maintenance Data Sheet Download Page 2

Page 2 of 5

3940 Dr. Martin Luther King Drive

St. Louis, MO 63113
P/N 00912336 FORM NO. K1225 R09/16 ECO-7-023-16

This device cannot be used as a replacement for 

VSQ series or other hazardous location devices. 

VSQ & VWSQ covers are NOT interchangeable.

1. APPLICATIONS

• 

VWSQ series dead front interlocked receptacle 

with switch 

 •  Designed for supplying power to fixed or 

portable electrical equipment.

2. ELECTRICAL  RATING

   

 Maximum voltage – 600 VAC @ 50-400Hz. 

    Continuous Current – 30 Amperes.

Mounting Arrangement:

1. Receptacle assembly must be mounted 

securely onto column, wall, or other structure 

that is able to support the device and associated 

conduit system. Structure is to be prepared for 

use of four (4) 3/8” steel bolts (furnished by 

others) using lugs in the enclosure spaced as 

shown in Fig. 1. Device is equipped with factory 

installed hinges. Device must be mounted with 

the hinges on the bottom and the receptacle 

mounted in downward direction. 

 Conduit Installation:

1. 1 ½” NPT conduit entries are provided on top 

and bottom of the housing.

2. Make sure conduit entries are clean before 

installing conduit/close-up plugs/reducers 

etc. Killark “LUBG” thread lubricant is 

recommended for this application.

  Wiring

1. Develop and establish the wiring pattern 

for your system. Locations having different 

voltages and/or frequencies must not have 

interchangeable attachment plugs. Always test 

before energizing.

2. Make sure to pull sufficient length of supply 

conductors to connect the enclosed terminals.

3. Strip the conductors to the length shown in 

table.

WARNING: Use only copper cable or wire for the range 

indicated in the table. 75

°

C rated conductors (minimum).

Wire Range

Strip Length

Torque

Switch

#10 - #8

0.750 inches

20 lb-in.

Ground

#16 - #6

0.500 inches

20 lb-in.

Fig. 1

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