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H521 Water Pump Controller

H521 Water Pump Controller

Comprehensive Protection Functions: Includes overload, stall, dry run, under/over voltage protection for universal pumps. Flexible Control Methods: Supports liquid probe, float switch, or pressure switch for start/stop control. Wide Voltage Compatibility: Rated input AC220V-240V single phase, 50HZ/60HZ for global use. Durable ABS Material: Constructed with high-quality ABS material for long-lasting performance. IP65 Weatherproof Design: Wall-mounted unit with IP65 protection rating for harsh environments. LCD Status Display: Features LCD screen to display real-time pump running status. Memory Function: Retains settings and recovers automatically after power off. RoHS and CE Certified: Meets international safety standards with RoHS, ISO 9001, and CE certifications.

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Product Introduction

Product Description

H521 2026 New Electrical Water Pump Controller for Optimized Pump Functionality

H521 2026 New Electrical Water Pump Controller for Optimized Pump Functionality

H521 2026 New Electrical Water Pump Controller for Optimized Pump Functionality

H521 2026 New Electrical Water Pump Controller for Optimized Pump Functionality

H521 2026 New Electrical Water Pump Controller for Optimized Pump Functionality

Specification

Model

H521

Main technical data

 

.Start type

Direct on line

. Qty of controlled pump

Single pump

. Rated input voltage:

AC220V-240V Single phase
50HZ/ 60HZ

. Rated output power:

0.37kw-2.2kw (0.5hp-3hp)

.Capacitor:

Reserved space for installing start capacitor



Product function

Over load protection
Pump stalled protection
Dry run protection with sensor free
Under voltage protection
Over voltage protection



Application &
Control characteristic

Controland protect universal pump
Adoptingliquid probe or float switch or pressure switch to control pump start and stop
•Applied forwatersupply by liquid level control through floatswitchor liquid probe
•Applied forbooster by pressure control through pressures witchand pressure tank
•Applied ford rainage by liquid levelcontrol through floats witch or liquid probe


Other features

Pushbutton calibration
Memory funcion when power off & recovery
LCD screen displaying pump running status
Signal transmission distance up to 200m

Main installation data

 

Working temperature
Working humidity
Degree of protection
Install position
Unit dimension (L x W x H)

-25ºC--+55ºC
20%--90%RH, no drips concreted
IP65
Wallmounting
185x 145x75MM

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