HF JQX-105F-1 DC Relay 5V 12V 24V Normally Open 30A
HF JQX-105F-1 DC Relay 5V 12V 24V Normally Open 30A
HF JQX-105F-1 High Power DC Relay – 5V, 12V & 24V Available
The HF JQX-105F-1 Series DC Relay is a robust, high-power relay designed for demanding switching applications in automotive systems, household appliances, and industrial control circuits. Available in three coil voltage variants — 5V (005D), 12V (012D), and 24V (024D) — this normally open (NO) relay delivers a reliable 30A contact load, making it ideal for high-current switching tasks.
Key Specifications
- Model: HF JQX-105F-1 (005D / 012D / 024D-1HS)
- Relay Type: Electromagnetic / Temperature Relay
- Contact Configuration: Normally Open (NO)
- Rated Contact Load: High Power – 30A
- Coil Voltage: DC 5V, DC 12V, DC 24V
- Maximum Voltage: ≤ 36V DC
- Power Source: DC
- Applicable Use: Automotive & Household Appliances
- Quantity: 1 piece per order
- Country of Origin: Made in Mainland China
Why Choose the JQX-105F-1?
- ✅ High Current Capacity: Rated for 30A – handles heavy loads with ease
- ✅ Multi-Voltage Compatibility: Choose 5V, 12V, or 24V to match your circuit
- ✅ Normally Open Design: Circuit remains open until the coil is energized, providing safe default-off operation
- ✅ Versatile Applications: Suitable for automotive electronics, home appliance control, industrial automation, and DIY projects
- ✅ Compact & Easy to Install: Drop-in replacement for standard JQX-105F-1 relay sockets
Applications
This relay is commonly used in:
- Automotive relay circuits (fans, pumps, lighting)
- Household appliance control boards
- DIY electronics and maker projects
- Industrial switching and control panels
- Temperature control systems
Related Products You May Like
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
- Electromagnetic Induction Tester – Coil & Circuit Fault Detector
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What is the difference between the JQX-105F-1-005D, 012D, and 024D variants?
A: The difference lies in the coil operating voltage. The 005D is designed for DC 5V circuits, the 012D for DC 12V circuits, and the 024D for DC 24V circuits. All three share the same 30A contact rating and normally open (NO) configuration. Simply select the variant that matches your control circuit's voltage.
Q: Is the JQX-105F-1 relay compatible with automotive applications?
A: Yes. The HF JQX-105F-1 relay is specifically listed for automotive (AUTO) use and is widely used in vehicle relay systems including cooling fans, fuel pumps, and lighting circuits. The 12V variant is particularly popular for 12V automotive systems.
Q: What does "normally open" mean for this relay?
A: "Normally open" (NO) means that the relay's electrical contact is open (circuit disconnected) when the coil is not energized. When a voltage is applied to the coil, the relay closes the contact, allowing current to flow. This is the standard safe-off configuration for most switching applications.
Q: Can this relay be used in DIY electronics or home automation projects?
A: Absolutely. The JQX-105F-1 is a standard through-hole relay that fits common relay sockets and PCB footprints, making it an excellent choice for DIY electronics, Arduino/microcontroller projects (with an appropriate driver circuit), and home automation systems where high-current switching is required.