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WATERLINE CONTROLS Water Level Control: 120V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT - Fluid Level Controllers
WATERLINE CONTROLSFluid Level Controllers

WATERLINE CONTROLS Water Level Control: 120V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT

The WATERLINE CONTROLS WLC4000-120VAC is a fluid level controller designed for high alarm and fill stop functions. It operates on 120V AC and includes two power relays rated at 30 A DPDT, along with three dry…

SKU 3G-OTH-68706

Also listed as: WLC4000120VAC · WLC4000 120VAC

Brand
WATERLINE CONTROLS
Item
Water Level Control: 120V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT
Category
Fluid Level Controllers
Available to Order
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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

WATERLINE CONTROLS
Manufacturer Part Number
WLC4000-120VAC
Type
Fill/High Alarm, 30 A – DPDT
Functions
High Alarm
NEMA Rating
4X
Dry Contacts
3
Power Relays
2
Probes Included
Fill Stop

Technical Documents

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WATERLINE CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATERLINE CONTROLS WLC4000-120VAC is a fluid level controller designed for high alarm and fill stop functions. It operates on 120V AC and includes two power relays rated at 30 A DPDT, along with three dry contacts. The unit features a NEMA 4X rating and comes with a Fill Stop probe.

Frequently Asked Questions

What is the WATERLINE CONTROLS WLC4000-120VAC used for?

The WLC4000-120VAC is a fluid level controller used for high alarm and fill stop functions in industrial water or wastewater systems. It monitors liquid levels and triggers alarms or pump shutdowns to prevent overflows, making it suitable for tanks, sumps, and process vessels.

What are the specifications of the WATERLINE CONTROLS WLC4000-120VAC?

This controller operates on 120V AC, includes two power relays rated at 30 A DPDT, and provides three dry contacts. It has a NEMA 4X rating for corrosion resistance and comes with a Fill Stop probe. The part number is WLC4000-120VAC.

Where to buy the WATERLINE CONTROLS WLC4000-120VAC worldwide?

3G Electric supplies the WATERLINE CONTROLS WLC4000-120VAC to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fluid level controller.

How to install the WATERLINE CONTROLS WLC4000-120VAC?

Installation requires mounting the controller in a dry location, connecting the Fill Stop probe to the tank, and wiring the 120V AC power supply to the relay terminals. Follow the manufacturer's manual for proper probe placement and dry contact connections to ensure reliable high alarm and fill stop operation.

Used in

Common applications for WATERLINE CONTROLS
Water treatment plants — WLC6000 series controllers for multi-pump fill and alarm management in clearwells and filter backwash tanks.
Wastewater lift stations — WLC5000 series controllers for high/low alarm and pump fill control in wet wells.
Industrial cooling towers — WLC4000 series controllers for basin level control with high alarm to prevent overflow.
Chemical storage tanks — WLC3000 series controllers for automated fill control of conductive process liquids.
Irrigation reservoirs — WLC6000 series controllers for managing multiple fill pumps and alarm conditions in remote sites.
Building sump pump systems — WLC4000 series controllers for high alarm and fill control in basement or mechanical room sumps.

WATERLINE CONTROLS Products

3G Electric supplies WATERLINE CONTROLS fluid level controllers. 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
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