Zoeller Control Panel 840 Duplex

August 19, 2024 By: Rcwrost

Zoeller Control Panel 840 Duplex Description

The control panel can be housed in a NEMA 4X enclosure and be of a simplex design which controls a single pump from a 3-float system or a duplex design which controls two pumps in an alternating lead/lag cycle sequence from a 3 or 4-float system. The panel contains the required starting, control, & alarm circuits. Rated motor starters and circuit breakers are required for each pump. The 115-volt control circuit will have short circuit protection. The panel will have pump run pilot light(s) and pump & alarm selector switches. The panel will be equipped with circuit(s) which automatically reverses the direction of the cutter blades. A seal leak indicator light is required as well as a thermal cut-out connection for 3 phase systems. A padlock hasp will be provided. High water conditions will be indicated by a visible light with polycarbonate cover. Numbered terminal strips are required. A wiring schematic and troubleshooting guide will be included with each panel. The panel will be UL listed and be labeled as such.

Zoeller Control Panel w/Automatic Reversing Circuit Std. Duplex. (840 only) 10-0397 fits:

Zoeller Control Panel 840 Duplex Features and Benefits

NEMA 4X Outdoor Rating
Starting, Control, and Alarm Circuits
Thermal Cut-Out Circuit (3 phase only)
Circuit Breaker and Rated Motor Contactor (single phase)
Capacitors and Motor Starting Relay On
Single Phase
Motor Protective Switch (circuit breaker / adj overloads) and Rated Motor Contactor (3 Phase)
Alternating Circuit (duplex)
Automatic Reversing Circuit
High Water Alarm Light
Internal Seal Leak Light
HOA Switches and Pilot light(s)
Terminal Strips
Padlock Hasp
Capacitors/Start Relay (single phase)