HF21FF-024-1ZS PCB Relay 24VDC SPDT 10A AgSnO High Reliability

Description:
- The HF21FF-024-1ZS relay from Hongfa is a compact PCB-mounted electromagnetic relay designed for reliable switching in industrial control systems, appliances, automation equipment, and general-purpose electronic circuits. Built in a Form 1C (SPDT) configuration, it enables flexible switching between normally open and normally closed contacts, making it suitable for a wide variety of control logic designs.
- This model operates with a 24VDC coil, providing stable actuation in higher-voltage control systems where improved noise immunity and longer control line distances are required. The coil design ensures efficient operation with consistent pull-in and release performance, supporting dependable switching over long service life.
- With a contact rating of 10A at 250VAC, the HF21FF-024-1ZS is capable of handling moderate power loads such as motors, solenoids, heaters, lighting circuits, and industrial control signals. Its AgSnO (silver tin oxide) contact material enhances arc resistance and minimizes contact degradation under inductive and repetitive switching conditions, improving overall durability and lifespan.
- The relay is designed for through-hole PCB mounting, ensuring secure mechanical stability and straightforward integration into standard PCB layouts. Its compact footprint makes it suitable for space-constrained designs while still delivering industrial-grade switching performance.

Features:
- Form 1C (SPDT) contact configuration for flexible switching
- 24VDC coil for stable control in industrial and automation systems
- 10A switching capacity at 250VAC
- AgSnO contact material for improved arc resistance and durability
- Compact PCB through-hole mounting design
- Reliable operation under repeated switching cycles
- Suitable for inductive and resistive load applications
- Designed for long service life in control systems
- Stable electrical performance in industrial environments
- Easy integration into PCB-based designs

Specifications:
- Model: HF21FF-024-1ZS
- Brand: Hongfa
- Device Type: PCB Power Relay
- Contact Form: Form 1C (SPDT)
- Coil Rated Voltage: 24VDC
- AC/DC Voltage: DC
- Electrical Rating: 10A at 250VAC
- Mounting Type: PCB Through-Hole
- Contact Material: AgSnO

Ideal for industrial control panels, automation systems, HVAC controls, appliance switching, lighting control systems, and general-purpose electronic switching applications requiring dependable performance and long-term electrical reliability.

What's in the box
1 x HF21FF-024-1ZS PCB Relay 24VDC SPDT 10A AgSnO High Reliability