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E/One Sentry Protect Plus Alarm Panel – for Duplex Grinder Pump Stations

E/One Sewer Systems has added Protect Plus for duplex grinder pump stations to its Sentry alarm panel offerings, further enhancing the strongest panel line in the category.

E/One Sentry alarm panels are UL-listed and include lockable, NEMA 4X-rated enclosures. From basic monitoring to advanced warning of pending service needs, E/One Sentry panels are customizable and designed for use with simplex and duplex Extreme Series grinder pump stations.

The Protect Plus panel’s dead front includes a membrane switch with LED indictors and an LCD message display. The Protect Plus option provides protection from low voltage (brownout), run dry and high system pressure situations. With each condition, a lockout cycle will prevent the motor from operating, the Trouble LED will illuminate and the LCD will display the lockout message.

Features exclusive to Protect Plus include: high/low voltage monitoring; high/low wattage monitoring; extended run time; cycle/event counter; adjustable run time limit; adjustable power-up and alarm delays; and system self-test.

Available options include generator receptacle with auto transfer; main service disconnect; E/One’s Remote Sentry (indoor alarm module); and an external auto-dialer.


  • Corrosion-proof fiberglass enclosure
  • NEMA 4X rated enclosure
  • Lockable latch with padlock
  • Predictive status display module
  • Pre-alarm indication for major operating parameters
  • Alarm indications for major operating parameters
  • Hour meter, cycle counter and alarm delay
  • LCD display and user-friendly interface
  • Inner cover (dead front)
  • Contact group — dry contacts and Remote Sentry contacts
  • Programmable User Settings

Drawings & Brochure

E/One Sentry Brochure (PDF)

E/One Sentry Drawings, Protect Plus for Duplex Stations (PDF)





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