Single Phase Openwell Water Level Controller with Clock Timer – DEV-H4

VUKAR DEV-H4 is a single phase automatic water level controller for openwell and monoblock pumps. It includes a double float switch, clock and cyclic timers, plus dry-run, overload and voltage protection.

Product and Installation Videos

Key Features

High-Brightness Dual Digital Display

Shows voltage, current and other pump parameters for quick checks during operation.

Fault Display Indication

Displays common motor fault indications to support faster troubleshooting.

Motor Fault Counter

Logs the number of motor faults so recurring issues can be identified.

Motor Total Run-Time Counter

Records cumulative motor running hours to support maintenance planning.

Motor-On and Fault Indication

Provides clear visual indication of motor-running and fault status.

Automatic Water Level Controller

Uses the connected float-switch input to start and stop the pump according to tank level.

Water Level Indicator

Provides a clear visual indication of tank-level status.

Digital Clock Display

Shows clock and schedule information used for timed pump operation.

Overvoltage and Undervoltage Protection

Stops the pump when supply voltage moves outside the configured safe range.

Overload and Dry-Run Protection

Stops the motor during overload or dry-run conditions to reduce damage risk.

Overload Safety Lockout

Keeps the system stopped after an overload until a manual reset is completed.

Auto-Off Stop Timer

Stops the pump automatically after the configured running duration.

Power-On Auto-Start Timer

Adds a configurable delay before pump start when power returns.

Built-In Auto Switch

Supports automatic pump start when healthy single-phase power is available.

Cyclic Timer

Runs repeated ON/OFF cycles according to the configured schedule.

Clock Timer

Supports time-of-day pump scheduling through the clock timer.

Auto-Adjustable Starting-Torque Timer

Controls the motor-starting sequence through an adjustable starting-torque timer.

Programmable Auto-Restart Dry-Run Timer

Stops the pump on dry run and retries after the configured recovery delay.

Timer Power-Failure Recovery

Restores the programmed timer cycle after a power interruption.

Digital Product Registration

Supports digital product registration for product and service records.

Total Daily Run-Time Control

Limits or tracks the pump's total daily operating time according to the programmed setting.

Water-Level Controller Operating Hours

Allows the daily operating window for water-level automation to be configured.

Cyclic-Timer Operating Hours

Allows the cyclic timer's daily operating window to be configured.

Multi-Event Real-Time Scheduler

Supports up to 20 programmed start and stop events.

Hierarchical Timer

Supports individually configured cycles within a broader operating schedule.

Protective Enclosure

Uses a protective enclosure intended to support stable controller operation.

Technical Support

Technical support is available by WhatsApp and call at +91 63588 96254.

Double Float Switch

Includes double cable float-switch inputs for tank-level control.

Installation Fit

Use DEV-H4 with a compatible single phase openwell or monoblock pump circuit. Have a qualified electrician connect the float switches and motor wiring according to the supplied product wiring guide.

Before Ordering

Verify the motor rating, wiring and sensor configuration. For current shipping, replacement/return and warranty-eligibility information, review the Shipping Policy, Refund Policy and Contact page.

Compare Before Buying

• Compare single phase water level controllers
• Understand pump timer types
• Compare motor-protection devices and digital meters
• Use the VUKAR product finder