KQIH(14FH) 20A Transparent Cover Miniature Power Relay manufactured by KEYONG is designed for stable high-current switching performance in demanding electrical control systems. Featuring a compact structure, transparent protective cover, and reliable contact performance, this relay is widely applied in household appliances, industrial automation equipment, communication devices, smart control systems, automotive electronics, and renewable energy applications.
As a professional China relay manufacturer and supplier, Ningbo Keyong Jingsheng Electrical Appliance Co., Ltd. integrates relay research and development, automated manufacturing, quality inspection, and technical service to provide dependable relay solutions for global OEM and industrial customers.
With over a decade of manufacturing experience and annual production capacity exceeding 80 million relays, KEYONG has become a trusted relay factory serving customers across North America, Europe, Southeast Asia, the Middle East, and South America.
Reliable Performance in Demanding Environments
The relay is designed to maintain stable operation under complex electrical environments involving frequent switching and continuous load operation.
Enhanced Operational Safety
The transparent cover structure improves inspection visibility and helps reduce maintenance risks during equipment servicing.
Long Service Life
Optimized contact system and precision manufacturing processes improve mechanical durability and electrical lifespan.
Suitable for Automated Production
Standardized PCB mounting dimensions support efficient automated assembly for industrial production lines.
High 20A Switching Capacity
This miniature power relay is engineered for stable 20A load switching performance. It provides reliable electrical conductivity and excellent contact stability for medium and high-load electrical systems.
Transparent Protective Cover Design
The transparent housing allows engineers and maintenance personnel to visually inspect internal contact conditions during operation and testing, improving maintenance efficiency and operational safety.
Compact PCB Mounting Structure
Designed with a space-saving miniature structure, the relay is suitable for PCB installation where compact layout and stable mounting are required.
Stable Electrical Performance
The relay offers low contact resistance, stable coil operation, and strong anti-interference capability, making it suitable for long-term continuous operation.
Durable Contact Materials
High-quality silver alloy contacts improve conductivity, arc resistance, and electrical durability while extending service life under repeated switching conditions.
Low Power Consumption
Optimized coil design helps reduce energy consumption while maintaining fast response and stable operation.
| Contact arrangment | A,B,C |
| Contact resistance | ≤50mΩ(1A 6VDC) |
| Contact material | Silver alloy:AgSnO₂In₂O₃、AgSnO₂、AgNi |
| Contact rating(Res.load) | 16A 250VAC/16A 30VDC |
| Max switching voltage | 277VAC/30VDC |
| Max switching current | 20A |
| Max switching power | 5540VA/480W |
| Electrical endurance(Frequency:360 ops/h) | 1×10⁵ops/1×10⁴ops |
| Mechanical endurance(Frequency:18000 ops/h) | 1×10⁷ops |
| Power consumption(W) | 0.54W(L) | 0.72W(D) | ||||||||||||||
| Nomina voltage(VDC) | 05 | 06 | 09 | 12 | 18 | 24 | 36 | 48 | 05 | 06 | 09 | 12 | 18 | 24 | 36 | 48 |
| Coil resistance(Q±10%) | 46.3 | 66.7 | 150 | 267 | 600 | 1067 | 2400 | 4267 | 34.7 | 50 | 112.5 | 200 | 450 | 800 | 1800 | 3200 |
| Pick-up voltage(Max) | 80%(Nominal voltage) | |||||||||||||||
| Drop-out voltage(Min) | 5%(Nominal voltage) | |||||||||||||||
| Max allowable overdrive voltage(VDC) | 130%(Nominal voltage) | |||||||||||||||
| Insulation level | B/F | |
| Insulation resistance | 1000MQ(500VDC) | |
| Dielectric strength(Leakage current 1mA) | Between coil and contacts | 5000VAC 1min |
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Between open contacts | 1000VAC 1min |
| Operate time(at nominal voltage) | ≤15ms | |
| Release time(without diode)(at nominal voltage) | ≤5ms | |
| Humidity | 5%～85%RH | |
| Ambient temperature | -40℃~+85℃ | |
| Shock resistance | Functional | 98m/s² |
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Destructive | 980m/s² |
| Vibration resistance(Double amplitude) | 10Hz~55Hz 1.5mm | |
| Weight | Approx 17g | |
| Construction | Sealed Flux proofed | |
1.What applications is the 20A Transparent Cover Miniature Power Relay suitable for?
This relay is commonly used in household appliances, industrial automation systems, smart controllers, communication equipment, renewable energy systems, automotive electronics, and security devices requiring stable 20A switching performance.
2.Can KEYONG provide customized relay solutions?
Yes. KEYONG supports OEM and customized relay manufacturing according to customer requirements, including coil voltage, terminal structure, packaging, and application-specific solutions.
3.What certifications do KEYONG relays have?
KEYONG relay products have obtained certifications including UL, TUV, CQC, CE, and RoHS, helping customers meet international safety and quality standards.
4.How does KEYONG ensure product quality?
The company strictly follows ISO9001 quality management standards and uses automated testing and inspection systems throughout production to ensure stable relay performance and reliability.
Ningbo Keyong Jingsheng Electrical Appliance Co., Ltd. is a professional relay manufacturer located in Ningbo, Zhejiang, China. The company specializes in the production of automotive relays, power relays, signal relays, new energy relays, flasher relays, intermittent wiper relays, relay sockets, and wiring harnesses.
By continuously improving manufacturing capability, product quality, and technical innovation, KEYONG has become a trusted relay supplier for customers worldwide.
If you are looking for a dependable 20A Transparent Cover Miniature Power Relay manufacturer, supplier, or factory in China, KEYONG provides stable product quality, professional technical support, and efficient service for your projects and procurement needs.
Address
350 Renmin North Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province, China
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