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Siemens 6GK5646-2GS00-2AC2 SCALANCE SC646-2C Security Appliance

Siemens 6GK5646-2GS00-2AC2 SCALANCE SC646-2C Security Appliance

Product Name: SCALANCE SC646-2C Industrial Security Appliance

Brand Name: Siemens

Model Number: 6GK5646-2GS00-2AC2

Place of Origin: Germany

Warranty: 12 Months

Whatsapp: +86 18020776782

Email: [email protected]

Appurtenance:

siemens 6gk5646 2gs00 2ac2 scalance sc646 2c security appliance-1

Overview
Description
Security Setup
Specifications
Contact info
Commercial Term
About Company
FAQ
Other Products
Recommended Products

Firewall, VPN and Segmentation for Industrial Networks

Siemens 6GK5646-2GS00-2AC2 is a SCALANCE SC646-2C industrial security appliance for firewall, VPN and network-address translation tasks.

Selection checkpoint: Confirm the firmware, security policy, NAT rules, VPN configuration, SINEMA RC use, port media and approved backup before replacing or commissioning the appliance.

Description

6GK5646-2GS00-2AC2 protects industrial devices and networks with firewall and VPN functions, address translation and optional SINEMA Remote Connect integration. It provides four electrical Gigabit RJ45 ports and two combo ports that can use electrical or supported SFP media.

Because the appliance enforces network security policy, service work must preserve the approved configuration and credentials without copying unknown rules from another site. Restore the documented zones, NAT/VPN settings and management access in a controlled offline commissioning process.

Security Setup

01	Industrial firewall Enforce approved communication rules between machine network zones.

02	VPN connectivity Protect documented remote or site-to-site communication paths.

03	Address translation Apply approved NAT or NAPT rules for segmented networks.

04	Flexible media Use four RJ45 ports and two electrical or optical combo ports.

Specifications

Technical parameter	Value
Product type designation	SCALANCE SC646-2C
Article number	6GK5646-2GS00-2AC2
Device class	Industrial Security Appliance
Security functions	Firewall and VPN
Address functions	NAT / NAPT
Remote-connect support	SINEMA Remote Connect
Fixed electrical ports	4 x 10/100/1000 Mbit/s RJ45
Combo ports	2 x RJ45 or supported 100/1000 Mbit/s SFP
Rated supply	24 V DC
Operating temperature	-40 to +70 degrees C
Degree of protection	IP20
Manufacturer	Siemens

Contact info

CONTACT

Jim Pei

[email protected]

+86 180 2077 6782

Commercial Term

Quotation	Payment	Lead time	Shipping	Warranty
Contact us for current price and availability	T/T or agreed terms	Confirmed with the quotation	DHL, FedEx, UPS or agreed freight	12 months

About Company

SupplyPLCs supports exact-model review, product-condition confirmation and responsive industrial automation sourcing.

Share the complete order number, installed-system context and destination. Our team will coordinate availability, shipment options and available official product documentation.

FAQ

How can I verify that 6GK5646-2GS00-2AC2 matches the security appliance already deployed in my network?

Compare the full order number, firmware, port-media use, security zones and installed C-PLUG or backup method. Review the approved firewall, NAT and VPN design before treating another SCALANCE S device as equivalent.

What should I back up before replacing 6GK5646-2GS00-2AC2?

Export the approved configuration through the documented Siemens procedure and record firmware, management addressing, firewall rules, NAT entries, VPN peers, certificates and SINEMA RC settings. Store the backup according to the site security policy.

Why can production traffic stop after 6GK5646-2GS00-2AC2 is installed even though all Ethernet links are up?

A physical link does not prove that firewall, routing, NAT or VPN policy matches the site. Compare the active rule set and zone assignments with the approved backup, then test one required communication flow at a time.

How should I investigate a VPN tunnel that will not establish through 6GK5646-2GS00-2AC2?

Check peer reachability, time, certificates or keys, tunnel parameters and upstream address translation against the documented design. Use event logs to isolate negotiation from routing or firewall issues without weakening unrelated security rules.

What should I check before fitting an SFP in a combo port of 6GK5646-2GS00-2AC2?

Confirm that the selected Siemens-supported SFP, speed, fiber type and partner interface match the documented combo-port capability. Record whether the electrical or optical side is intended and test the link before enabling production traffic.

Q6	Which security records should accompany an RFQ for 6GK5646-2GS00-2AC2? Provide the complete order number, firmware, port-media map, C-PLUG or backup status, VPN count and whether SINEMA RC is used. Do not include private keys or passwords in an ordinary quotation request.

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