5477B Electronic Vibration Switch
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Catalog excerpts

5477B Electronic Vibration Switch - 1

Electronic Vibration Switch 5477 2-Wire Design for Upgrading Existing Mechanical Installations The Model 5477 features two-wire hookup and solid state reliability. This makes it an ideal replacement for mechanical vibration switches when increased accuracy and repeatability are required. SEISMIC PRODUCTS Powered by an AC or DC control circuit, the unit closes or interrupts the circuit when the base vibration level exceeds the field adjustable setpoint. Separate start-up and monitor delays prevent nuisance trips. A flashing red LED illuminates upon a tripped condition and an optional LCD digital indicator provides a convenient display of vibration level. The removeable electronics module plugs into the weathertight, explosion-proof aluminum housing. The wire entry is sealed against moisture. An NPT stud provides a rigid, single hole mount to machinery. Typical Installations Features • Accelerometer based - velocity response • Single setpoint • Separate startup and monitor trip delays • External setpoint adjustment • Optional built-in vibration LCD indicator SWITCHES ENGINE COMPRESSOR User Wiring Diagrams Applications • Upgraded monitoring for mechanical vibration switch using existing wiring • Centrifugal Pumps • Reciprocating Compressors • Centrifuges • Cooling Towers • Industrial Fans • Electric Motors • Natural Gas/Diesel Engines Note: For dual setpoint needs or additional options, see multi-wire, fully optioned Models SW6000 (pg 4.07) or 440/450 (pg 4.02) electronic switches. 4.09 CENTRIFUGAL PUMP/MOTOR See Accessory P/N 94500-06X www.metrix1.com • info@metrix1.com • Sales & Service Tel: 281-940-1802 • Fax: 713-559-9421 • 05/10

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5477B Electronic Vibration Switch - 2

Electronic Vibration Switch 5477 2-Wire Design for Upgrading Existing Mechanical Installations Specifications Weight & Dimensions Replaceable Module S8372-XXX SEISMIC PRODUCTS SEISMIC PRODUCTS Vibration Ranges: See Table Frequency Range: 3 Hz to 500 Hz Setpoint: Externally adjustable with tamperproof graduated dial Startup Trip Delay: 30 seconds (standard) from application of power Monitor Trip Delay: 3 seconds (standard) Trip Logic: AC Supply: N.C. triac is standard. N.O. field selectable. Nonlatching, automatic reset.. DC Supply: N.O., latching. Interrupt input power supply to reset....

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