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Siemens · SIMATIC NET / S7-300

6GK7377-1AA00-0AA0

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Siemens 6GK7377-1AA00-0AA0 is a SCALANCE CSM 377 unmanaged Industrial Ethernet switch with four RJ45 ports, 10/100 Mbit/s operation and S7-300 rail mounting.

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QuotationCurrent commercial details

DeliveryDHL · FedEx · UPS

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Siemens 6GK7377-1AA00-0AA0

Technical Specifications

Official Siemens port, power, environmental and mounting data.

01Product IdentityExact Siemens reference

ManufacturerSiemens

Part Number6GK7377-1AA00-0AA0

Product DesignationCSM 377

Network FamilySCALANCE Industrial Ethernet

02Network DataPublished unmanaged-switch values

Electrical Ports4 × RJ45

Transfer Rates10 / 100 Mbit/s

Switch ManagementUnmanaged

Device DesignSIMATIC S7-300

03Power DataOfficial supply ratings

Supply Voltage24 V DC; 19.2–28.8 V

Current Consumption0.07 A maximum

Power Loss1.6 W

Input Fuse0.5 A / 60 V

04Physical & EnvironmentPublished installation data

Dimensions (W × H × D)40 × 125 × 118 mm

Operating Temperature0 to +60 °C

Protection RatingIP20

MountingS7-300 rail

Siemens 6GK7377-1AA00-0AA0 Product Support

Frequently Asked Questions

S7-300 mounting, unmanaged-network application, port planning, 24 V power, commissioning, migration and ordering guidance for CSM 377.

What network role does the CSM 377 perform?

It is an unmanaged 10/100 Mbit/s Industrial Ethernet switch for connecting an S7-300 station and up to three additional network nodes.

How many copper Ethernet connections are available?

The module provides four RJ45 ports. Reserve ports according to the network topology and document each connected device before replacement.

Where can 6GK7377-1AA00-0AA0 be mounted?

The published design is for the SIMATIC S7-300 mounting rail; it is not specified for 35 mm DIN rail or wall mounting.

What power input must be provided to the switch?

Use 24 V DC within 19.2–28.8 V, observe polarity and the documented 0.5 A / 60 V input protection, and verify grounding.

Which indicators should be checked at startup?

Confirm the power indication and the link/activity state of each used RJ45 port, then verify communication from the connected controllers and devices.

What must be considered when replacing an unmanaged switch?

Reproduce port connections and cable routes, verify 10/100 Mbit/s compatibility and topology, and do not introduce managed-switch settings that the original design did not use.

Which details should be sent when ordering a CSM 377?

Provide 6GK7377-1AA00-0AA0, four-port RJ45 requirement, S7-300 rail installation, 24 V DC supply, network topology and quantity.

Order Fulfilment

Payment and Worldwide Delivery

AMIKON coordinates product verification, commercial confirmation, packing and international shipment for industrial automation parts. Each order is handled according to the confirmed model, quantity and delivery destination.

Order Confirmation

Model, part number, quantity, availability, lead time and payment terms are confirmed in the formal quotation or proforma invoice.

Product Preparation

The item reference is checked before dispatch. Packaging is selected to protect industrial components during international transport.

International Shipping

Shipment can be arranged through DHL, FedEx or UPS according to the destination, parcel size and confirmed order requirements.

Dispatch and Tracking

Dispatch information and the available tracking reference are shared after the shipment has been collected by the selected carrier.

AMIKON Service Standards

Support at Every Stage of Your Order

Clear assistance from initial product identification through dispatch and after-sales communication.

Product IdentificationThe manufacturer, complete model and part-number details are reviewed before quotation.

Dedicated Sales ContactLisa Lin provides quotation and order communication through email and WhatsApp.

Order DocumentationCommercial, packing and shipment details are supplied according to the confirmed order.

After-Sales CommunicationFor support, provide the order reference, product label, fault description and clear photos.

Pre-Dispatch VerificationThe product label, model reference, quantity and visible condition are checked against the confirmed order before packing.

Global Logistics CoordinationInternational express or freight arrangements are coordinated according to the destination, shipment size and confirmed delivery terms.

Important delivery information

Product availability, dispatch date, freight cost and delivery time depend on the confirmed order and destination. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order. Please contact AMIKON for current commercial and shipping details.

AMIKON Professional Services

Warranty, Sourcing and Global Export Support

With 20 years of experience in industrial automation, AMIKON supplies discontinued and hard-to-find DCS, PLC and TSI spare parts to customers worldwide.

01 · WARRANTY

12-Month Product Warranty

Products supplied by AMIKON include a standard 12-month warranty. Warranty handling is based on the confirmed order, product label, fault information and supporting photos or videos.

02 · SPECIALIST SOURCING

Discontinued and Hard-to-Find Parts

Our sourcing service focuses on industrial automation DCS, PLC and TSI spare parts, including obsolete, discontinued and scarce models required for maintenance and replacement projects.

03 · GLOBAL EXPORT LOGISTICS

One-Stop International Shipping

AMIKON can coordinate domestic export customs procedures and arrange international express or sea freight. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order.

04 · TECHNICAL INFORMATION

Model and Specification Support

We assist customers with model identification, specification review, compatibility checks and Datasheet or manual searches. Support also includes distinguishing earlier and later model versions and checking whether a submitted model reference is complete and correctly written.

05 · PRE-DISPATCH CHECK

Product Verification Before Shipment

The product label, complete model, part number, quantity and visible condition are reviewed against the confirmed order before packing.

06 · INDUSTRIAL PACKAGING

Secure Packing for International Transit

Packaging is selected according to the component type, shipment size and transport method to support safe international handling.

07 · ORDER DOCUMENTATION

Commercial and Shipping Documents

Commercial invoices, packing lists and available origin information can be prepared according to the confirmed order and destination requirements.

08 · AFTER-SALES SUPPORT

Responsive Order Follow-Up

For order support, customers can provide the order reference, product label, issue description and clear photos for review by the AMIKON team.

Need help identifying a spare part?Send the complete manufacturer, model, part number and clear product-label photos to Lisa Lin.

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Siemens 6GK7377-1AA00-0AA0 SCALANCE CSM 377 Unmanaged Ethernet Switch

6GK7377-1AA00-0AA0

20 Years of Experience in Industrial Automation Supply

6GK7377-1AA00-0AA0

Technical Specifications

Frequently Asked Questions

What network role does the CSM 377 perform?

How many copper Ethernet connections are available?

Where can 6GK7377-1AA00-0AA0 be mounted?

What power input must be provided to the switch?

Which indicators should be checked at startup?

What must be considered when replacing an unmanaged switch?

Which details should be sent when ordering a CSM 377?

Payment and Worldwide Delivery

Order Confirmation

Product Preparation

International Shipping

Dispatch and Tracking

Support at Every Stage of Your Order

Warranty, Sourcing and Global Export Support

12-Month Product Warranty

Discontinued and Hard-to-Find Parts

One-Stop International Shipping

Model and Specification Support

Product Verification Before Shipment

Secure Packing for International Transit

Commercial and Shipping Documents

Responsive Order Follow-Up

Recommended Industrial Models

Related Products