Military Metal Smart DC Relay JZC-4MT

Product Overview

The JZC-4MT is a high-power Military Metal Sealing Relay designed for demanding aerospace and defense applications requiring robust performance under extreme conditions. This Aviation DC Relay features exceptional 4.4Kpa environmental sealing and withstands acceleration forces up to 50g, making it ideal for vibration-intensive military environments. As a heavy-duty Military Electromagnetic Relay, it delivers reliable 10A switching at 28VDC with DPDT configuration. Manufactured by YM with 18+ years of precision engineering expertise, this DPDT 8Pin 27V Relay serves as a direct replacement for CII C-10AMP series components, providing enhanced durability and performance for legacy system upgrades.

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Technical Specifications

• Contact Configuration: DPDT (Double Pole Double Throw)
• Rated 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; After life test ≤200mΩ
• Operate/Release Time: ≤4ms each (≤3ms typical)
• 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: 4.4Kpa pressure rating; Leakage rate ≤10⁻³ Pa·cm³/s
• Vibration/Shock Resistance: 50g acceleration rating
• Operating Temperature: -65°C to +125°C
• Direct Replacement For: CII C-10AMP series relays

Key Features & Advantages

1. High-Power Switching Capability: 10A contact rating supports demanding power distribution and motor control applications.
2. Exceptional Vibration Resistance: 50g acceleration rating ensures reliable operation in high-vibration military environments.
3. Superior Environmental Sealing: 4.4Kpa pressure rating with advanced hermetic sealing for extreme altitude operation.
4. Direct Legacy Compatibility: Pin-for-pin replacement for CII C-10AMP series, eliminating system redesign costs.
5. Military-Grade Construction: SUS304/316 stainless steel enclosure withstands harsh environmental conditions.
6. Optimized PCB Board Relay Design: Engineered for excellent thermal management and solderability in high-current applications.

Application Scenarios

This heavy-duty Military Metal Relay is engineered for high-power aerospace and defense applications:

• Aircraft Power Distribution: Main bus switching, generator control, and high-current load management
• Military Vehicle Systems: Weapon system power control, communication equipment switching, and auxiliary power distribution
• Engine Control Units: Starter motor control, fuel pump switching, and ignition system circuits
• Ground Support Equipment: High-power test systems, maintenance equipment, and power conditioning units
• Industrial Automation: Heavy machinery control where standard Industrial Power Relay components are inadequate
• Legacy System Upgrades: Direct replacement in aging CII C-10AMP installations without modification
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Installation & Integration Steps

1. System Assessment: Verify existing system uses CII C-10AMP series configuration.
2. Thermal Management Planning: Assess heat dissipation requirements for 10A continuous operation.
3. PCB Verification: Confirm footprint compatibility with C-10AMP PCB layout and current carrying capacity.
4. Component Removal: Carefully desolder existing relay using appropriate temperature-controlled equipment.
5. Surface Preparation: Clean PCB pads thoroughly and ensure adequate trace width for 10A current.
6. Precision Placement: Align JZC-4MT with correct pin orientation matching original component.
7. High-Current Soldering: Use lead-free solder with adequate thermal mass for high-current connections.
8. Load Testing: Test relay operation under actual load conditions to verify performance.

Procurement Value Proposition

• Reduced System Downtime: Direct replacement capability minimizes equipment modification and requalification time.
• Enhanced Reliability: Superior construction and materials extend service life compared to original C-10AMP components.
• Supply Chain Stability: Reliable manufacturing from SGS-audited factory ensures consistent availability.
• Technical Partnership: Access to engineering expertise for high-power application integration.
• Lifecycle Cost Reduction: Extended durability reduces maintenance frequency and total ownership costs.

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
• Vibration testing per MIL-STD-202 Method 204 for 50g rating

Customization Options

While optimized as a direct C-10AMP replacement, YM offers comprehensive customization:

• Alternative coil voltages (12V, 24V, 48VDC) for specific system requirements
• Modified current ratings or contact configurations
• Enhanced sealing for specific altitude/pressure requirements
• Special vibration testing and screening for extreme environments
• Custom pin configurations or high-current termination options
• Private labeling and application-specific documentation packages

Our manufacturing expertise spans Automotive Relay, New Energy Relay, and PCB Signal Relay technologies, with extensive ODM experience serving global defense contractors.

Quality Assurance Process

Every JZC-4MT undergoes rigorous 7-stage quality verification:

1. Incoming material certification with full traceability documentation
2. Precision machining with automated SPC monitoring and control
3. High-current contact assembly with optimized materials for minimal resistance
4. Hermetic sealing with 100% leak rate testing and verification
5. Vibration testing to verify 50g acceleration rating
6. High-current load testing across specified temperature range
7. Final inspection with C-10AMP compatibility verification and lot coding

Frequently Asked Questions