StarTech ST4200USBM Industrial 4-Port USB 2.0 Hub with Terminal Block Power

Overview

The StarTech ST4200USBM is a compact, industrially hardened USB 2.0 hub designed for environments where a standard desktop hub would fail — think control panels, automation cabinets, kiosk enclosures, and surveillance equipment racks where power fluctuates and electrostatic discharge is a real risk. It adds four full-speed USB 2.0 Type-A ports from a single upstream USB B connection, powered independently through a 3-wire terminal block that accepts 7 to 24V DC. That wide input voltage range means you can pull power directly from many industrial bus rails or DIN-mounted supplies without a dedicated 5V adapter.

At 4.5 × 2.3 × 1.0 inches and 7.3 oz, the ST4200USBM mounts cleanly inside tight enclosures. It is not a hub you set on a desk — it is one you mount, wire, and forget.

Key Features

• Four USB 2.0 Type-A Ports at 480 Mbps Each: Each downstream port delivers full Hi-Speed USB 2.0 throughput — fast enough for barcode scanners, card readers, serial adapters, USB cameras, and other low-to-mid bandwidth peripherals common in security and automation deployments. You are not sharing a single pipe across four starved ports; each operates at the USB 2.0 Hi-Speed spec ceiling of 480 Mbps.
• Terminal Block Power Input (7–24V DC): The 3-wire terminal block accepts a wide 7–24V DC input range, eliminating the need for a wall-wart power supply. In a cabinet with a 12V or 24V rail already present — common in access control, IP intercom, and industrial automation panels — you can tap directly into existing infrastructure. This is a meaningful wiring simplification on multi-device enclosures.
• 8kV Air / 4kV Contact ESD Protection: Industrial environments generate electrostatic discharge spikes that destroy standard hubs. The ST4200USBM is rated for 8kV air discharge and 4kV contact discharge per IEC 61000-4-2 levels, providing the kind of protection you need when USB peripherals are being plugged and unplugged by operators or maintenance technicians in dry, high-traffic environments.
• 0°C to 55°C Operating Temperature: Standard commercial USB hubs are typically rated to 40°C — an indoor temperature that factory floors, outdoor-adjacent control rooms, and server closets without active cooling can exceed. The 55°C upper limit provides meaningful headroom in warm enclosures. Storage is rated even wider: -20°C to 85°C, so the unit survives shipping and staged storage in unheated warehouses.
• 5 to 95% RH Humidity Tolerance: The wide humidity operating range covers most non-condensing industrial and commercial settings without additional environmental controls.
• Compact Form Factor (4.5 × 2.3 × 1.0 in): At just over an inch tall and under 2.5 inches wide, the ST4200USBM fits inside shallow DIN enclosures and rack-mount accessory bays where a bulkier hub simply will not go. The 7.3 oz weight means mounting hardware is not fighting significant load.
• Single USB B Upstream Connection: The host-side connection is a standard USB B port, compatible with any system running a standard USB host controller. No drivers, no special host hardware — plug in the upstream cable, power the terminal block, and the four downstream ports are live.

Integration and Compatibility

The ST4200USBM follows the USB 2.0 specification, which means it is class-compliant and works with any operating system that supports standard USB hubs — Windows, Linux, and embedded OS environments alike. For network video recorders and embedded appliances with limited onboard USB ports, it is a straightforward way to add USB reader, dongle, or storage connectivity without PCIe expansion. In access control and IP camera deployments, it commonly serves as the expansion point for USB license dongles, configuration interfaces, and USB-to-serial adapters on controller hardware. If you are planning a multi-peripheral enclosure build, pair this hub with an appropriately sized industrial DC power supply that outputs within the 7–24V DC input range to keep wiring clean. For more on building out USB peripheral infrastructure in security installations, the surveillance system buying guide covers common integration patterns. Explore the full StarTech connectivity catalog for complementary cabling, adapters, and mounting accessories.

Frequently Asked Questions

Q: What is the input voltage range for the ST4200USBM terminal block power connection?

A: The terminal block accepts 7 to 24V DC via a 3-wire connection, making it compatible with standard 12V and 24V industrial power rails without a separate power converter.

Q: How many USB 2.0 downstream ports does the ST4200USBM provide?

A: It provides four USB 2.0 Type-A ports, each rated to the USB 2.0 Hi-Speed maximum of 480 Mbps.

Q: What ESD protection level is built into the ST4200USBM?

A: The hub is rated for 8kV air discharge and 4kV contact discharge ESD protection, suitable for industrial environments where static buildup from operators or equipment is a concern.

Q: What is the operating temperature range of the ST4200USBM?

A: Operating temperature is 0°C to 55°C (32°F to 131°F). Storage temperature extends from -20°C to 85°C.

Q: Does the ST4200USBM require special drivers?

A: No. It is USB 2.0 class-compliant and works with any operating system that supports standard USB hubs, including Windows and Linux-based embedded systems, without additional driver installation.

Q: What is the warranty on the ST4200USBM?

A: StarTech covers the ST4200USBM with a 2-year manufacturer warranty.

Ted Perry

The spec that makes the ST4200USBM worth specifying over a consumer hub in an industrial build is the 7–24V DC terminal block input. In cabinet work where you already have a 12V or 24V rail running to door controllers or camera power, not having to source a separate 5V wall adapter keeps the wiring count down and removes one more AC-to-DC brick from an enclosure that is already tight on space. I reach for this unit specifically when a client's embedded appliance or NVR has one USB port and needs to serve two or three peripherals simultaneously.

Technical Highlights:

• 8kV Air / 4kV Contact ESD Protection: In dry warehouse and manufacturing environments, this is not optional — standard hubs fail from static events that this unit is rated to absorb without damage to downstream devices.
• 55°C Operating Ceiling: Sealed enclosures and poorly ventilated control rooms regularly exceed 40°C ambient in summer. The 15-degree margin over a typical commercial hub spec prevents thermal shutdowns on long operational cycles.
• 480 Mbps Per-Port Throughput: Full USB 2.0 Hi-Speed on each of the four downstream ports — relevant when running USB-to-serial adapters or USB card readers where latency and throughput both matter for access control response times.

Deployment Considerations:

• Confirm your upstream host supports the USB B connection before ordering — the ST4200USBM draws its logic power from the upstream USB connection, so the host port must be live and functional independent of the terminal block power supply.
• The 0°C lower operating limit means this is not rated for unheated outdoor enclosures in cold climates — if your installation sees sub-zero ambient temperatures, a heated enclosure or a different hub solution is required.

This hub fits cleanly in access control panel builds and NVR rack accessories where an integrator needs to expand USB peripheral capacity inside a finished enclosure without adding AC wiring — particularly in 12V or 24V DC-only installations.