Military Aviation Metal Power Relay JQX-20M

Product Overview

The JQX-20M is a premium Military Metal Sealing Relay engineered as a dual-compatibility replacement for both Deutsch E210 and Leach M300 series relays. This Aviation DC Relay features an advanced timing mechanism and robust 4.39Kpa sealing for extreme aerospace environments. As a high-power Military Electromagnetic Relay, it delivers reliable 10A switching at 28VDC with precise timing control capabilities. Manufactured by YM with 18+ years of specialized expertise, this DPDT 8Pin 27V Relay provides enhanced performance as a direct drop-in replacement for legacy systems, eliminating redesign costs while improving reliability.

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Technical Specifications

• Contact Configuration: DPDT (Double Pole Double Throw)
• Coil Voltage: 27VDC Standard
• Contact Rating: 10A @ 28VDC Resistive Load
• Coil Power Consumption: 0.3-0.43W
• Low Level Contact Capacity: (10-50)μA, (10-50)mV, 1×10⁶ operations
• Contact Resistance: Initial ≤50mΩ; Post-life ≤200mΩ
• Operate/Release Time: ≤4ms each (≤3ms typical) with timing control
• Dielectric Strength: 500Vr.m.s. @ normal pressure; 250Vr.m.s. @ low pressure
• Insulation Resistance: >500MΩ normal; >50MΩ post high-level life test
• Weight: <3g
• Sealing Performance: 4.39Kpa pressure rating; Leakage rate ≤10⁻³ Pa·cm³/s
• Timing Range: Adjustable operate/release timing (10-50ms range)
• Operating Temperature: -65°C to +125°C
• Direct Replacement For: Deutsch E210 series, Leach M300 series, BR246, FCA-210

Key Features & Advantages

1. Dual Compatibility Design: Single relay replaces both Deutsch E210 and Leach M300 series, simplifying inventory and reducing costs.
2. Integrated Timing Function: Built-in timing control with 10-50ms adjustable range for precise circuit sequencing applications.
3. High-Current Capacity: 10A switching capability at 28VDC, making it suitable for power distribution and motor control applications.
4. Enhanced Environmental Sealing: 4.39Kpa pressure rating ensures reliable operation in high-altitude and harsh environments.
5. Military-Grade Construction: Full metal enclosure with SUS304/316 stainless steel withstands extreme shock and vibration.
6. Optimized PCB Board Relay Design: Designed for easy integration with standard PCB layouts and automated assembly processes.

Application Scenarios

This versatile Military Metal Relay is engineered for demanding aerospace and defense applications requiring timing control:

• Aircraft Power Distribution: Sequential power-up systems, bus switching, and load shedding control
• Engine Control Systems: Starter motor sequencing, fuel pump control, and ignition timing circuits
• Military Vehicle Electronics: Weapon system sequencing, communication equipment power management
• Drone Flight Controls: Motor startup sequencing, payload deployment timing, and safety system delays
• Industrial Automation: Process control timing, safety interlock delays, and equipment sequencing
• Legacy System Upgrades: Direct replacement in Deutsch E210 or Leach M300 installations without modification

Installation & Integration Steps

1. System Identification: Determine whether replacing Deutsch E210 or Leach M300 series components.
2. Timing Configuration: Set required operate/release timing (10-50ms) based on application requirements.
3. PCB Verification: Confirm footprint compatibility with existing E210/M300 PCB layouts.
4. Component Removal: Carefully desolder existing relay using appropriate temperature-controlled equipment.
5. Surface Preparation: Clean PCB pads thoroughly to ensure optimal solder joint formation.
6. Precision Placement: Align JQX-20M with correct pin orientation matching original component.
7. Soldering Process: Use lead-free solder at 320-350°C with appropriate thermal management.
8. Timing Verification: Test timing performance under actual load conditions to confirm specifications.

Procurement Value Proposition

• Inventory Consolidation: One component replaces two legacy part numbers, reducing inventory complexity.
• Eliminated Requalification: Direct drop-in replacement avoids costly system requalification processes.
• Enhanced Functionality: Built-in timing control adds capability without additional components.
• Supply Chain Security: Reliable manufacturing from SGS-audited factory ensures consistent availability.
• Lifecycle Cost Reduction: Superior construction extends service life and reduces maintenance frequency.

Certifications & Compliance

• CE and UL certified components and materials
• Compliant with MIL-PRF-6106 Military Relay specifications
• SGS-audited manufacturing processes and quality systems
• RoHS compliant materials and production methods
• ISO 9001:2015 certified quality management system
• Compatibility verified with Deutsch E210 and Leach M300 specifications

Customization Options

While optimized as a direct E210/M300 replacement, YM offers comprehensive customization:

• Alternative coil voltages (12V, 24V, 48VDC) for specific system requirements
• Custom timing ranges and characteristics for specialized applications
• Modified contact configurations or current ratings
• Enhanced sealing for specific environmental requirements
• Special testing and screening (extended timing accuracy verification)
• Private labeling and customized documentation packages
• Metal Sealed Military Relay JQX-20M
• Military Metal 27V Relay with time rating JQX-20M  Replace of Deutsch Relay E210
• Power type sealed electromagnetic DPDT 4.39Kpa Relay with time rating as Relay Leach M300
• Sealed Electromagnetic Aviation Relay with Military Grade Metal Design 4.39KPa 10A 28vdc
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• Metal Relay Designed for Aviation and Military Applications
• Aviation Relay with Military Grade Metal Design
• Military Aviation Relay for Drone,Aircraft Engine PCB Board 
• High quality Aviation relay for Engine,Train,Plane maintain

Our expertise extends across Automotive Relay, Industrial Power Relay, and PCB Signal Relay technologies, with extensive ODM experience serving global aerospace manufacturers.

Quality Assurance Process

Every JQX-20M undergoes rigorous 7-stage quality verification:

1. Incoming material certification with full traceability documentation
2. Precision machining with automated SPC monitoring and control
3. Timing mechanism calibration and verification
4. Contact assembly with high-current rated materials
5. Hermetic sealing with 100% leak rate testing
6. Comprehensive electrical and timing testing across temperature range
7. Final inspection with compatibility verification for E210/M300 standards

Frequently Asked Questions