Black Box LBH120A-H-ST
Hardened Mini Industrial Switch – 5 Ports
The Black Box LBH120A-H-ST is a rugged, hardened mini industrial Ethernet switch designed to thrive in harsh environments. Equipped with five ports (including fiber uplinks), this compact switch delivers reliable performance with extended temperature tolerance. Purpose‑built for industrial automation, traffic systems, utilities, and outdoor deployments, it ensures network connectivity even under demanding conditions.
As part of the Black Box industrial networking line, the LBH120A-H-ST combines reliability, compact size, and flexible mounting, making it ideal for cabinets, wall enclosures, and pole‑mounted systems that require hardened, space‑efficient networking gear.
Features :
This hardened 5‑port mini switch supports Fast Ethernet speeds and fiber connectivity via ST fiber ports. It withstands extreme operating temperatures, provides EMI/RFI resistance, and is housed in a rugged metal casing suitable for industrial field use.
Advanced Options :
The LBH120A-H-ST is engineered with fanless operation for silent, reliable use in mission‑critical applications. Redundant power inputs add resiliency in case of power disruptions. Flexible DIN rail or panel mounting allows quick deployment in industrial cabinets while lightweight construction saves space.
Product Key Features
- 5‑port hardened mini switch
- Designed for industrial environments
- Includes ST fiber uplink options
- Supports Fast Ethernet (10/100 Mbps)
- Compact, rugged, and space‑saving design
- Extended operating temperature range
- Redundant power support
- Backed by Black Box reliability
Reliability & Performance :
The Black Box LBH120A‑H‑ST is designed for maximum uptime in mission‑critical industrial networks. Its hardened build tolerates wide temperature swings, shock, vibration, and electrical noise typical of industrial and outdoor environments. With quiet fanless cooling and redundant power inputs, it provides consistent performance 24/7.
Key Features :
- Industrial‑grade hardened 5‑port switch
- ST fiber interface for long‑distance connectivity
- DIN‑rail or wall mount options
- Extreme temperature tolerance
- Trusted Black Box networking gear
Specifications :


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