• Murphy

VS2™ Series

The VS2 Series switches are shock-sensitive mechanisms for shutdown of engine or electric motor powered equipment.

It is designed to detect shock/vibration in three planes of motion. These fully adjustable switches use a magnetic latch to ensure reliable operation. Explosion-proof EX models for hazardous locations are available. Ideal for use on engines, pumps, compressors, heat exchangers and pumping units, the VS2 Series can be used where shut-down protection from damaging shock/vibration is desired. Switches are field adjustable to the sensitivity required in each application.

  • CSA mark (for Canada)
  • UL mark
Specifications Downloads
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Specifications Drawer: 
  • Normal Operating Temperature: -40° to 185°F (-40° to 85°C); For UL  and CSA applications, applicable temperature specification is de-rated to -40° to 140°F (-40° to 60°C)
  • VS2 and VS2C
    • Case: Environmental Protection: Ingress protected to IP54 (when mounted on a horizontal surface with drain holes down). Suitable for non-hazardous areas. VS2C: C-clamp mount, includes 45 ft. (13.7 m) 2-conductor cable and 5 cable clamps
    • Contacts: SPDT-double make leaf contacts, 3A @ 240 VAC; 10A @120 VAC; 10A @ 32 VDC
    • Shipping Weight: VS2: 2 lb. 8 oz. (1.1 kg); VS2C: 7 lb (3.2 kg)
    • Shipping Dimensions: VS2: 8-1/4 x 9-1/4 x 5 in. (210 x 235 x 127 mm); VS2C: 12 x 7 x 5-1/2 in. (305 x 178 x 140 mm)
  • VS2EX
    • Case: Base mount, explosion-proof aluminum alloy housing; meets IP54 specifications; Class I, Division 1, Groups C & D; UL and CSA listed
    • Certification: CSA, UL
    • Snap switches: 2-SPDT snap switches; 5A @ 480 VAC; 2A resistive, 1A inductive, up to 30 VDC
    • Shipping Weight: 4 lb. 8 oz. (2 kg)
    • Shipping Dimensions: 8-1/4 x 9-1/4 x 5 in. (210 x 235 x 127 mm)
  • VS2EXR
    • Case: Same as VS2EX
    • Certification: CSA, UL
    • 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)
    • Shipping Weight: 5 lb. 8 oz. (2.2 kg)
    • Shipping Dimensions: 8-1/4 x 9-1/4 x 5 in. (210 x 235 x 127 mm)
  • VS2EXRB
    • Case: Explosion-proof aluminum alloy housing; designed to meet Class I, Division 1, Group B hazardous areas
    • Certification: No third-party certification
    • 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)
    • Shipping Weight: 17 lb. 8 oz. (7.9 kg)
    • Shipping Dimensions: 12 x 12 x 10 in. (305 x 305 x 254 mm)

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.

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