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Description
Siemens 6ES72770AA220XA0 Industrial Control SystemRefurbished! Siemens EM 277 PROFIBUS Communication Module for SIMATIC S7 200 System Siemens 6ES7277 0AA22 0XA0 This communication module is designed for use with units from the Simatic S7 200 series. For connection to the PROFIBUS DP as slave or from TD 200 OP TP PG PC S7 300 400. Transmission speed 12 Mbit s. Siemens 6ES7277 0AA22 0XA0 EM 277 Communication Module
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1069 reviews
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Product Reviews
★★★★★ 5
Good price and high quality!
This isolator relay is robust and has a higher amp load rating than the original relay. It was easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Get it
Get it
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Nice unit . Unable to use. But it was built very well
Unable to give it a full rating. But most recoil products are great
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Reviewed in the United States on November 5, 2023
★★★★★ 4
Starter solenoid
Ford starter solenoids are junk. Kept wedling the contacts shut despite new 4 gauge starter wire and 0 gauge grounds.
Swapped the solenoid with ine if these. No problems.
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Reviewed in the United States on June 1, 2025
★★★★★ 5
Battery isolater
Worked great just as planned
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Reviewed in the United States on October 30, 2025
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