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USB Isolator 3000 Vrms Rugged Metal Chassis


Quick Overview

USB Isolator 3000 Vrms with rugged metal chassis. The rugged, industrial-grade full / low speed USB isolator provides high-voltage 3 kV isolation to protect the host computer and expensive USB equipment connected.

Availability: In stock



The 3000 Vrms USB Isolator is a rugged, industrial-grade full / low speed USB isolator that provides high-voltage 3 kV isolation to protect the host computer and expensive USB equipment connected.

This Industrial USB Isolator is designed to build protective isolation barriers to the power and USB signals between a host computer and any connected USB devices. Both the computer and the connected USB device are protected from power surges, EMI/RFI interference's, and transient voltage spikes that may cause damage. The isolator is very efficient and secured to eliminate ground loop currents and protect against over-voltage.

The USB Isolator can be configured for data transfer rate to either USB 2.0 full speed 12 Mbps or low speed 1.5 Mbps. The isolator is bus-powered and provides up to 420 mA current to downstream devices. There is no need for any driver or software installation. Just plug the cable from the USB isolator to the host USB port of the PC, and connect the USB device to the downstream port of the isolator, the host PC and USB device are immediately protected by isolation to prevent from harmful voltage, ESD shock and noise.

The USB Isolator helps improve the system stability and protect the valuable industrial and medical equipment. When the USB host and USB devices operate at different ground voltages, This device is an ideal protector to prevent destructive damage.

Additional Features & Specifications:

  • Isolates and protects any USB devices from a USB Host
  • Electrical isolation up to 3000 Vrms upstream to downstream USB port
  • Common mode filtering on all data lines
  • 5V isolated pass-thru power up to 420 mA to downstream device
  • Support USB 2.0 full speed 12 Mbps by default setting
  • USB1.1 low speed 1.5 Mbps data rate selectable by jumpers
  • High speed USB devices works in full speed mode
  • No software or drivers installation required
  • Short circuit protection
  • LED for power indication.
  • Wide ambient temperature operation -40 to 70°C (-40 to 158°F)
  • USB bus-powered
  • Packed in rugged metal case with USB cable securely locked to the case
  • Metal case with DIN rail brackets
  • Dimensions : 73 mm X 52 mm X 25 mm (L x W x H) 73 mm X 75 mm X 25 mm (L x W x H) with DIN rail bracket
  • CE, FCC approval
  • RoHS and RoHS2 compliant

USB port pin-out

  • Pin Number Name Description
  • Pin1 VBUS Provides +5 VDC 420 mA (max) output power
  • Pin2 D- USB data-
  • Pin3 D+ USB data+
  • Pin4 GND Ground


  • Compliance USB 1.0/1.1 compliant, USB 2.0 compatible
  • Speed 1.5 Mbps, Low speed data rate 12 Mbps, Full speed data rate

USB interface & protection

  • Upstream USB A-type male connector with 3 ft USB cable
  • Downstream USB A-type female connector with screw holes for lock the USB cable
  • ESD Protection 15KV for Upstream and Downstream USB port
  • Isolates and protect Electrical isolation up to 3000Vrms
  • Short protect With short circuit protection

Power Supply

  • Input Bus-powered
  • No external power adapter required
  • Output 5VDC 420 mA (max) through USB downstream port pin1

Maximum Rating of USB Isolator

  • Downstream Port Load Load < 420 mA
  • Downstream Port Output Voltage 4.85 VDC ~ 5.15 VDC

Driver Support: OS No software or drivers required


  • Chassis SECC metal chassis with DIN rail bracket
  • Dimensions 73mm X 52 mm X 25mm (L x W x H) 73mm X 75 mm X 25mm (L x W x H) with ears
  • Weight 190g


  • Operating Temperature -40°C ~ 70°C (-40°F to 158°F)
  • Operating Humidity 5 to 95% RH
  • Storage Temperature -40°C ~ 85°C (-40°F to 185°F)
  • Safety Approvals EN55022 Class B

Additional Information

UPC 729440692216
Manufacturer Coolgear
Length No
Color Black
OS Support No

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