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VS-96013B page 1 of 4

VS2 Series

■

Designed to Detect Shock/Vibration

in 3-Planes of Motion

■

Fully Adjustable

■

Includes Magnetic Latching Feature

■

Manual or Electric Reset

Description

The VS2 Series switches are shock sensitive

mechanisms for shutdown of engine or elec-

tric motor powered equipment. These

switches use a magnetic latch to ensure reli-

able operation. Explosion-proof “EX” mod-

els for hazardous locations are available.

Applications

Ideal for use on engines, pumps, compres-

sors, heat exchangers and pumping units, the

VS2 Series can be used anywhere shutdown

protection from damaging shock/vibration is

desired. Switches are field adjustable to sen-

sitivity required in each application.

Specifications

VS2 and VS2C

Case: Equal to NEMA 3R. Suitable for

non-hazardous areas.

VS2: Base mount

VS2C: C-clamp mount, includes 45 ft. (13.7 m)

2-conductor cable, and 5 cable clamps.

Contacts: SPDT-double make leaf contacts,

5A @ 480 VAC.

VS2EX

Case: Base mount, explosion-proof aluminum

alloy housing; meets NEMA 7/IP50 specifi-

cations; Class I, Division 1, Groups C & D;

UL and CSA listed.*

Snap-switches: 2-SPDT snap-switches; 5A

@ 480 VAC;* 2A resistive, 1A inductive,

up to 30 VDC.

Normal Operating Temperature: -40 to

140°F (-40 to 60°C).

VS2EXR

Case: Same as VS2EX.

Snap-switch: 1-SPDT snap-switch and reset

coil; 5A @ 480 VAC;* 2A resistive, 1A

inductive, up to 30 VDC.

Remote Reset : 115 VAC or 24 VDC (specify).

VS2EXRB

Case: Explosion-proof aluminum alloy

housing; rated Class I, Division 1, Group

B hazardous areas.

Snap-switch: 1-SPDT snap-switch with

reset coil (option available for 2-SPDT

switches); 5A @ 480 VAC; 2A resistive,

1A inductive, up to 30 VDC.

Remote Reset: 115 VAC or 24 VDC (specify).

Basic Operation

Pushing the reset button moves the tripping

latch into a magnetically held position.

A shock/vibration will move the magnet

beyond this holding position, thus freeing

the spring loaded tripping latch to transfer

the contacts and shutdown the machinery

(see dimensional diagrams in the following

pages for visual representation of parts).

Remote Reset Option

(VS2EXR and VS2EXRB)

The remote reset option includes a built-

in electric solenoid which allows reset of

tripped unit from a remote location.

Available for 115 VAC or 24 VDC.

Warranty

A limited warranty on materials and workmanship

is given with this FW Murphy product. A copy of

the warranty may be viewed or printed by going to

www.fwmurphy.com/support/warranty.htm

VS2EX

VS2

*CSA and UL listed with 480 VAC rating.

LISTED

VS-96013B

Revised 09-08

Catalog Section 20

00-02-0076

Shock and Vibration Switch

1 2 3 4

Résumé du contenu

Page 1 - Shock and Vibration Switch

VS-96013B page 1 of 4VS2 Series Designed to Detect Shock/Vibrationin 3-Planes of Motion Fully Adjustable Includes Magnetic Latching Feature Manual or

Page 2 - VS2 and VS2C

VS-96013B page 2 of 4ELECTRICAL5 A @ 480 VAC5-3/8 in.(137 mm)VS2C Model3-1/8 in.(80 mm)4-11/16 in.(119 mm)2-1/4 in.(57 mm)5-1/8 in. (130 mm)Mounting H

Page 3 - ELECTRICAL

VS2EXR• Remote Reset Feature• NEMA 7 Specifications• Snap-switch Contacts• TATTLETALE®Reset ButtonModel VS2EXR features an electric remote reset featu

Page 4 - Shipping Information

How to OrderTo order your VS2 Series model use the diagram below.Part number example: VS2EXR-24___ – ___ Options24 = 24 VDC reset coil on VS2E

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Murphy VS2 Series Manuel d'utilisateur

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