Military Aviation Contactor JQ-28F

Product Overview

The YM Military Aviation Contactor JQ-28F 100A is a high-performance, three-phase sealed contactor designed for demanding aerospace power distribution applications. Engineered to handle 100A loads in drone systems, aircraft engines, and aviation power networks, this hermetically sealed component delivers reliable three-phase power switching in extreme environmental conditions. As a key component within YM's comprehensive aviation solutions—which includes Military Aviation Connectors and High Power Aviation Contactors—the JQ-28F 100A is built to work seamlessly with complementary systems such as Hydraulic Circuit Breakers and Aviation Magnetic Valves, ensuring robust system performance and mission reliability.

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Technical Specifications

Engineered for high-capacity three-phase applications with precision performance:

• Rated Current Capacity: 100A three-phase power switching
• Coil Power Consumption: 0.3W to 0.43W operational range
• Contact Load & Electrical Life:
  • Resistive Load: 1A at 28V DC for 1×10⁶ operations
  • Low-Level Load: (10-50)μA at (10-50)mV for 1×10⁶ operations
• Contact Resistance: Initial ≤50mΩ; post-lifetime ≤200mΩ
• Switching Performance: Action time ≤4ms, release time ≤4ms (typical ≤3ms); requires (10-50)ms incentive pulse width
• Dielectric Strength: 500V RMS @ 50Hz (normal pressure); 250V RMS @ 50Hz (low pressure)
• Insulation Resistance: >500MΩ initially; >50MΩ after endurance testing
• Weight: Under 3 grams despite high-current capacity
• Sealing Performance: Leakage rate ≤1.0×10⁻³ Pa·cm³/s (hermetic metal seal)
• Operating Temperature: Rated for standard 25°C conditions
• Phase Configuration: Three-phase design for balanced power distribution

Product Features & Advantages

1. High-Capacity Three-Phase Design: Engineered for 100A three-phase power distribution in aerospace applications.
2. Advanced Hermetic Metal Sealing: Features proprietary Metal Sealing technology used in our Military Metal Relays for complete environmental protection.
3. Balanced Phase Performance: Ensures consistent contact performance across all three phases for stable power delivery.
4. High Reliability Under Load: Designed to maintain performance under 100A loads with minimal voltage drop and heat generation.
5. Compact High-Power Design: Achieves 100A capacity in a compact form factor weighing under 3 grams.

Installation & Integration Procedure

For optimal three-phase system integration:

1. System Compatibility Check: Verify three-phase voltage and 100A current requirements match contactor specifications.
2. Phase Identification & Preparation: Clearly identify L1, L2, L3 phases and prepare corresponding wiring.
3. Secure Mounting: Install using designated mounting points, ensuring adequate clearance for heat dissipation.
4. Three-Phase Wiring: Connect each phase to corresponding terminals, maintaining proper phase sequence.
5. Control Circuit Connection: Connect control signals to coil terminals, observing voltage specifications.
6. Comprehensive Testing: Perform phase balance, continuity, and load testing before full system operation.

Application Scenarios

• Aircraft Three-Phase Power Distribution: Main power switching in Aircraft Electrical Systems.
• High-Power UAV Systems: Power management for large drone propulsion and payload systems.
• Aircraft Engine Starter Circuits: High-current switching for engine starting systems.
• Aviation Ground Power Units: Power control in ground support equipment.
• Military Power Systems: Three-phase power distribution in mobile command units and field systems.
• Test & Simulation Equipment: High-power switching in aviation test benches and simulators.

Value for Procurement Teams: The JQ-28F 100A provides reliable three-phase power control in a compact, sealed package, reducing system complexity, improving power distribution efficiency, and enhancing overall system reliability for high-current aerospace applications.

Certifications & Compliance

Manufactured under aerospace-grade quality systems designed for high-power applications. While specific certifications depend on application requirements, our production processes ensure performance consistency and reliability for three-phase power switching. This commitment to quality is demonstrated across our product range including Military Pressure Sensors and Aviation Encoding Switches.

Customization Options

Available customization for specific three-phase applications:

• Specific coil voltage configurations for different control systems
• Custom terminal arrangements for unique three-phase configurations
• Specialized mounting configurations for integration with existing panels
• Application-specific current rating adjustments (within design limits)
• Custom marking and identification for phase recognition

Production & Quality Assurance

1. High-Current Component Selection: Special materials selected for 100A three-phase operation.
2. Precision Three-Phase Assembly: Automated assembly ensuring balanced phase characteristics.
3. Hermetic Sealing Process: Advanced sealing for high-power environmental protection.
4. Comprehensive Electrical Testing: 100% testing including phase balance, contact resistance, and high-current performance.
5. Environmental Validation: Rigorous testing for vibration, thermal performance under load, and seal integrity.

This quality-focused approach, consistent with our production of Solid State Relays and Industrial Power Relays, ensures every JQ-28F 100A delivers reliable three-phase performance in demanding aerospace environments.