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LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A - Multi-Purpose Pump Control Panels
LIBERTY PUMPSMulti-Purpose Pump Control Panels

LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A

The LIBERTY PUMPS Duplex Control Panel is a multi-purpose pump control panel designed for single-phase operation at 120/208/240V AC with a current range of 15 to 20 A. It features a visual alert output, a demand dose…

SKU 3G-OTH-102120

Also listed as: AE21H35 · AE21H 3 5 · AE21H-3-5

Brand
LIBERTY PUMPS
Item
Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A
Category
Multi-Purpose Pump Control Panels
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LIBERTY PUMPS
Manufacturer Part Number
AE21H=3-5
Type
Single Phase, 15 to 20 A, Tether Float
AC
120/208/240V
Current
15 to 20 A
Alert Output
Visual
Rated Voltage
120/208/240V AC
Dosing Schedule
Demand Dose
Intrinsic Safety
Not Specified Intrinsically Safe
Includes Reversing
Non-Reversing

Technical Documents

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LIBERTY PUMPS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LIBERTY PUMPS Duplex Control Panel is a multi-purpose pump control panel designed for single-phase operation at 120/208/240V AC with a current range of 15 to 20 A. It features a visual alert output, a demand dose dosing schedule, and is non-reversing with tether float control (MPN AE21H=3-5). This panel is not specified as intrinsically safe.

Frequently Asked Questions

What is the LIBERTY PUMPS Duplex Control Panel used for?

The LIBERTY PUMPS Duplex Control Panel manages two pumps in a demand-dose wastewater or effluent system. It alternates pump operation to balance wear and provides a visual alert for high-level conditions. This panel is suited for single-phase residential or light commercial lift stations.

What are the specifications of the LIBERTY PUMPS Duplex Control Panel?

This duplex panel operates on 120/208/240V AC single-phase power, rated for 15 to 20 A. It uses a tether float for level control, features a visual alert output, and is non-reversing with a demand-dose dosing schedule. The manufacturer part number is AE21H=3-5.

Where to buy the LIBERTY PUMPS Duplex Control Panel worldwide?

3G Electric supplies the LIBERTY PUMPS Duplex Control Panel to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this panel.

How to install a LIBERTY PUMPS Duplex Control Panel?

Installation should follow the manufacturer's manual and local electrical codes. Mount the panel in a dry, accessible location, connect incoming power per the voltage rating (120/208/240V AC), wire the two pumps and tether float switch, and verify the visual alert functions before commissioning.

Used in

Common applications for LIBERTY PUMPS
Municipal wastewater treatment — LIBERTY PUMPS Quadplex Control Panel (MPN QE34=6-511-3) for managing multiple pump stations
Commercial building sump management — LIBERTY PUMPS Duplex Control Panel (MPN AE34=3-621-5) for alternating pump operation
Residential sewage handling — LIBERTY PUMPS 41-gallon polyethylene basin (MPN K001132) for below-grade installations
Industrial effluent transfer — LIBERTY PUMPS Grinder Pump (MPN LSGH503MV-5) for solids reduction in high-flow applications
Emergency backup sump systems — LIBERTY PUMPS Battery Backup Sump Pump (MPN 442-10A-EYE) with Wi-Fi monitoring for flood prevention
Single-pump dewatering — LIBERTY PUMPS Simplex Control Panel (MPN SX24HC1=3) for small-scale water removal

LIBERTY PUMPS Products

3G Electric supplies LIBERTY PUMPS multi-purpose pump control panels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=3-3)
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LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=3-3)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=4-3)
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LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=4-3)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=4-5)
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LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=4-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=3)
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LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=3)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=4)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE21H=4)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE24H=3-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 15 to 20 A, Tether Float (MPN AE24H=3-5)

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