APC NetShelter SX 42U Networking Enclosure 750mm Wide

The APC NetShelter SX 42U 750mm Wide Networking Enclosure (AR3140) is purpose-built for high-density network equipment deployments where cable management and airflow are critical design priorities. The 750mm width — wider than the standard 600mm NetShelter SX variants — provides substantially more lateral clearance for the dense horizontal and vertical cable runs typical of core switching, distribution-layer routing, and high-port-count patch environments. The enclosure ships with side panels, a top panel, a split rear door, and a perforated front door, all engineered to maintain structured airflow paths while allowing front-to-rear ventilation suited to network hardware thermal profiles.

Constructed from heavy-gauge steel with a durable powder-coat finish, the AR3140 accommodates standard 19-inch rack-mount equipment across 42U of usable vertical space. The adjustable mounting rails support both two-post and four-post mounting configurations, enabling flexibility across switch, router, firewall, and patch panel form factors. Integrated M6 cage nut rail channels are compatible with the full range of APC rack accessories including blanking panels, cable managers, and PDU mounting brackets, allowing organizations to build out structured, standards-compliant network racks within a single cohesive ecosystem.

The NetShelter SX line is widely deployed in enterprise data centers, network operations centers (NOCs), and campus distribution rooms where long-term cable serviceability, physical security, and equipment density must coexist. The AR3140 specifically addresses environments where 600mm-wide enclosures create cable congestion at the rear or sides, making it the preferred choice for aggregation and core network tiers handling large fiber and copper trunk bundles. The enclosure is compatible with APC's NetShelter SX family accessories and integrates with APC EcoStruxure IT for infrastructure monitoring when paired with appropriate management hardware.

Ideal for

• Core and aggregation layer network deployments housing high-port-count switches with dense fiber and copper trunk cabling requiring lateral clearance beyond standard 600mm enclosures
• Enterprise NOC and data center network racks consolidating multiple 1U and 2U routers, firewalls, and load balancers with structured front and rear cable management
• Campus distribution closets where horizontal cable bundles from multiple access-layer switches terminate at patch panels and uplink switches within a single enclosure
• Colocation environments where tenants require a lockable, physically secure enclosure for dedicated network infrastructure with controlled front and rear access
• High-density patch panel buildouts combining 24-port or 48-port copper and fiber panels with adjacent switching equipment in a single managed physical unit
• Network refresh and consolidation projects replacing open-frame two-post racks with enclosed, cable-managed infrastructure to improve airflow, security, and serviceability

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.