RS-485 Passive Surge Protector w/ 600W TVS & 3-Stage Surge Protection

RS-485 Passive Surge Protector w/ 600W TVS & 3-Stage Surge Protection - Image 2

RS-485 Passive Surge Protector w/ 600W TVS & 3-Stage Surge Protection - Image 3

RS-485 Passive Surge Protector w/ 600W TVS & 3-Stage Surge Protection

Name: RS-485 Passive Surge Protector w/ 600W TVS & 3-Stage Surge Protection
Brand: CoolGear
SKU: CG-RS485-ISO
Availability: Not in stock - Backorder allowed

Model No. CG-RS485-ISO

Protect your RS485 communication lines from voltage surges, transients, and lightning strikes with the RS485-ISO Surge Protector Isolator. Featuring a robust three-stage protection system—including gas discharge tubes, protection resistors, and transient voltage suppressors—this industrial-grade device ensures stable and safe operation in demanding environments.

$29.99

Model No. CG-RS485-ISO

Expected Availability Date: October 10, 2025

Not in stock - Backorder allowed

Product Documents

CG-RS485-ISO - Technical Data Sheet

Description

RS485-ISO Surge Protector Isolator

Ensure the safety and reliability of your RS485 communication lines with the RS485-ISO Surge Protector Isolator. Designed to shield against voltage spikes and transient surges caused by lightning strikes and electrical interference, this device is an essential safeguard for stable and uninterrupted equipment operation.

Key Features and Benefits

Three-Stage Protection Design: Employs a gas discharge tube, series protection resistors, and a 600W transient voltage suppressor (TVS) for comprehensive surge protection.
Robust Industrial-Grade Design: With rugged, passive circuitry, it supports a wide operating temperature range of -40°F to 185°F (-40°C to 85°C), making it ideal for demanding environments.
Effective Surge Diversion: Protects RS485 devices from excess voltage damage, ensuring stable operation.
Common Mode & Differential Mode Protection: Shields against both common and differential surges affecting RS485 communication.
High Surge Resistance: With DC spark-over voltage rated at 150V and protection against up to 600W surges.
Certified Safety Standards: Meets IEC 61000-4-2 ESD standards with ±30kV contact and air discharge, and IEC 61000-4-4 EFT standards with 50A.
User-Friendly Connection: Equipped with 3-pin terminal blocks for data lines and GND wire, along with a dedicated ground cable for secure installation.
Flexible Mounting Options: Compatible with DIN-Rail mounting using an optional clip for versatile deployment.

Package Contents

RS485-ISO Surge Protector Isolator
User Manual
Optional DIN-Rail Mounting Clip

Use Cases

Use Cases:

Industrial Automation

PLC Communication Protection: Safeguard programmable logic controller communication lines in factory environments.
Robotics System Stability: Ensure reliable operation of robotic systems with RS485 surge protection.

Data Centers & Networking

Server Protection: Prevent damage to server RS485 communication lines from voltage transients.
Building Management Systems: Enhance the reliability of RS485-based building automation networks.

Outdoor Applications

Lightning Protection: Shield RS485 lines exposed to environmental hazards like lightning strikes.
Remote Monitoring Systems: Maintain stable communication in remote systems for monitoring and control.

Function Diagram

Specifications

Product Specifications

Power

Power Source

Passive Device, No Power Required

Compliance

Certifications

RoHS, TAA

Physical Characteristics

Item Dimensions (L × W × H)	2.95 × 0.98 × 0.98 in.
Item Weight	0.15 lbs.

Environmental

Operating Temperature	-40°C to 85°C (-40°F to 185°F)
Humidity	5% ~ 95% (non-condensing)

Performance & Safety

Max Data Transfer Rate

10Mbps

Other Data

UPC	045079164932
TVS Parameters	ESD, IEC 61000-4-2, ±30kV contact, ±30kV air EFT, IEC 61000-4-4, 50A (5/50ns) Lightning, IEC 61000-4-5 2nd edition, 19A (tP=8/20μs)
Weight	0.1625 lbs
Dimensions	4 × 1.63 × 1.63 in