Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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

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

The LIBERTY PUMPS Simplex Control Panel is an intrinsically-safe simplex pump control panel rated for 208/240/480V AC and 9 to 14 A. It features a demand-dose dosing schedule, non-reversing operation, and an audio…

SKU 3G-OTH-92255

Also listed as: ISS3435115 · ISS34 3 511 5 · ISS34-3-511-5

Brand
LIBERTY PUMPS
Item
Simplex Control Panel: Simplex, 3, 208/240/480V AC, 9 to 14 A, Tether Float
Category
Intrinsically-Safe 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LIBERTY PUMPS
Manufacturer Part Number
ISS34=3-511-5
Type
3, 9 to 14 A, Tether Float, Plastic
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

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 Simplex Control Panel is an intrinsically-safe simplex pump control panel rated for 208/240/480V AC and 9 to 14 A. It features a demand-dose dosing schedule, non-reversing operation, and an audio alert output. This panel is designed for use with tether float controls and is identified by manufacturer part number ISS34=3-511-5.

Frequently Asked Questions

What is the LIBERTY PUMPS Simplex Control Panel used for?

This intrinsically-safe simplex control panel from LIBERTY PUMPS manages a single pump in wastewater or effluent systems. It uses a demand-dose dosing schedule and tether float controls to automate pump operation, with an audio alert output for alarm conditions. It is suitable for industrial and commercial sump or sewage applications.

What are the specifications of the LIBERTY PUMPS Simplex Control Panel ISS34=3-511-5?

The LIBERTY PUMPS Simplex Control Panel model ISS34=3-511-5 is rated for 208/240/480V AC and 9 to 14 A. It features non-reversing operation, intrinsic safety, an audio alert output, and a demand-dose dosing schedule. The enclosure is plastic and designed for tether float controls.

Where to buy the LIBERTY PUMPS Simplex Control Panel worldwide?

3G Electric supplies the LIBERTY PUMPS Simplex Control Panel ISS34=3-511-5 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 intrinsically-safe pump control panel.

How to install the LIBERTY PUMPS Simplex Control Panel?

Installation of the LIBERTY PUMPS Simplex Control Panel should follow the manufacturer's manual and local electrical codes. Mount the plastic enclosure in a dry, accessible location. Connect the tether float switch and pump wiring per the demand-dose schedule. Ensure the 208/240/480V AC supply is properly sized for the 9 to 14 A load.

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.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 6 to 10 A, Tether Float, Plastic (MPN ISS34=3-191-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 6 to 10 A, Tether Float, Plastic (MPN ISS34=3-191-5)
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 4 to 6.3 A, Tether Float, Plastic (MPN ISS34=3-171-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 4 to 6.3 A, Tether Float, Plastic (MPN ISS34=3-171-5)
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 1.6 to 2.5 A, Tether Float, 4X (MPN ISS34=3-131-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 1.6 to 2.5 A, Tether Float, 4X (MPN ISS34=3-131-5)
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 2.5 to 4 A, Tether Float, Plastic (MPN ISS34=3-141-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 208/240/480V AC, 2.5 to 4 A, Tether Float, Plastic (MPN ISS34=3-141-5)
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 575V AC, 4 to 6.3 A, Tether Float, Plastic, 4X, ISS (MPN ISS54=3-161-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 575V AC, 4 to 6.3 A, Tether Float, Plastic, 4X, ISS (MPN ISS54=3-161-5)
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 575V AC, 2.5 to 4 A, Tether Float, Plastic, 4X, ISS (MPN ISS54=3-151-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 575V AC, 2.5 to 4 A, Tether Float, Plastic, 4X, ISS (MPN ISS54=3-151-5)

More from LIBERTY PUMPS

View all LIBERTY PUMPS parts
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 1.6 to 2.5 A, Tether Float, Plastic (MPN ISD34=3-131-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 1.6 to 2.5 A, Tether Float, Plastic (MPN ISD34=3-131-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 575V AC, 4 to 6.3 A, Tether Float, Plastic, 4X, ISD (MPN ISD54=3-161-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 575V AC, 4 to 6.3 A, Tether Float, Plastic, 4X, ISD (MPN ISD54=3-161-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 15 A, Tether Float (MPN ISD24LC2=3-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, Single Phase, 120/208/240V AC, 0 to 15 A, Tether Float (MPN ISD24LC2=3-5)
LIBERTY PUMPS Simplex Control Panel: Simplex, Single Phase, 120/208/240V AC, 0 to 15 A, Tether Float (MPN ISS24LC1=3-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, Single Phase, 120/208/240V AC, 0 to 15 A, Tether Float (MPN ISS24LC1=3-5)
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 575V AC, 1.6 to 2.5 A, Tether Float, Plastic, 4X (MPN ISS54=3-121-5)
LIBERTY PUMPS
LIBERTY PUMPS Simplex Control Panel: Simplex, 3, 575V AC, 1.6 to 2.5 A, Tether Float, Plastic, 4X (MPN ISS54=3-121-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 575V AC, 1.6 to 2.5 A, Tether Float, Plastic, 4X, ISD (MPN ISD54=3-121-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 575V AC, 1.6 to 2.5 A, Tether Float, Plastic, 4X, ISD (MPN ISD54=3-121-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 9 to 14 A, Tether Float, Plastic, 4X (MPN ISD34=3-511-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 9 to 14 A, Tether Float, Plastic, 4X (MPN ISD34=3-511-5)
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 6 to 10 A, Tether Float, Plastic, 4X (MPN ISD34=3-191-5)
LIBERTY PUMPS
LIBERTY PUMPS Duplex Control Panel: Duplex, 3, 208/240/480V AC, 6 to 10 A, Tether Float, Plastic, 4X (MPN ISD34=3-191-5)