The KQID(14F-2P) High Sensitive Fully Sealed Signal Relay from NINGBO KEYONG JINGSHENG ELECTRICAL APPLIANCE CO., LTD. is a compact and reliable PCB relay designed for high-density circuit applications that demand stable signal switching, reinforced insulation, and long-term durability. Engineered for industrial automation, smart appliances, instrumentation, and control systems, this fully sealed signal relay delivers excellent electrical performance with 5A switching capacity and 5000VAC dielectric strength between coil and contacts for enhanced operational safety.
Built with premium silver alloy contacts (AgSnO, AgSnO3, AgNi), the KQID(14F-2P) ensures low contact resistance, high switching stability, and extended service life. Its sealed construction effectively protects internal components from dust, humidity, and environmental contamination, making it an ideal choice for demanding electronic applications.
●Compact PCB relay design for high-density electronic assemblies
●5A contact switching capacity at 250VAC / 30VDC resistive load
●5000VAC dielectric strength for reinforced insulation and electrical safety
●Available in 2A, 2B, and 2C contact forms for flexible circuit design
●High-quality AgSnO / AgSnO3 / AgNi contact materials for reliable conductivity
●Low contact resistance ≤100mΩ for efficient signal transmission
●Fully sealed relay structure prevents moisture, dust, and contamination ingress
●Wide coil voltage options from 5V to 48V DC
●Operating temperature range: -40°C to +85°C
●Mechanical life exceeding 10 million operations
●Optimized for industrial control systems, smart home devices, instrumentation, and automation equipment
| Contact arrangment | 2A,2B,2C |
| Contact resistance | ≤50mΩ(1A 6VDC) |
| Contact material | Silveralloy:AgSnO₂In₂O₃、AgSnO₂、AgNi |
| Contact rating(Res.load) | 5A 250VAC/30VDC |
| Max switching voltage | 277VAC/30VDC |
| Max switching current | 5A |
| Max switching power | 1385VA/150W |
| 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) | ||||||||||||||
| Nominal voltage(VDC) | 05 | 06 | 09 | 12 | 18 | 24 | 36 | 48 | 05 | 06 | 09 | 12 | 18 | 24 | 36 | 48 |
| Coil resistance(Ω±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(5000VDC) | |
| Dielectric strength(Leakage current 1mA) | Between coil and contacts | 5000VAC 1min |
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Between contacts sets | 3000VAC 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 15g | |
| Construction | Sealed Flux proofed | |
KEYONG fully sealed signal relays are widely used in:
Automotive Electronics
Body control systems, lighting control, ECU systems
Communication Equipment
Signal transmission modules, switching boards, communication terminals
Security & Surveillance Systems
Alarm systems, access control devices, monitoring equipment
Industrial Automation
PLC control modules, automation interfaces, smart control panels
Household Appliances
Smart home control boards, air conditioners, washing machines
Renewable Energy Systems
Energy storage control circuits and charging management systems
As a trusted China relay supplier, KEYONG products comply with international standards and certifications:
●UL Certification
●TUV Certification
●CQC Certification
●CE Certification
●RoHS Compliance
CE
CQC
RoHS
TUV
UL
These certifications demonstrate our commitment to product safety, reliability, and environmental responsibility.
Sample, Testing & Warranty Policy
Samples available upon request
Standard warranty: 12 months
Clear return and replacement policy
Customization & Production Process
Requirement confirmation
Technical evaluation
Sample development
Customer approval
Mass production and delivery
Professional Relay Manufacturer
Over 10 years of relay production expertise.
Large Production Capacity
Annual output exceeding 80 million relay units.
OEM & ODM Support
Customized relay solutions based on customer technical requirements.
Strict Quality Control
Full-process inspection from raw materials to finished products.
Global Export Experience
Products supplied to North America, South America, Europe, Middle East, and Southeast Asia.
Responsive Technical Support
Professional engineering and sales team for fast project response.
Address
350 Renmin North Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province, China
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