Aircraft DC 175A Contactor JQ-50M

JQ-50M Military Aviation Contactor:

Direct Replacement for C800-B10N LEACH with Enhanced Reliability

The JQ-50M Military Aviation Contactor is a precision-engineered, high-performance replacement specifically designed for C800-B10N LEACH series contactors in critical aerospace applications. As part of YM's comprehensive Military Aviation Contactor series, this component delivers exceptional reliability for drone systems, aircraft engines, and aviation power distribution where compatibility with legacy systems is essential for ongoing maintenance and operations.

Engineered with exact mechanical and electrical compatibility, the JQ-50M maintains the form, fit, and function of original C800-B10N components while incorporating modern manufacturing advantages. Built to the same rigorous standards as our extensive range of Military Metal Relays and High Power Aviation Contactors, this product provides a reliable solution for obsolescence management and system sustainment.

Product Visualization

   

Technical Specifications

Electrical Performance Parameters

• Coil Power Consumption: 0.3W - 0.43W (energy-efficient design)
• Contact Load Ratings:
  • Standard Load: 1A at 28V DC (resistive)
  • Signal Load: 10-50μA at 10-50mV (precision circuits)
  • Operational Life: 100,000 cycles minimum for both load types
• Contact Resistance:
  • Initial Value: ≤ 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
  • After Testing: > 50MΩ
• Weight: < 3 grams (lightweight aerospace design)
• Sealing Performance: Maximum leakage: 1×10⁻³ Pa·cm³/s
• Reference Conditions: All specifications at 25°C

Key Features & Benefits

• C800-B10N LEACH Compatibility: Direct drop-in replacement with identical mechanical and electrical interfaces
• Military-Grade Durability: Built to withstand extreme aerospace environments with vibration resistance comparable to Military Electronic components
• Hermetic Sealing: Complete environmental protection against moisture and contaminants, matching standards of Aviation Oil Sealed Valves
• Dual-Function Capability: Handles both power switching and precision signal circuits, offering versatility similar to advanced PCB Signal Relays
• Fast Response: 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
• Energy Efficient: Low power consumption minimizes system heat generation
• Altitude Performance: Maintains electrical integrity at reduced atmospheric pressures
• Improved Manufacturing Quality: Modern production techniques ensure consistent performance exceeding original specifications
• Assured Supply Availability: Eliminates dependency on obsolete C800-B10N components with reliable ongoing production

Installation & Replacement Procedure

For seamless replacement of C800-B10N LEACH contactors, follow these steps:

1. System Verification: Confirm compatibility with existing 28V DC aircraft systems
2. Physical Compatibility Check: Verify matching dimensions and mounting configuration
3. Safety Procedures: De-energize system following established aircraft maintenance protocols
4. Direct Replacement: Remove existing C800-B10N contactor and install JQ-50M using original hardware
5. Electrical Connection: Connect terminals according to original wiring scheme, using practices consistent with Aviation Temperature Sensor installations for signal circuits
6. Testing & Validation: Perform comprehensive electrical testing before system recommissioning
7. Documentation Update: Record component replacement in maintenance logs

Application Areas & Industry Use

The JQ-50M is ideally suited for:

• Legacy Aircraft Upgrades: Direct replacement for C800-B10N LEACH contactors in aging aircraft systems
• UAV/Drone Power Systems: Power distribution, motor control, and battery 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
• Industrial Applications: High-reliability systems requiring performance comparable to Industrial Power Relays

Procurement Value: The JQ-50M offers reliable C800-B10N replacement with extended service life, reducing maintenance costs and eliminating obsolescence issues. Partnering with YM provides access to integrated solutions including Hydraulic Circuit Breakers and Aviation Magnetic Valves.

Quality Standards & Regulatory Compliance

• Manufactured under aerospace quality management systems
• Compliance with relevant MIL-STD specifications
• Full material traceability and batch control
• RoHS compliance available
• Documentation supporting regulatory compliance
• Test reports and certification documentation provided

Customization Services

• Electrical Modifications: Custom coil voltages and contact configurations
• Termination Options: Various connector styles including Military aircraft Plug compatibility
• Mechanical Adaptations: Custom mounting configurations and housing modifications
• Enhanced Testing: Additional validation and environmental testing protocols
• Identification Systems: Custom part numbering and customer-specific markings
• Packaging Solutions: Specialized packaging for maintenance and MRO applications

Manufacturing Excellence

Every JQ-50M undergoes rigorous quality control:

1. Material Certification: Aerospace-grade materials from approved suppliers
2. Precision Manufacturing: Controlled processes ensuring dimensional accuracy
3. Automated Assembly: Consistent assembly with quality verification
4. Sealing Process: Hermetic sealing with comprehensive leak testing
5. Electrical Testing: 100% performance testing of all parameters
6. Environmental Validation: Batch testing for vibration, thermal, and life testing
7. Final Inspection: Complete verification before packaging

Frequently Asked Questions

Is the JQ-50M truly compatible with C800-B10N LEACH contactors?

Yes, the JQ-50M is designed as a direct drop-in replacement with identical mechanical dimensions, mounting configurations, and electrical characteristics.

What advantages does the JQ-50M offer over original C800-B10N units?

While maintaining full compatibility, the JQ-50M benefits from modern manufacturing techniques, tighter tolerances, and assured supply availability.

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 service life expectancy?

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

What documentation supports maintenance and compliance?

Complete documentation including specifications, test reports, compatibility statements, and application guidelines.

Can samples be provided for testing?

Evaluation samples are available to qualified customers for compatibility and performance testing.

What support is available for fleet replacement programs?

Comprehensive support including volume pricing, scheduled delivery, and documentation packages for large-scale replacement initiatives.

How does hermetic sealing benefit Aviation Applications?

Hermetic sealing provides complete environmental protection, ensuring long-term reliability in harsh aviation environments - comparable to requirements for critical components like Aviation Oxygen Valves.

Is the JQ-50M suitable for modern drone applications?

Yes, its lightweight design and reliable performance make it ideal for both legacy system replacement and new drone system integration.