General Purpose With Bracket Automotive Power Relay KLD (V4) from Ningbo Keyong Jingsheng Electrical Appliance Co., Ltd. is a reliable electromechanical switching solution designed for 30A–60A high-current control at 14VDC in automotive and industrial systems. It allows low-current signals to safely operate high-power loads such as lighting, motors, and accessories. Featuring a reinforced metal bracket for vibration-resistant installation, flexible mounting options, and a compact dustproof design, it performs reliably in harsh environments. Manufactured under ISO-9001 certified processes, it ensures stable electrical performance, reduced power loss, and long service life, making it a cost-effective solution for global customers.
Compared with low-cost or generic relays, KEYONG’s General Purpose With Bracket Automotive Power Relay shows clear advantages:
●More stable contact performance under high load conditions
●Stronger structural design with bracket fixation
●Better consistency due to strict factory-level quality control
●Longer lifespan in continuous operation environments
●More reliable sourcing from an established China Manufacturer and Supplier (KEYONG) with ISO-based production systems
While many low-cost relays may meet basic switching needs, they often fail earlier under vibration or high current stress. KEYONG focuses on long-term reliability rather than short-term cost reduction.
Compared with standard relays, the KEYONG General Purpose With Bracket Automotive Power Relay offers several practical benefits:
1. Stable High-Load Switching Performance
Designed to handle continuous electrical loads with minimal contact resistance, ensuring stable operation in demanding conditions.
2. Bracket-Mounted Structure for Secure Installation
The integrated bracket improves mechanical stability, making it suitable for vibration-heavy environments such as vehicles and industrial equipment.
3. Long Service Life
High-quality contact materials reduce wear and extend electrical life cycles, reducing maintenance frequency.
4. Strong Environmental Adaptability
Performs reliably under temperature fluctuations, vibration, and electrical noise commonly found in automotive systems.
5. Cost-Effective OEM Solution
As a direct China Factory Supplier, KEYONG provides stable quality with competitive manufacturing cost advantages for bulk procurement.
| Contact arrangment | 1/2A,1/2B 1/2C |
| Voltage drop(at 10A) | ≤200mV |
| Contact material | Silver alloy:AgSnO₂In₂O₃、AgSnO₂、AgNi |
| Contact rating | 30A/40A/60A 14VDC |
| Max switching voltage | See“Load limit curve” |
| Max switching current | 60A(/Resistive 14VDC) |
| Min contact load | 1A 6VDC |
| Electrical endurance (Frequency:900 ops/h) | 1×10⁵ops |
| Mechanical endurance (Frequency:18000 ops/h) | 1×10⁷ops |
| Power consumption(W) | 1.6W | 1.8W | 1.6W | 1.8W | 1.8W | 2.0W |
| Nominal voltage(VDC) | 12 | 12 | 24 | 24 | 24 | 24 |
| Coil resistance(Q±10%) | 90 | 90 | 360 | 360 | 320 | 320 |
| Parallel resistance(Ω) |
|
680 |
|
2700 |
|
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℃ | |
| Vibration resistance | 5Hz~22.3Hz 10mm/Double amplitude | |
| 22.3Hz~500Hz 98m/s² | ||
| Shock resistance | 294m/s² | |
| Weight | Approx36g | |
| Construction | Dustproof | |
The General Purpose With Bracket Automotive Power Relay is widely used to:
●Switch automotive lighting systems (headlights, fog lights, interior lights)
●Control motors such as cooling fans, windshield wipers, and pumps
●Manage power distribution in vehicle control systems
●Support industrial automation and machinery control circuits
●Serve as a universal switching component in electrical assemblies
In simple terms, it ensures that high-power devices can be safely controlled without damaging switches or control units.
Q1: What makes this relay suitable for automotive use?
A1: It is designed with stable switching performance and vibration-resistant bracket structure, making it reliable for automotive environments.
Q2: Can it be used in industrial systems?
A2: Yes, it is widely applied in industrial automation and power control systems due to its durability and stable operation.
Q3: Does KEYONG provide consistent product quality?
A3: Yes, all products are manufactured under strict quality control systems and tested before shipment to ensure reliability.
Q4: Is customization available?
A4: KEYONG supports customized relay solutions based on specific project requirements.
1. Rated Voltage and Current
Ensure the relay matches your system’s operating voltage (commonly 12V or 24V) and current load requirements.
2. Load Type
Different loads (resistive, inductive, or motor loads) require different switching capabilities.
3. Installation Environment
For high-vibration environments, bracket-mounted relays like KEYONG’s design provide better stability.
4. Electrical Life Requirement
Choose relays with higher mechanical and electrical endurance for long-term applications.
5. Certification Requirements
For export markets, ensure compliance with standards such as UL, CE, or RoHS depending on project needs.
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350 Renmin North Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province, China
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