KQD (T73) 4 PIN 5 PIN Cubic Power Relay is designed for high-current switching applications in automotive electronics, industrial control systems, household appliances, and power management equipment. Featuring compact size, stable contact performance, low coil power consumption, and reliable switching capability, this relay provides an efficient and durable solution for PCB mounting applications.
| Our Relay | Ordinary Relay |
|---|---|
| High current capacity | Lower switching current |
| Stable contact resistance | Easy oxidation |
| Compact cubic structure | Larger size |
| Long service life | Shorter lifespan |
| OEM/ODM support | Limited customization |
High-Precision Automated Manufacturing
KEYONG operates multiple advanced automated production lines equipped with:
●Automatic winding and soldering machines
●Intelligent assembly equipment
●Industrial vision inspection systems
●Precision testing machines
●Riveting and parameter adjustment machines
●Ultrasonic cleaning equipment
●Strict production control helps ensure stable product consistency and reliable batch quality.
Strict Quality Management System
As an experienced relay factory in China, KEYONG strictly follows ISO9001 quality management standards throughout raw material inspection, production, testing, and packaging processes.
Each relay undergoes comprehensive performance testing before shipment to ensure stable electrical and mechanical performance.
International Certifications
The products have obtained multiple international certifications, including:
●UL Certification
●TUV Certification
●CE Certification
●CQC Certification
●RoHS Compliance
CE
CQC
RoHS
TUV
UL
These certifications help customers meet different market access and safety requirements.
| Contact arrangment | A,B,C |
| Contact resistance | ≤100mΩ(1A 6VDC) |
| Contact material | Silver ally:AgSnO₂In₂O₃、AgSnO₂、AgNi |
| Contact rating(Res.load) | 7A/10A/15A 250VAC/28VDC,15A 125VAC |
| Max switching voltage | 277VAC/30VDC |
| Max switching current | 15A |
| Max switching power | 2770VA/300W |
| Electrical endurance(Frequency:360 ops/h) | 1×10⁵ops/1×10⁴ops |
| Mechanical endurance(Frequency:18000 ops/h) | 1×10⁷ps |
| Power consumption(W) | 0.36W(L) | 0.45W(D) | ||||||||||||||
| Nominal voltage(VDC) | 5 | 6 | 9 | 12 | 18 | 24 | 36 | 48 | 5 | 6 | 9 | 12 | 18 | 24 | 36 | 48 |
| Coil resistance(Q±10%) | 69.4 | 100 | 225 | 400 | 900 | 1600 | 3600 | 6400 | 55 | 80 | 180 | 320 | 720 | 1280 | 2880 | 5120 |
| Pick-up voltage(Max) | 75%(Nominal voltage) | |||||||||||||||
| Drop-out voltage(Min) | 10%(Nominal voltage) | |||||||||||||||
| Max allowable overdrive voltage(VDC) | 130%(Nominal voltage) | |||||||||||||||
| Insulation level | B/F | |
| Insulation resistance | 100MΩ(500VDC) | |
| Dielectric strength(Leakage current 1mA) | Between coil and contacts | 1500VAC 1min |
|
|
Between open contacts | 1000VAC 1min |
| Operate time(at nominal voltage) | ≤10ms | |
| Release time(without diode)(at nominal voltage) | ≤5ms | |
| Humidity | 5%～85%RH | |
| Ambient temperature | -40℃~+85℃/+105℃ | |
| Shock resistance | Functional | 98m/s² |
|
|
Destructive | 980m/s² |
| Vibration resistance(Double amplitude) | 10Hz~55Hz 1.5mm | |
| Weight | Approx 9g | |
| Construction | Sealed Flux proofed | |
1.What is the difference between 4 PIN and 5 PIN cubic power relays?
A 4 PIN relay is generally used for standard switching applications with basic control functions. A 5 PIN relay usually includes an additional terminal for normally closed or switching circuit configurations, providing more flexible control options.
The selection depends on the circuit design and application requirements.
2.Can this relay be used in automotive applications?
Yes. The KEYONG 4 PIN 5 PIN Cubic Power Relay is widely used in automotive electronic systems such as lighting control, air conditioning systems, battery management, and auxiliary power control.
Its stable switching capability and vibration resistance make it suitable for automotive environments.
3.What industries commonly use cubic power relays?
Cubic power relays are commonly used in:
●Automotive electronics
●Industrial automation
●Household appliances
●Renewable energy systems
●Security systems
●Communication devices
They are especially suitable for equipment requiring stable medium and high current switching.
4.Does KEYONG support customized relay solutions?
Yes. As a professional relay supplier and manufacturer in China, KEYONG supports OEM and ODM services based on customer technical requirements and application scenarios.
5.How does KEYONG ensure product quality?
KEYONG implements strict quality control throughout the manufacturing process. Automated production equipment, precision testing systems, ISO9001 management standards, and international certifications help ensure stable product quality and reliable performance.
Ningbo Keyong Jingsheng Electrical Appliance Co., Ltd. is a professional China relay manufacturer specializing in automotive relays, power relays, signal relays, new energy relays, flasher relays, intermittent wiper relays, relay sockets, and wiring harness solutions.
With advanced manufacturing capability, strong technical support, and comprehensive service experience, KEYONG has become a trusted relay supplier for domestic and international customers seeking reliable relay products and long-term cooperation.
If you are looking for a dependable 4 PIN 5 PIN Cubic Power Relay manufacturer, supplier, or factory in China, KEYONG provides professional solutions with stable quality and efficient service.
Address
350 Renmin North Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province, China
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