KLD2 (V9) Automotive Micro 280 Relay by KEYONG (Ningbo Keyong Jingsheng Electrical Appliance Co., Ltd.) is a 20A automotive switching relay designed for reliable control of vehicle electrical circuits. It is used to switch and protect power systems such as fuel pumps, lighting, horns, and auxiliary devices in cars and industrial equipment. Featuring high-temperature resistance up to 125°C, it ensures stable performance in engine-bay environments. The relay adopts 2.8mm quick-connect terminals for fast and secure wiring, improving installation efficiency in OEM production and aftermarket replacement. With 1 Form A and 1 Form C contact options, it provides flexible circuit compatibility, low contact resistance, and long electrical life for consistent and safe operation.
| Contact arrangment | A/C |
| Voltage drop(at 10A) | ≤200mV |
| Contact material | Silver alloy:AgSnO₂In₂O₃、AgSnO₂、AgNi |
| Contact rating | 10A/20A/35A 14VDC |
| Max switching voltage | See“Load limit curve” |
| Max switching current | 35A(Resistive 14VDC) |
| Min contact load | 1A 6VDC |
| Electrical endurance(Frequency:900 ops/h) | 1×10⁵ps |
| Mechanical endurance(Frequency:18000 ops/h) | 1×10'ops |
| Power consumption(W) | 1.5W | 1.7W | 1.5W | 1.7W |
| Nominal voltage(VDC) | 12 | 12 | 24 | 24 |
| Coil resistance(Ω±10%) | 96 | 96 | 384 | 384 |
| Parallel resistance(Q) |
|
680 |
|
2700 |
| Pick-up voltage(Max) | 65%(Nominal voltage) | |||
| Drop-out voltage(Min) | 10%(Nominal voltage) | |||
| Max allowable overdrive voltage(VDC) | 150%(Nominal voltage) | |||
| Insulation level | Class B/Class F | |
| Insulation resistance | 100MΩ(500VDC) | |
| Dielectric strength(Leakage current 1mA) | Dielectric strength (Between coil and contacts) | 500VAC minute |
|
|
Dielectric strength (Between open contacts) | 500VAC minute |
| Operate time(at nominal voltage) | ≤10ms | |
| Release time(without diode)(at nominal voltage) | ≤10ms | |
| Humidity | 5%～85%RH | |
| Ambient temperature | -40℃~+125℃ | |
| Shock resistance | 1000m/s² | |
| Vibration resistance | 10Hz~1000Hz 19.8m/s² | |
| Weight | Approx 22g | |
| Construction | Dustproof type | |
✔ High Stability Performance
Reliable switching under continuous automotive vibration
Reduced contact failure rate for long-term operation
✔ Compact Micro 280 Design
Space-saving structure for tight installation environments
Compatible with standard automotive relay sockets
✔ Heat & Environmental Resistance
Stable operation in high-temperature engine environments
Resistant to humidity, dust, and electrical interference
✔ Long Service Life
High mechanical and electrical endurance cycles
Designed for repeated switching operations in automotive systems
✔ OEM-Compatible Structure
Suitable for replacement and direct substitution applications
Supports integration into various automotive platforms
The KEYONG Automotive Micro 280 Relay is widely applied in:
●Automotive lighting control systems
●Engine control units (ECU)
●Fuel pump control systems
●Air conditioning (HVAC) systems
●Windshield wiper systems
●Power window and door lock systems
●Automotive safety and alarm systems
●Cooling fan control systems
Q1: Can this relay replace standard 280 automotive relays?
Yes, it is designed for compatibility with standard Micro 280 relay sockets and systems.
Q2: What voltage options are available?
Common options include 12V DC and 24V DC coil versions.
Q3: Can I request samples before bulk order?
Yes, sample orders are supported for testing and validation.
Q4: Do you support OEM customization?
Yes, coil voltage, labeling, packaging, and specifications can be customized.
Founded in 2012 in Ningbo, Zhejiang, KEYONG has developed into a large-scale relay factory in China with a production area of 12,000㎡ and annual output exceeding 80 million pieces. With multiple automated production lines and precision testing systems, the company serves global customers across automotive electronics, renewable energy storage, smart security systems, household appliances, and industrial automation.
●Direct manufacturer and factory pricing
●Large-scale production capacity for stable supply
●Strong OEM/ODM customization capability
●Experienced export supplier for global markets
●Strict ISO-certified quality management system
KEYONG has become a trusted partner for automotive electronics, renewable energy systems, and industrial control manufacturers worldwide.
Address
350 Renmin North Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province, China
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