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Robertshaw Model 365 Vibration Switch for Hazardous Areas

Robertshaw Model 365 vibration switch for hazardous areas This unit is no longer available - see the 365A



The Model 365 vibration switch is an acceleration sensitive instrument resistant to hazardous environments that measures the total acceleratory shock present on the machine and will be triggered when the total acceleration exceeds its designated threshold.

Description

Around the globe, companies have come to trust Robertshaw's line of innovative industrial products.  Their well known valves, controls, and sensors provide unsurpassed reliability.

The Model 365 vibration switch provides protection for large motors, pumps, compressors, and other rotating equipment by alerting the user to excess vibration. Failing bearings, bent shafts, broken blades, over-speeding and similar malfunctions cause increased imbalance or high frequency vibration detectable with the model 365 vibration switch. The instrument may be wired to actuate an alarm or cause a shutdown before costly damage occurs. The switch is designed for maintenance-free service in permanent installations.

Acceleratory measurements made by the vibration switch are the summation of all the individual accelerations giving a total destructive force acting on the machine - the result is positive worry free protection.

Features & Benefits

Acceleration Sensitive
Measures destructive forces.
Minimal Maintenance
No moving parts except at trip level.
Explosion Proof
CSA Certified and FM approved. (Most models.)
Self Powered
Does not require external power to operate (Except remote reset.)
Easy Installation
Requires no special training.
Long Life
Instrument is rugged and durable-no wear.
Reset
Remote electrical or manual at unit.
AC or DC Reset coil options.
O-Ring Shaft Seals Standard

Popular Models - See Data Sheet for Other Models and Specifications

All are rated for:

  • Class I, Div 1, Groups C & D; Class I, Div 1, Groups C & D
  • Class II, Div. 1, Groups E, F
  • Class II, Div. 1, Groups E, F

There are also DPDT – 2 gang mounted SPDT sealed switches with gold contacts for low voltage/current applications.



Model 365-A8

  • Range 0-4.5 G
  • SPDT Switch
  • 7 A max. at 460 VAC max. noninductive;
  • 2 A max. at 24 VDC;
  • 120 VAC reset coil

Model 365-D8

  • Range 0-4.5 G
  • DPDT Switches
  • 5 A max. at 240 VAC max.;
  • 5 A max. at 30 VDC.
  • 120 VAC reset coil

Model 365-A4

  • Range 0-4.5 G
  • SPDT Switch
  • 7 A max. at 460 VAC max. noninductive;
  • 2 A max. at 24 VDC;
  • 48 VDC reset coil

Model 365-A2

  • Range 0-4.5 G
  • SPDT Switch
  • 7 A max. at 460 VAC max. noninductive;
  • 2 A max. at 24 VDC;
  • 24 VDC reset coil