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Industrial RS485 Surge Suppressor

Model ISO-485-P

Category: Opto-Isolated Converters and Surge Suppressors

DESCRIPTION

The ISO-485-P is an industrial-grade (wide temperature range) bi-directional passive RS485 surge suppressor. It can protect any standard half duplex RS485 port from voltage peaks and spikes caused by lightning and other power surges. The ISO-485-P protects the 2 lines: 485+ and 485- The unit is passive, therefore, no external power or flow control is required. The ISO-485-P has a 3-wire terminal block on one RS485 side and a 2-wire terminal block on the other RS485 side.

The ISO-485-P provides three stages of protection for maximum safety. The first stage is a gas discharge tube. The second stage is a series of protection resistors. The third stage is 600W Transient Voltage Suppressor (TVS). All three stages of protection are provided for each of the RS485 lines. When the ISO-485-P is placed close to the RS485 device it is protecting, it will suppress any voltage levels above 6.8 volts without affecting the normal operation of the data transmission. When installing the ISO-485-P it is very important that the ground screw is connected to earth ground with a minimum of 12 AWG copper wire.

FEATURES

  • Three Stage Protection of Both Lines of the RS-485 Port
  • Passive: No Need for External Power
  • Plug-and-Play (Hot-pluggable)
  • Terminal Connections for Easy Installation
  • Clamping Voltage at 6.8 Volts
  • 600W of Surge Protection from Electrical Surges and Lightning Strikes
  • MTBF(Mean Time Before Failure): 309,122 Hours
  • 5 Year Manufacturer's Warranty
  • RoHS 3, CE, FCC and REACH Certified
  • Surface Mount RoHS Compliant Technology

PRODUCT COMPLIANCES

  • ROHS
  • FCC
  • CE
  • REACH
RS485 Surge Suppressor
RS485 Surge Suppressor
PRICE: $26.95

IN STOCK

30 Day Money Back Guarantee!

5 Year Replacement Warranty!

ISO 9001:2015 QUALITY MANAGEMENT

ISO-9001:2015

Our internationally recognized ISO 9001:2015 Quality Management System (Cert. No. 743003912) with a scope of “Design, Sales, Distribution of Data Communication and IT Support Services“ was recognized and certified by TÜV Rheinland of North America known for its very demanding and stringent requirements. For more details see our Quality Policy.

COMMUNICATION
STANDARDS: 2-wire RS-485 Standard
BAUD RATES: From 300 baud To 1 mbps
CONNECTOR TYPES: RS-485 Side: 3-wire Terminal Block and Other RS-485 Side: 2-wire Terminal Block
DISTANCE: RS-232 Side: 16 ft (5m) and RS-422 Side: up to 4000 ft (1.2km)
ELECTRICAL
POWER SOURCE: Passive Device: No Power Needed
WORKING VOLTAGE: 0 Volts to 5 Volts
VOLTAGE CLAMP: 6.8V
INSERT CONSUMPTION: <0.5 db
Delay Time: < 1ns
MECHANICAL
HOUSING: Heavy Duty Steel Casing
WEIGHT: 0.35oz (10 grams)
DIMENSIONS: 3.15 X 1.02 X 1.02 in (80.0 X 25.8 X 25.8 mm)
ENVIRONMENTAL
OPERATING TEMP.: -40ºF to 185ºF (-40ºC to 85ºC)
STORAGE TEMP.: -40ºF to 185ºF (-40ºC to 85ºC)
OPERATING HUMIDITY: 5% To 95% - No Condensation
QUALITY
PRODUCT SAFETY: CE, FCC and RoHS Conformance Certified
QUALITY MANAGEMENT: Manufactured and Distributed to ISO 9001:2015 QMS
MEAN TIME BEFORE FAILURE: 309,122 Hours
RELIABILITY: Low Failure Rate - 99+% Reliability Since Inception
WARRANTY: 5 Year Replacement Warranty

RS485 Input Side 3-Pin Terminal Block

Signal A+ B- GND
Pin # A B G
Function A+ B- GND

RS485 Output Side 2-Pin Terminal Block

Signal A+ B-
Pin # A B
Function A+ B-

RS485 SURGE ARRESTOR FUNCTIONAL DIAGRAM

FIGURE 1: 600W RS485 SURGE PROTECTOR FUNCTIONAL DIAGRAM

Connect ISO-48P-P to a working RS-485 connection. If there is continuity in the data stream then it is working.

Download FREE FULL VERSION AccessPort Advanced Serial Monitor, Simulation and Data Analysis Software Tool. This software tool is great for testing converters. Supports Windows 98/XP/VISTA/WIN 7/WIN 8/WIN 10.   DOWNLOAD SOFTWARE AND USER MANUAL

Below are some of the RS485 isolator applications.

FIGURE 1: 600W RS485 SURGE PROTECTION APPLICATION DIAGRAM

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