DEFANDAIR 55x37mm - MIL-SPEC Military Cooling Fan

High-Reliability Defense & Military-Grade Cooling Solutions (MIL-SPEC).

The DEFANDAIR Series is an advanced MIL / Defense-grade cooling DC fan engineered for mission-critical electronics. This high-performance fan is designed to meet rigorous MIL-STD-810 environmental standards, ensuring maximum survivability in harsh theater operations. It is the preferred choice for Military electronics, airborne systems, and naval communication racks and systems.

MIL-STD-810H Compliant FAN: Fully tested for high altitude, thermal shock, mechanical vibration, salt fog, rain, and humidity.

Defense-Grade Reliability FAN: Optimized for Military and Aerospace applications with a long operational life (L10) of up to 70,000 hours.

Ruggedized Design FAN: Built with a high-grade aluminum housing for extreme Defense, Marine, and Avionics field use.

Standard-Compliant Signals: Equipped with PWM control and Tacho signals for integrated MIL-SPEC thermal management and precise speed monitoring.

The DEFANDAIR 55x37mm cooling fan series is engineered for high-pressure requirements, operating at a nominal 28 VDC. With air flow reaching up to 57.18 CFM and a maximum static pressure of 4.52 InchH2O, this fan ensures reliable thermal management for compact, high-density electronics. It is fully compatible with various defense and harsh environment industrial systems, including Rail, Mining and Off-road applications.

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Technical Integration & Support Phases:

Phase 1: Custom Configuration – Our engineers assist in selecting the optimal mounting configuration (Clamps or Ears) and signal output for your specific MIL-SPEC requirements.

Phase 2: Environmental Compatibility – Guidance on integration to ensure compliance with MIL-STD-810H standards for altitude, shock, and extreme temperatures ranging from -40°C to +85°C.

Phase 3: Lifecycle Assurance – Laminar provides long-term technical support and MTBF verification to guarantee system survivability in mission-critical operations.