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LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 9 to 14 A, Tether Float - Intrinsically-Safe Pump Control Panels
LIBERTY PUMPSIntrinsically-Safe Pump Control Panels

LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 9 to 14 A, Tether Float

The LIBERTY PUMPS Duplex Control Panel is an intrinsically-safe pump control panel designed for duplex pump systems. It operates on a demand dose schedule with a rated voltage of 208/240/480V AC and a current range…

SKU 3G-OTH-92236

Also listed as: ISD3435115 · ISD34 3 511 5 · ISD34-3-511-5

Brand
LIBERTY PUMPS
Item
Duplex Control Panel: Duplex, 3, 208/240/480V AC, 9 to 14 A, Tether Float
Category
Intrinsically-Safe 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
ISD34=3-511-5
Type
3, 9 to 14 A, Tether Float, Plastic, 4X
AC
208/240/480V
Current
9 to 14 A
Alert Output
Audio
Rated Voltage
208/240/480V AC
Dosing Schedule
Demand Dose
Intrinsic Safety
Intrinsically Safe
Includes Reversing
Non-Reversing

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

Product Description

The LIBERTY PUMPS Duplex Control Panel is an intrinsically-safe pump control panel designed for duplex pump systems. It operates on a demand dose schedule with a rated voltage of 208/240/480V AC and a current range of 9 to 14 A. This non-reversing panel features an audio alert output and is rated NEMA 4X, with a tether float control.

Frequently Asked Questions

What is the LIBERTY PUMPS Duplex Control Panel used for?

This intrinsically-safe control panel manages duplex pump systems in hazardous locations. It operates on a demand dose schedule, using a tether float to trigger pump alternation. Typical applications include wastewater lift stations and industrial sump pits where explosive gases may be present.

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

The panel is rated 208/240/480V AC, 9 to 14 A, with a NEMA 4X plastic enclosure. It is intrinsically safe, non-reversing, and includes an audio alert output. The tether float control enables demand dose operation. MPN ISD34=3-511-5.

Where to buy the LIBERTY PUMPS Duplex Control Panel worldwide?

3G Electric supplies and delivers the LIBERTY PUMPS Duplex Control Panel worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located.

How to install the LIBERTY PUMPS Duplex Control Panel?

Installation must follow the National Electrical Code and local regulations for hazardous locations. Mount the NEMA 4X enclosure in a dry, accessible area. Connect the tether float according to the demand dose schedule. Always verify intrinsic safety barriers are intact before powering the panel.

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 intrinsically-safe 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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