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Siemens 6GK7277-1AA50-0AA0 — PLC Communication Modules

6GK7277-1AA50-0AA0 CSM 1277 G2 Unmanaged Switch, 4-Port

MPN6GK7277-1AA50-0AA0
Active

Siemens 6GK7277-1AA50-0AA0 CSM 1277 G2 unmanaged switch, 4-port 10/100 Mbps, 24 V DC, for SIMATIC S7-1200 G2.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6GK7277-1AA50-0AA0 — Specifications
ParameterValue
Group codeR320
Product group2423
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
SeriesCSM 1277 unmanaged
Export control regulationsAL : N / ECCN : N
Compliance with the substance restrictions according to RoHS directiveGiven

Product details

CSM 1277 G2 Unmanaged Switch

The 6GK7277-1AA50-0AA0: This unmanaged switch module mates directly to a SIMATIC S7-1200 G2 controller, adding four 10/100 Mbps RJ45 ports for connecting up to three additional nodes on the same Industrial Ethernet segment. Powered externally at 24 V DC, with LED diagnostics for link and activity status.

Lifecycle status is current and active; part is in standard production.

Frequently asked questions

What is the group code for 6GK7277-1AA50-0AA0?

The group code is R320.

What is the product group number for this part?

The product group is 2423.

MPN
6GK7277-1AA50-0AA0