1783-US8T Stratix 2000 8-Port Unmanaged Ethernet Switch | Allen-Bradley

The Original New Allen-Bradley 1783-US8T Stratix 2000 8-Port Unmanaged Ethernet Switch is a compact, cost-effective unmanaged switch designed for straightforward industrial Ethernet networking in automation systems. Featuring 8 RJ45 10/100 Mbps copper ports, this plug-and-play device requires no configuration for quick installation. DIN rail mountable with flexible AC/DC power input, it is suitable for connecting PLCs, HMIs, drives, and other Ethernet devices in machine control panels and small-scale factory networks.

Core Engineering Highlights:
8 RJ45 10/100 Mbps copper ports | Unmanaged plug‑and‑play operation | 12–48V DC or 18–30V AC flexible power input | 4.6W max power consumption | DIN rail mounting | IP20 enclosure | 0°C to 60°C operating temperature

Key Features:

• Original New Allen-Bradley 1783-US8T switch

• 8 Fast Ethernet RJ45 ports (10/100 Mbps)

• Unmanaged design — no configuration required for plug‑and‑play operation

• Auto‑negotiation for speed and duplex per port

• Store‑and‑forward switching method

• Broadcast storm protection with packet‑based thresholds (20 pps for 10 Mbps, 200 pps for 100 Mbps per port)

• Flexible power input: 12–48V DC or 18–30V AC, 50/60 Hz

• DIN rail mounting for control cabinet installation

• IP20 open‑style enclosure

• Compact form factor: 114.5 x 76.8 x 45.6 mm (4.50 x 3.02 x 1.80 in.)

• 0°C to 60°C operating temperature range

• Compliant with IEEE 802.3 and IEEE 802.3u standards

• Compatible with Logix controllers for seamless factory network integration

Applications:

• Connecting PLCs, HMIs, drives, and I/O modules in machine control panels

• Small‑scale factory automation and industrial Ethernet networks

• Simple machine networks requiring reliable, low‑cost Ethernet connectivity

• DIN rail mounted control cabinet installations

• Legacy and new equipment integration into EtherNet/IP networks

Technical Specifications:

• Catalog Number: 1783-US8T

• Product Family: Stratix 2000 Unmanaged Switches

• Product Type: Industrial Ethernet Switch

• Total Ports: 8

• Port Type: 8 x RJ45 10/100 Mbps Fast Ethernet (copper)

• SFP Ports: 0

• Switching Method: Store‑and‑forward

• Standards: IEEE 802.3, IEEE 802.3u

• Power Input: 24V nominal (12–48V DC, 18–30V AC, 50/60 Hz)

• Max Inrush Current: 1.31 A

• Max Power Consumption: 4.6 W

• Nominal Current: DC 250 mA; AC 500 mA

• Max Current: DC 510 mA; AC 1100 mA

• Ground Connection Wire Size: 2.5 mm² (14 AWG) copper wire

• Power Terminal Screw Torque: 0.50–0.56 N·m (4.5–5.0 in·lb)

• Ground Terminal Screw Torque: 8.05 in·lb max

• Mounting: DIN Rail

• Enclosure Type: Open‑style (IP20)

• Dimensions (W x H x D): 114.5 x 76.8 x 45.6 mm (4.50 x 3.02 x 1.80 in.)

• Weight: Approx. 0.34 kg (0.75 lbs)

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• UPC: 884951981386

System Compatibility:

• Rockwell Automation Logix controllers (ControlLogix, CompactLogix, GuardLogix)

• EtherNet/IP networks

• Stratix 2000 unmanaged switch series

• All standard Ethernet devices (10/100 Mbps)

Related Products:

• 1783-US5T – 5‑port version for smaller networks

• 1783-US16T – 16‑port version for larger networks

• 1783-US6T2F – 6 copper + 2 fiber port version

• 1783-ETAP – Stratix 2000 managed switch for advanced diagnostics and VLAN support

• 1585J-M8TBJM-1M9 – Ethernet patch cable (accessory)

PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. Allen-Bradley, Stratix, ControlLogix, and CompactLogix are trademarks of Rockwell Automation.