Module L55 – Walk-in Pumping Station

Features and Specifications

The Arrow Model L55 is a complete prefabricated “walk-in” control panel for sewage pumping stations. This product is designed to be a cost effective alternative that is superior to typical outdoor panels.


  • Designed to be comparable in cost to outdoor stainless panels
  • (2 or 3) Pump Control Center
  • Comes factory assembled (controls integrated into module upon delivery)
  • Compartmentalized design
  • 24 Volt PCP
  • Lightning protection (TVSS)
  • Transfer switch with status panel
  • 120V branch breakers
  • Motor circuit breakers with lockout provisions
  • Motor starters (FVNR, RVSS or AFD)
  • Pump overtemp & seal monitoring
  • User-friendly automatic pump controller & back up float controls
  • Terminal connections and space for telemetry
  • Thermostatically controlled electric heater
  • Thermostatically controlled ventilation
  • Insulated steel base frame & stone aggregate exterior
  • Entry Keypad & Insulated 4-panel door
  • Interior and exterior lighting


Nominal Dimensions

  • 5′ wide x 5’4″ long x 8′ high

Approximate Weight

  • 2,800 lbs.

Standards & Approvals

  • U.L. Listed
  • Uniform Building Code
  • National Electric Code
  • Sensor Connections UL 689A