The Siemens 6ES7972-5AA51-0AB0 is a SIMATIC Power Line Booster PLB — a modem module ST that extends the reach of PROFIBUS communication over existing power cables in an industrial installation. It sits in the Power Supply Systems category, under Power Supplies, and is classified under Electrical and Power Systems.
Siemens 6ES7972-5AA51-0AB0 SIMATIC Power Line Booster PLB, M
MPN6ES7972-5AA51-0AB0
Siemens SIMATIC Power Line Booster PLB, modem module ST, order code 6ES7972-5AA51-0AB0, 0.50 kgs, mature lifecycle.
$419.10Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.50 kgs |
Product details
MPN
6ES7972-5AA51-0AB0