✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
Description
Advanced Duplex Pump Control Panel with Alternating Operation & Full Alarm System
The SJE NEX Series® Duplex Control Panel is a fully integrated solution for controlling two single-phase pumps in residential water and wastewater systems. Designed with alternating pump logic, this panel ensures even wear distribution, extending pump life and improving overall system reliability.
In the event of a pump failure or high-level condition, the system automatically overrides to the second pump and activates a full audible/visual alarm system, ensuring continuous operation and immediate notification.
With universal voltage compatibility (120/208/240V) and a rugged NEMA 4X enclosure, the NEX duplex panel delivers plug-and-play flexibility and long-term durability for both indoor and outdoor installations.
Key Features
- Duplex control panel for two-pump systems
- Alternating pump operation balances wear between pumps
- Rated for 0-12 Amps (contact us for higher amp requirements)
- Override function ensures backup pump operation if one fails
- Compatible with 120V, 208V, and 240V single-phase power
- NEMA 4X thermoplastic enclosure for outdoor durability
- HOA (Hand-Off-Auto) switches for manual control
- Pump run and float status indicator lights
- Circuit breakers and fuses included
- Padlockable latch for added security
- Integral mounting feet for easy installation
- Includes 20' SJE SignalMaster® control switches (SKU 1051631 and 1051630 only)
- Optional elapsed time meters available (contact us for details)
Standard Alarm Package Includes
- Red alarm beacon (visual alert)
- Audible alarm horn (85–90 dB)
- External test/silence push button
- Auxiliary alarm contacts (Form C) for remote monitoring
Specifications
| Attribute | Value |
|---|---|
| Application | Two Pumps (Duplex) |
| Voltage | 120 / 208 / 240V |
| Phase | Single-Phase |
| Amps | 0 - 12 Amps |
| Frequency | 50/60 Hz |
| Enclosure Size | 10" x 8" x 4" |
| Enclosure Type | NEMA 4X Thermoplastic |
| Float Control Voltage | 12 VDC |
| Pump Amps | 0–12A / 9–20A |
| Alarm Contacts | Form C, 5A @ 120V |
| Alarm Horn | 85–90 dB |
| Certification | UL / cUL Listed |
| Warranty | 5-Year Limited |
Typical Applications
- Residential septic systems with dual pumps
- Sewage lift stations
- Effluent systems requiring redundancy
- High-demand or critical wastewater systems
Frequently Asked Questions (FAQs)
What is a duplex control panel?
A duplex panel controls two pumps, alternating operation between them to balance wear and provide backup.
Why is alternating control important?
It ensures both pumps are used evenly, extending equipment life and improving reliability.
What happens if one pump fails?
The system automatically switches to the second pump and activates the alarm system.
Does this panel include float switches?
Yes, if you choose the model that mentions it includes floats. It includes 20 ft SJE SignalMaster® control switches.
What voltages does this panel support?
It supports 120V, 208V, and 240V single-phase power.
Can this be installed outdoors?
Yes. The NEMA 4X enclosure is designed for outdoor and indoor use.
Is this suitable for residential use?
Yes. The compact design makes it ideal for residential and light commercial systems.
How loud is the alarm?
The alarm horn is rated at 85–90 decibels.
Manuals & Documentation
✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
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