The HF7520-024-HSTP relay from Hongfa is a high-capacity, sealed, horizontal PCB-mounted power relay designed for reliable switching in industrial control systems, HVAC equipment, appliance controllers, and power distribution modules. It is built for applications requiring high current handling, stable coil operation, and long-term durability in demanding environments.

This relay uses a Form 1A (SPST-NO) contact configuration, providing dependable normally open switching for power loads. Its 24VDC coil with 2880 resistance ensures efficient operation in industrial automation systems and control circuits where higher control voltage is preferred for noise immunity and stability.

The HF7520-024-HSTP supports switching up to 16A at 250VAC and 10A at 30VDC, making it suitable for motors, compressors, heaters, lighting systems, HVAC units, and general-purpose high-load electrical switching. Its sealed housing protects internal contacts from dust, flux contamination, and environmental exposure, significantly improving operational lifespan and reliability.

With a horizontal PCB mounting design, this relay is optimized for compact industrial control boards and power modules where layout efficiency and high-current switching must coexist. The sealed structure also enhances dielectric performance and mechanical robustness under continuous load conditions.

Features

High-capacity sealed PCB relay

Form 1A (SPST-NO) contact configuration

24VDC coil operation

2880 coil resistance

16A switching capacity at 250VAC

10A switching capacity at 30VDC

Sealed construction for environmental protection

Horizontal PCB mounting design

Suitable for industrial and appliance-grade applications

Reliable long-term high-load switching performance

Specifications

Model: HF7520-024-HSTP

Brand: Hongfa

Device Type: High Power Capacity Sealed Relay

Contact Form: Form 1A (SPST-NO)

Termination Type: Horizontal PCB Mount

Coil Rated Voltage: 24VDC

AC/DC Voltage: DC

Coil Resistance: 2880

Electrical Rating: 16A at 250VAC / 10A at 30VDC

Insulation Class: Industrial sealed (variant dependent)

Typical Applications

Industrial automation systems

HVAC control panels

Appliance power switching modules

Motor and compressor control

Lighting and power distribution systems

Embedded industrial control boards

High-current PCB switching applications

This relay is well suited for designs that require a balance of higher coil voltage control (24VDC), strong switching capability, and sealed reliability for harsh industrial operating environments.

What's in the box
1 x HF7520-024-HSTP High Power Sealed PCB Relay 24VDC SPST-NO 16A Industrial Relay