MVS

Dwyer Series MVS Miniature Vacuum Switch

$ 21.75–$ 23.00

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Product Description

SPDT N/O or N/C Switch, Adjustable Set Point, Ideal for OEM’s

Compact, lightweight, and adjustable, the Series MVS Miniature Vacuum Switch is specially designed for OEM applications. This low cost switch has a minimum life expectancy of 10 million cycles and has an extremely fast response time. Typical applications for the MVS are HVAC, home appliance, dairy systems, medical, office equipment, and pump control.

Product Applications

  • OEM
  • HVAC applications
  • Medical equipment
  • Dairy equipment
  • Pump control

Models

Model Description
MVS-1 Miniature vacuum switch, min. set point 3″ w.c. (8 mbar), max. set point 8″ w.c. (20 mbar), 1/4″ smooth port process connection.
MVS-2 Miniature vacuum switch, min. set point 9″ w.c. (21 mbar), max. set point 80″ w.c. (199 mbar), 1/4″ smooth port process connection.
MVS-3 Miniature vacuum switch, min. set point 81″ w.c. (200 mbar), max. set point 330″ w.c. (822 mbar), 1/4″ smooth port process connection.
MVS-4 Miniature vacuum switch, min. set point 3″ w.c. (8 mbar), max. set point 8″ w.c. (20 mbar), 1/8″ male NPT process connection.
MVS-5 Miniature vacuum switch, min. set point 9″ w.c. (21 mbar), max. set point 80″ w.c. (199 mbar), 1/8″ male NPT process connection.
MVS-6 Miniature vacuum switch, min. set point 81″ w.c. (200 mbar), max. set point 330″ w.c. (822 mbar), 1/8″ male NPT process connection.

Specifications

Service:
Air or compatible fluids on “high side”.
Wetted Materials:
Housing: polycarbonate; Diaphragm: polyurethane.
Temperature Limits:
40 to 150°F (4 to 66°C).
Pressure Limits:
Up to maximum range.
Repeatability:
±20%.
Switch Type:
SPDT normally open or normally closed.
Electrical Rating:
Range 3 to 8″ w.c.: 3A, 125/250 VAC; Range 9 to 80″ w.c.: 10A, 125/250 VAC; Range 81 to 330″ w.c.: 15A, 125/250 VAC.
Contacts:
Silver with brass terminals.
Electrical Connections:
Terminals – 0.187″ x 0.20: spade for use with quick disconnects.
Process Connections:
Models MVS-1 to MVS-3: Smooth port 0.25″ diameter; Models MVS-4 to MVS-6: 1/8″ male NPT.
Mounting:
Use #2 screws through eyelets.
Weight:
Less than 19 g.
Agency Approvals:
cUL, UL.

Features

  • High switch cycle means long life for extended duty applications

Literature

Catalog Pages

Series MVS Catalog Page

Approvals

Drawings

Model Chart

EXAMPLE MVS 1 PRESET Series MVS-1-PRESET Miniature Vacuum Switch, range 3-8″ w.c., 0.25″ diameter smooth port, with preset option.
SERIES MVS     Miniature Vacuum Switch
RANGE/CONNECTION   1
2
3
4
5
6		   3-8″ w.c./0.25″ Diameter Smooth Port
9-80″ w.c./0.25″ Diameter Smooth Port
81-330″ w.c./0.25″ Diameter Smooth Port
3-8″ w.c./1/8″ Male NPT
9-80″ w.c./1/8″ Male NPT
81-330″ w.c./1/8″ Male NPT
OPTIONS     PRESET Preset

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