Single Phase Aviation DC Contactor JQ-QY34F

JQ-QY34F Military Aviation Contactor:

High-Performance Aerospace Power Switching Solution

The JQ-QY34F Military Aviation Contactor is a precision-engineered, high-reliability switching device specifically designed for demanding aerospace applications including drone systems, aircraft engines, and critical aviation power distribution networks. As a premium component in YM's comprehensive Military Aviation Contactor series, this product delivers exceptional performance where operational safety and reliability are non-negotiable requirements.

Manufactured with advanced materials and exacting military standards, the JQ-QY34F combines robust construction with optimized electrical characteristics. Built with the same rigorous quality control applied to our extensive range of Military Metal Relays and High Power Aviation Contactors, this contactor ensures dependable operation in the most challenging aerospace environments.

Product Visualization

   

Technical Specifications

Electrical Parameters

• Coil Power Consumption: 0.3W - 0.43W for energy-efficient operation
• Contact Load Ratings:
  • Standard Load: 1A at 28V DC, resistive
  • Signal Load: 10-50μA at 10-50mV for precision circuits
  • Operational Life: 100,000 cycles minimum for both load types
• Contact Resistance:
  • Initial: ≤ 50mΩ
  • After Life Test: ≤ 200mΩ
• Timing Characteristics:
  • Actuation Time: ≤ 4ms
  • Release Time: ≤ 4ms
  • Minimum Pulse Width: 10-50ms for reliable operation

Environmental & Physical Properties

• Dielectric Strength:
  • Sea Level: 500V RMS, 50Hz
  • High Altitude: 250V RMS, 50Hz (maintains performance)
• Insulation Resistance:
  • Initial: > 500MΩ
  • Post-Test: > 50MΩ
• Weight: < 3 grams
• Sealing Performance: Leakage rate ≤ 1×10⁻³ Pa·cm³/s
• Reference Temperature: 25°C for all electrical specifications

Key Features & Benefits

• Military-Grade Construction: Built to withstand extreme aerospace environments with vibration resistance comparable to Military Electronic components
• Hermetic Sealing: Complete environmental protection against moisture, dust, and contaminants, matching standards of Aviation Oil Sealed Valves
• Dual-Function Capability: Handles both power switching and sensitive signal circuits, offering versatility similar to advanced PCB Signal Relays
• Fast Response Time: 4ms maximum switching speed for critical control applications
• Extended Service Life: 100,000+ operational cycles reduce maintenance requirements and total cost of ownership
• Lightweight Design: <3g weight contributes to aircraft weight optimization goals
• Energy Efficient: Low power consumption minimizes system heat generation
• Altitude Performance: Maintains electrical integrity at reduced atmospheric pressures
• Compact Footprint: Space-saving design ideal for modern aerospace systems
• Enhanced Contact Technology: Advanced contact materials ensure reliable performance throughout operational life

Installation Guidelines

For optimal performance, follow these installation steps:

1. System Verification: Confirm compatibility with 28V DC aircraft systems and ≤1A load requirements
2. Environmental Assessment: Ensure installation location meets temperature and vibration specifications
3. Safety Precautions: De-energize system following established aircraft maintenance protocols
4. Mechanical Installation: Mount securely using provided hardware with proper torque specifications
5. Electrical Connection: Connect terminals according to wiring diagram, using practices consistent with Aviation Temperature Sensor installations for signal circuits
6. Testing & Validation: Perform comprehensive electrical testing before system commissioning

Application Areas

The JQ-QY34F is ideally suited for:

• UAV/Drone Systems: Power distribution, motor control, and payload management
• Aircraft Engine Controls: Starter circuits, generator switching, and fuel system management
• Avionics Power Distribution: Navigation, communication, and radar system power switching
• Military Systems: Integration with weapon systems and Military Aviation Connectors
• Ground Support Equipment: Test systems and maintenance equipment power control
• New Energy Applications: Electric and hybrid-electric aircraft power management
• Industrial Applications: High-reliability systems requiring performance comparable to Industrial Power Relays

Procurement Advantages: The JQ-QY34F offers reliable performance with extended service life, reducing maintenance costs and downtime. Sourcing from YM provides access to integrated solutions including Hydraulic Circuit Breakers and Aviation Magnetic Valves for complete system compatibility.

Quality & Compliance

• Manufactured under aerospace quality management systems
• Compliance with relevant MIL-STD specifications
• Material traceability and lot control
• RoHS compliance available
• Comprehensive documentation support for regulatory compliance

Customization Services

• Custom coil voltages and contact configurations
• Specialized termination options including Military aircraft Plug compatibility
• Modified mechanical configurations for specific installations
• Enhanced testing and validation protocols
• Custom marking and identification
• Specialized packaging solutions

Manufacturing Excellence

Every JQ-QY34F undergoes rigorous quality control:

1. Material certification from approved suppliers
2. Precision manufacturing with controlled processes
3. Automated assembly with quality verification
4. Hermetic sealing and leak testing
5. 100% electrical performance testing
6. Environmental sampling and validation
7. Final inspection and documentation

Frequently Asked Questions

What makes the JQ-QY34F suitable for aerospace applications?

The contactor features military-grade construction, hermetic sealing, vibration resistance, and altitude performance specifically designed for aerospace environments.

Can it handle both power and signal circuits?

Yes, it's designed for dual-purpose operation, handling 1A/28V power circuits and μA/mV signal circuits with equal reliability.

What is the expected service life?

Minimum 100,000 operational cycles under rated conditions, significantly exceeding typical maintenance intervals.

Is technical documentation available?

Comprehensive documentation including specifications, test reports, and application guidelines is provided.

Can samples be provided for evaluation?

Evaluation samples are available to qualified customers for testing and validation.

What support is available for system integration?

Technical support includes application engineering, integration guidance, and compatibility assessment with related components like Solid State Relays and Industrial Power Relays.

How does the hermetic sealing benefit Aviation Applications?

Hermetic sealing provides complete environmental protection against moisture, fuel vapors, and contaminants, ensuring long-term reliability in harsh aviation environments - comparable to requirements for Aviation Oxygen Valves.

Is the JQ-QY34F suitable for electric aircraft applications?

Yes, its advanced design characteristics including energy efficiency and reliable performance make it well-suited for electric and hybrid-electric aircraft power management systems.