We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

LIBERTY PUMPS Multi-Purpose Pump Control Panel - Multi-Purpose Pump Control Panels
LIBERTY PUMPSMulti-Purpose Pump Control Panels

LIBERTY PUMPS Multi-Purpose Pump Control Panel

The LIBERTY PUMPS Duplex Control Panel is a multi-purpose pump control panel designed for single-phase operation at 120/208/240V AC, supporting a current range of 0 to 14.9 A. It features a demand dose dosing…

SKU 3G-OTH-96253

Also listed as: AE21L33 · AE21L 3 3 · AE21L-3-3

Brand
LIBERTY PUMPS
Item
Multi-Purpose Pump Control Panel
Category
Multi-Purpose Pump Control Panels
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

LIBERTY PUMPS
Manufacturer Part Number
AE21L=3-3
Type
Single Phase, 0 to 14.9 A, Tether Float
AC
120/208/240V
Current
0 to 14.9 A
Alert Output
Audio
Rated Voltage
120/208/240V AC
Dosing Schedule
Demand Dose
Intrinsic Safety
Not Specified Intrinsically Safe
Includes Reversing
Non-Reversing

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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, supporting a current range of 0 to 14.9 A. It features a demand dose dosing schedule, non-reversing functionality, and an audio alert output. This panel is not specified as intrinsically safe and is identified by manufacturer part number AE21L=3-3.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the LIBERTY PUMPS Duplex Control Panel used for?

The LIBERTY PUMPS Duplex Control Panel is used to manage two pumps in alternating or demand-dose operation for wastewater, effluent, and dewatering applications. It provides automatic pump sequencing and audio alerts, making it suitable for residential and light commercial systems where single-phase power at 120/208/240V AC is available.

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

The LIBERTY PUMPS Duplex Control Panel (MPN AE21L=3-3) operates on single-phase 120/208/240V AC and handles a current range of 0 to 14.9 A. It features a demand dose dosing schedule, non-reversing functionality, and an audio alert output. The panel is not specified as intrinsically safe.

Where to buy the LIBERTY PUMPS Duplex Control Panel worldwide?

3G Electric supplies the LIBERTY PUMPS Duplex Control Panel worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this panel to any country.

How to install the LIBERTY PUMPS Duplex Control Panel?

Install the LIBERTY PUMPS Duplex Control Panel by mounting it in a dry, accessible location and connecting single-phase 120/208/240V AC power to the designated terminals. Wire the two pumps and tether float switches per the wiring diagram. Always follow local electrical codes and consult a licensed electrician for safe installation.

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.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=4)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=4)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=4-3)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=4-3)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=4-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=4-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=3)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=3)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=3-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE21L=3-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE24L=4-3)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 14.9 A, Tether Float (MPN AE24L=4-3)

More from LIBERTY PUMPS

View all LIBERTY PUMPS parts
Multi-purpose pump control panel for duplex pump systems operating at 575V AC and 6 to 10 A. Includes three tether float switches for demand dose level control and provides a visual alert output. Non-reversing type suitable for alternating or lead-lag pump operation in fluid handling applications
LIBERTY PUMPS
Multi-purpose pump control panel for duplex pump systems operating at 575V AC and 6 to 10 A. Includes three tether float switches for demand dose level control and provides a visual alert output. Non-reversing type suitable for alternating or lead-lag pump operation in fluid handling applications
Multi-purpose pump control panel for quadplex configurations, rated 208/230V AC and 6 to 10 A. Non-reversing with audio alert output and demand dose dosing schedule. Enclosure is plastic with NEMA 4X rating. Suitable for managing up to four pumps in wastewater, sewage, or dewatering systems
LIBERTY PUMPS
Multi-purpose pump control panel for quadplex configurations, rated 208/230V AC and 6 to 10 A. Non-reversing with audio alert output and demand dose dosing schedule. Enclosure is plastic with NEMA 4X rating. Suitable for managing up to four pumps in wastewater, sewage, or dewatering systems
This simplex pump control panel from LIBERTY PUMPS is designed for managing a single pump in wastewater and effluent systems. It operates on a demand dose schedule with an audio alert for high-water conditions. The panel accepts 208/240/480V AC input and handles 2.5 to 4 A current. It is non-reversing, features a tether float switch, and comes in a plastic enclosure
LIBERTY PUMPS
This simplex pump control panel from LIBERTY PUMPS is designed for managing a single pump in wastewater and effluent systems. It operates on a demand dose schedule with an audio alert for high-water conditions. The panel accepts 208/240/480V AC input and handles 2.5 to 4 A current. It is non-reversing, features a tether float switch, and comes in a plastic enclosure
This multi-purpose pump control panel is designed for single-phase operation at 120/208/240V AC, supporting a current range of 0 to 14.9 A. It features a demand dose dosing schedule, non-reversing functionality, and an audio alert output. The panel includes a tether float switch and is suitable for controlling pumps in wastewater, effluent, or dewatering applications
LIBERTY PUMPS
This multi-purpose pump control panel is designed for single-phase operation at 120/208/240V AC, supporting a current range of 0 to 14.9 A. It features a demand dose dosing schedule, non-reversing functionality, and an audio alert output. The panel includes a tether float switch and is suitable for controlling pumps in wastewater, effluent, or dewatering applications
This multi-purpose pump control panel is designed for duplex pump systems in wastewater and fluid handling applications. It operates on single-phase power at 120/208/240V AC with a current range of 20 to 30 A. The panel features a demand dose dosing schedule, a tether float switch, and an audio alert output. It is non-reversing and not specified as intrinsically safe
LIBERTY PUMPS
This multi-purpose pump control panel is designed for duplex pump systems in wastewater and fluid handling applications. It operates on single-phase power at 120/208/240V AC with a current range of 20 to 30 A. The panel features a demand dose dosing schedule, a tether float switch, and an audio alert output. It is non-reversing and not specified as intrinsically safe
Multi-purpose pump control panel for single pump operation in wastewater, effluent, or dewatering applications. Rated 208/240/480V AC, 2.5 to 4 A, with non-reversing design, audio alert output, and demand dose dosing schedule. Includes tether float switch in a plastic enclosure
LIBERTY PUMPS
Multi-purpose pump control panel for single pump operation in wastewater, effluent, or dewatering applications. Rated 208/240/480V AC, 2.5 to 4 A, with non-reversing design, audio alert output, and demand dose dosing schedule. Includes tether float switch in a plastic enclosure
Multi-purpose pump control panel for duplex pump systems. Operates at 208/240/480V AC, 6 to 10 A. Non-reversing with demand dose dosing schedule. Includes audio alert output. Plastic enclosure rated NEMA 4X. Uses tether float switch
LIBERTY PUMPS
Multi-purpose pump control panel for duplex pump systems. Operates at 208/240/480V AC, 6 to 10 A. Non-reversing with demand dose dosing schedule. Includes audio alert output. Plastic enclosure rated NEMA 4X. Uses tether float switch
Multi-purpose pump control panel for simplex pump applications. Operates at 208/240/480V AC with a current range of 2.5 to 4 A. Non-reversing design with demand dose dosing schedule and audio alert output. Includes tether float switch in a plastic enclosure
LIBERTY PUMPS
Multi-purpose pump control panel for simplex pump applications. Operates at 208/240/480V AC with a current range of 2.5 to 4 A. Non-reversing design with demand dose dosing schedule and audio alert output. Includes tether float switch in a plastic enclosure