6GK7343-1EX21-0XE0 SCALANCE XC-200 Switch Siemens SIMATIC NET Industrial Ethernet

Siemens SCALANCE X343-1EX21

6GK7343-1EX21 Managed Switch

Industrial Managed Switch 6GK7343

6GK7343-1EX21-0XE0

Siemens SCALANCE X343-1EX21 Managed Switch (6GK7343-1EX21) is an Industrial Managed Switch delivering reliable high-performance networking with advanced management, security, and redundancy for harsh industrial automation environments.

Specification

SEODescription

The Siemens SCALANCE X343-1EX21 (6GK7343-1EX21-0XE0) is a rugged **Industrial Managed Switch** designed for robust network infrastructure in harsh environments. It features **8 RJ45 ports** (10/100/1000 Mbps) and **1 expansion slot** for flexible module integration, supporting direct connectivity with up to 3 additional modules. Equipped with advanced Layer 2 management, it enables **Profinet, Ethernet/IP**, and SNMP protocols, ensuring seamless integration into automation systems. The switch operates within a **24 VDC wide voltage range (12–57 VDC)** and withstands **operating temperatures from -40°C to +70°C**, making it ideal for industries like manufacturing, energy, and transportation. Key strengths include **high redundancy (MRP, RSTP)**, IT security features (SNMPv3, SSH), and ruggedized design. However, its complexity may require specialized configuration expertise, and its premium cost could be a consideration for budget-sensitive projects.

SEOSpecification

Parameter	Specification
Product Model	Siemens SCALANCE X343-1EX21 (6GK7343-1EX21-0XE0)
Device Type	Industrial Managed Switch
Port Configuration	8x 10/100/1000TX RJ45 + 1x 1000FX SFP slot
Switching Capacity	13.6 Gbps
Forwarding Rate	10.1 Mpps
Protocol Support	SNMP, VLAN, QoS, RSTP, MSTP, LLDP
Power Supply	24 VDC (19.2-28.8V)
Operating Temperature	-40°C to +70°C
Certifications	UL 61010-2-201, CE, FCC, IEC 61000-6-2
Mounting	DIN rail or wall mounting
Ingress Protection	IP30
MTBF	1,200,000 hours

SEOQandA

question:Why is the shipping cost so high?
answer:We optimize costs based on speed and reliability. For lower rates, consider sea/air freight for bulk orders.
question:How do you handle shipping?
answer:We support DHL, Fedex, UPS, and others. The best option depends on destination, weight, and urgency.
question:Do you have a professional product selection team?
answer:Yes, our engineers analyze market trends and quality to curate competitive products for global buyers.

SEOQandA_Product

question:Device not connecting to network via ports?
answer:Check physical cables, port LED status, and ensure correct configuration (e.g., VLAN settings) in Step 7/TIA Portal.
question:6GK7343-1EX21-0XE0 not powering on?
answer:Verify 24V DC power supply input, check terminal connections, and replace faulty power cables if necessary.
question:Firmware causing compatibility issues?
answer:Update firmware via Primary Setup Tool (PST) or TIA Portal, ensuring version matches network requirements.
question:Network loops causing broadcast storms?
answer:Enable STP/RSTP in device configuration to prevent loops, and inspect physical topology for redundant connections.
question:Configuration lost after restart?
answer:Save configuration to non-volatile memory via CLI/PST, or restore from backup file stored externally.