FEATURE
ENCLOSURES
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CABINET SOLUTION FOR MILITARY AND DEFENCE APPLICATIONS
4most launches fully integrated nVent Schroff Varistar CP Mil cabinet. This delivers advanced cooling, power
www.4most.co.uk/varistar-cp-rugged-military/ 4
most, a trusted specialist in rugged enclosure integration and electronic systems packaging, launches a fully integrated solution based on the nVent Schroff Varistar CP Mil cabinet, offering a complete mechanical and electronic infrastructure tailored specifically for defence and military applications. With operational demands on modern
defence systems becoming more stringent, 4most’s new fully integrated solution delivers robust cooling systems, mission-ready power distribution, and comprehensive EMC cable management in a ruggedised platform compliant with MIL-STD-810, MIL-STD-461, and other global military standards. “In defence environments, systems must
perform under extreme conditions – without fail,” said Dave Martin, sales business director at 4most. “By providing a fully integrated cabinet solution based on the reliable Varistar CP Mil platform, we help military and defence contractors simplify supply chains, reduce engineering risk, and accelerate deployment schedules.”
A COMPLETE, CONFIGURABLE ENCLOSURE PLATFORM The Varistar CP Mil from nVent Schroff is already well-regarded in the defence sector for its modular construction, rugged steel frame, and environmental protection capabilities. Now, 4most enhances this platform with a carefully engineered set of subsystems and features that address the full range of military-grade operational requirements. Each cabinet is fully configured, assembled,
tested, and delivered as a ready-to-deploy enclosure – ideal for land, sea, and air-based applications including C4ISR systems, radar units, communication hubs, mobile command centres, and electronic warfare installations.
THERMAL MANAGEMENT FOR BATTLEFIELD CONDITIONS One of the most significant challenges for defence electronics is heat dissipation in environments ranging from scorching deserts to high-humidity jungles or freezing arctic climates. To meet these challenges, 4most offers customised cooling architectures built into the Varistar CP Mil enclosure.
34 DESIGN SOLUTIONS MAY 2025
distribution, and EMC cable management for mission-critical electronic systems
Features include: • Shock-mounted high-performance fan trays for resilient airflow even under vibration. • Ducted cooling pathways and thermal zoning to isolate high-power heat loads. • Replaceable air filters for dust, sand, and particle protection. • Options for rear door heat exchangers or roof- mounted fans depending on deployment scenario. These systems are designed to maintain equipment within safe operational temperatures while maintaining low acoustic signatures and supporting continuous uptime in field operations.
RELIABLE, MIL-COMPLIANT POWER DISTRIBUTION Military electronics demand secure, regulated, and flexible power delivery. 4most integrates custom Power Distribution Units (PDUs) and Rack Safety Plus tailored systems for the electrical needs of mission equipment. Key capabilities include:
• AC and DC compatibility with flexible voltage options (110V, 230V, 28VDC, etc.). • Redundant input feeds for resilience in mission-critical operations. • Surge protection, circuit breakers, and inline EMI filters for clean and reliable power. • Power monitoring systems for remote diagnostics and fault isolation. All power systems are tested to IEC and MIL
standards and are integrated within the cabinet in a format that allows easy access for service while maximising internal space utilisation.
EMC CABLE MANAGEMENT The increasing digitalisation of defence platforms introduces significant challenges related to electromagnetic interference (EMI) and electromagnetic compatibility (EMC). 4most addresses these challenges with a complete cable management solution built into the Varistar CP Mil cabinet. Highlights include: • Shielded cable entry points with EMC gaskets and gland plates. • Brush strips and sealed cable clamps to maintain EMI shielding without restricting access.
• Internal cable trays, routing guides, and tie-downs to minimise vibration and prevent crosstalk.
• Integration of filter panels and grounding infrastructure for signal integrity. All cable management systems are validated
for compliance with MIL-STD-461 and can be customised to support fibre optics, RF cables, and mixed-signal environments typical in multi-role systems.
STREAMLINED PROCUREMENT AND LIFECYCLE SUPPORT 4most’s fully integrated integration approach dramatically simplifies the supply chain for defence contractors. Instead of sourcing cooling, power, shielding and racks from multiple vendors, integrators receive a fully assembled, fully tested system backed by a single point of accountability. This streamlined model results in:
• Faster deployment timelines. • Reduced engineering workload. • Guaranteed component compatibility. • Fewer integration issues during installation or field maintenance. Additionally, 4most offers full lifecycle
services including design customisation and documentation to defence standards. “When you’re outfitting a mobile command
vehicle or remote radar shelter, time and reliability are everything,” added Martin. “With 4most, customers receive a complete, mission-ready solution that just works – straight out of the crate.”
TRUSTED BY DEFENCE LEADERS With a track record of successful deployments for defence primes, government agencies, and NATO-aligned forces, 4most is recognised for delivering high-reliability infrastructure to some of the world’s most demanding defence programs. Whether supporting rapid deployments or long-
term infrastructure programs, the new integrated Varistar CP Mil cabinet platform is a reliable, flexible solution engineered to meet the challenges of modern defence operations. View the video here:
https://youtu.be/LaKoGCJ5F_w
4most
T: 01371 811171
sales@4most.co.uk www.4most.co.uk
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