NST-2004 – Industrial 4‑Port Unmanaged Ethernet Switch for Control Panels

The NST-2004 is a compact, cabinet-friendly Ethernet switch built for simple, reliable networking inside machines and process lines. From my experience, it fits best where you need a stable four-port 10/100 Mbps hub to link a PLC, HMI, drive, and a maintenance laptop without overcomplicating the setup. You might notice that it’s typically used in MCCs, small cells, and OEM skid packages where space is tight and downtime sensitivity is high.

One thing I appreciate is how quickly teams deploy it: DIN-rail mount, DC power in, and you’re passing traffic in a few minutes. It seems to be the kind of “set it and forget it” piece that keeps the panel tidy and the network predictable, especially when you don’t need the overhead of a managed switch.

Order Placement Process and Guarantees

• Warranty period: 365 days
• Delivery time: 1 week for in-stock; no more than one month at the latest
• Payment method: 50% advance payment; full payment for delivery
• Express delivery: FedEx, UPS, DHL

Key Features

• 4x 10/100Base‑TX (RJ45) – Straightforward connectivity for PLCs, HMIs, and drives; auto‑negotiation and auto MDI/MDI‑X simplify field wiring.
• Unmanaged simplicity – No configuration routine; power it up and it starts forwarding packets. Ideal for maintenance teams that prefer plug‑and‑play.
• DIN‑rail mounting – Clean installation in standard industrial cabinets; typically IP30 metal enclosure for better durability.
• Wide DC power input – Commonly supports 24 VDC systems and, in many cases, broader 12–48 VDC ranges found in mobile or hybrid panels.
• Industrial temperature design – Usually specified for harsh shop‑floor conditions; suited to control rooms and machine enclosures with active ventilation.
• Low power consumption – Keeps heat load down in tightly packed cabinets, which helps component longevity.

Technical Specifications

Quick feedback from a maintenance lead at a packaging plant: “We dropped the NST-2004 into an older filler line cabinet to tie the PLC, VFD, vision sensor, and our service laptop. It’s been boring—in a good way. No tweaking since day one.”

Related or Supporting Products

• Moxa EDS-205A – 5-port unmanaged FE switch; adds one extra port for expansion.
• Phoenix Contact FL SWITCH 3005 – Industrial 5-port FE switch; robust enclosure and cabinet accessories.
• Advantech EKI-2525 – 5-port unmanaged FE switch; widely used in OEM panels.
• Hirschmann SPIDER 5TX EEC – 5x 10/100Base‑TX; extended environmental range for harsher areas.
• Panel power supplies (24 VDC) – For stable input power; look for 60 W class with overload protection if multiple devices share the rail.

Installation & Maintenance

• Cabinet & mounting – Use a grounded metal cabinet with EN 60715 DIN‑rail. Maintain clearance around the unit for airflow (typically >25 mm on top/bottom).
• Power wiring – Supply stable 24 VDC (or the supported DC range). Use ferrules on stranded conductors and add a dedicated cabinet ground. From my experience, a small UPS or buffer module reduces nuisance outages.
• Network cabling – Use Cat5e or better, industrial‑rated if in vibration or oil‑mist zones. Keep VFD motor cables segregated to reduce EMI.
• Environmental – Install in a dry, ventilated panel. If the panel sees frequent washdown or high ambient heat, consider a wide‑temp version or cabinet cooling.
• Surge & ESD – Add surge protection on long cable runs. Good bonding and shielding usually eliminate intermittent port drops.
• Routine care – Quarterly dust removal, visual check on terminal tightness, and verify link/activity LEDs during PM rounds. Firmware is not applicable on unmanaged models, which keeps upkeep minimal.

Quality & Certifications

• Compliance typically aligns with CE and RoHS for industrial networking devices.
• UL and other regional marks may be available depending on the batch; share your compliance needs and we’ll confirm before shipment.
• Supplier warranty support from us: 365 days from delivery.