Liquid Level Relay HHY7 Series

MOQ : 100

The HHY7G Liquid Level Relay is a high-efficiency automatic water level controller designed for AC 50Hz circuits with operating voltages up to 380V. This model is engineered for rapid integration into industrial pump control relays systems, featuring a compact, plug-in design that simplifies maintenance and replacement. Its low power consumption and stable switching performance make it an ideal choice for high-volume distributors supplying industrial and agricultural production lines. Built to comply with GB/T 14048.5, the HHY7G provides ultra-reliable non-contact sensing to connect or disconnect circuits precisely as required.

Best For: Industrial water tanks, drainage systems, and rapid-replacement maintenance contracts.
Key Specs: ≤380V AC | Low Power Consumption | Socket-Ready Mounting.

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For streamlined control cabinet integration, the HHY7P Liquid Level Relay offers a robust automatic liquid level control solution with a dedicated panel-mount interface. This series is widely utilized as a floatless level switch in agricultural irrigation and urban water supply systems, where space-saving and clear visibility are essential. The HHY7P features a lightweight yet durable frame, ensuring long-term stable performance in harsh environments. As a professional-grade component, it provides seamless automation for complex drainage and supply circuits, helping large-scale purchasers reduce operational energy costs.

Best For: Agricultural irrigation panels, urban water supply cabinets, and OEM pump control boxes.
Key Specs: 50Hz/380V Compatibility | Lightweight Design | Panel-Integrated Housing.

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HHY7G

Working power supply: DC24V, AC24V, AC220V, AC380V
Working mode: HHY7G (JYB-714) is water supply type
HHY7P (JYB-714) is drainage type
Water control distance: ≤100 meters
Contact form: a set of normally open and normally closed contacts
Contact capacity: 3A AC250V (resistive)
Dimensions: 40×62×92mm
Installation method: 35mm rail type or device type

Specification	HHY7G
Working Power	DC24V、AC24V、AC220V、AC380V
Working mode	HHY7G(JYB-714) is water supply type HHY7P(JYB-714) is water discharge type
Water control distance	≤100 meters
Contact form	a set of normally open and normally closed contacts
Contact capacity	3A AC250V (resistive)
Installation	35mm rail mounted or unit mounted
Ith	3A
Ui	380V
Uimp	4KV
Ue/Ie	Rated working voltage Ue/rated working current Ie:AC-15 Ue:AC250V,Ie:3A for each category of use.
Dimensions	40×62×92mm

HHY7P

Specification	HHY7P
Working Power	DC24V、AC24V、AC220V、AC380V
Working mode	HHY7G(JYB-714) is water supply type HHY7P(JYB-714) is water discharge type
Water control distance	≤100 meters
Contact form	a set of normally open and normally closed contacts
Contact capacity	3A AC250V (resistive)
Installation	35mm rail mounted or unit mounted
Ith	3A
Ui	380V
Uimp	4KV
Ue/Ie	Rated working voltage Ue/rated working current Ie:AC-15 Ue:AC250V,Ie:3A for each category of use.
Dimensions	40×62×92mm

Q1: What is the main physical difference between HHY7G and HHY7P models?
HHY7G features a plug-in base for quick Din rail mounting, while HHY7P is a specialized panel mount relay designed for direct installation on control cabinet doors. Both series share the same high-standard internal components for stable automatic liquid level control.

Q2: Can the HHY7 series be used for agricultural irrigation systems?
Yes, these relays are ideal for agricultural irrigation control, providing reliable 380V circuit switching for high-capacity pumps. Their low power consumption and compact size make them a cost-effective solution for large-scale farm water management.

Q3: Do these relays comply with international safety and quality standards?
Our HHY7 series is fully compliant with the GB/T 14048.5 standard, ensuring it meets the rigorous requirements for industrial control gear. For bulk purchasers, this certification guarantees long-term reliability and safety for commercial liquid level sensors used in heavy-duty applications.

Q4: Are HHY7 relays suitable for high-frequency switching environments?
Designed with high-quality electrical endurance, they serve as a reliable floatless level switch that handles frequent cycles without performance degradation. Their stable and durable build reduces maintenance downtime for industrial and agricultural production lines.