CK1240/1241/1242/1241A/1242A Series

6-port Full Gigabit Unmanaged Industrial Ethernet Switch

Support 4 Gigabit copper ports and 0~2 Gigabit fiber ports (SFP slots)
Full Gigabit bandwidth can enable high performance and speed
High strength metal shell with IP40 protection
Support wide range voltage 12~48V DC and over-current protection function
85~265V AC power input optional
EMC industrial level 4 supported
Wide range voltage redundant dual inputs
DIN-Rail Mounting and Wall Mounting supported
Support -40~85°C wide operating temperature range
Overview Specifications Models Resources

Overview of 6-port Full Gigabit Unmanaged Industrial Ethernet Switch

This series are compact type of unmanaged industrial Ethernet switches. This series of switches provide 4 10/100/1000Base-T(X) ports and 0~2 1000Base-X optical port. Support Auto-Negotiation and LED indicates.
This series adopt DIN-Rail mounting to meet the requirements of different application scenes. The hardware adopts fanless, low power consumption and wide temperature and voltage design, which has passed rigorous industrial standard tests, and suits for the industrial scene environment with harsh requirements for EMC. It can be widely used in smart grid, railway transportation, smart city, safe city, new energy, intelligent manufacturing and other industrial fields.


Specifications of 6-port Full Gigabit Unmanaged Industrial Ethernet Switch


Support for IEEE802.3/802.3u/802.3ab/802.3z
Store-and-forward switching

4 10/100/1000Base-T(X) RJ45 ports

Support Auto-Negotiation speed (10M/100M )
Auto Full Duplex/ Half Duplex mode, Auto MDI/MDI-X connection

0~2 1000M SFP ports (1000Base-X, 1000Base-T optional)

Standard & Protocol

IEEE 802.3 for 10Base-T
IEEE 802.3u for 100Base-TX and 100Base-FX
IEEE 802.3ab、IEEE 802.3z

Switching Characteristic

10M Frame Forward Rate:14881pps

100M Frame Forward Rate:148810pps

1000M Frame Forward Rate:1488096pps

Forward Mode:store-and-forward

Switching Bandwidth: 12Gbps

Cache Size:1Mbits

MAC Address Table:1K

Power Supply

Input: Wide DC power input 12~48VDC (12V/24V/48V typical)
Interface form: 7.62mm pitch terminal blocks

No-load Consumption:< 0.48W (@24VDC)

Full-load Consumption:< 4.8W (@24VDC)

Physical Characteristic

Dimensions(W×H×D): 40mm×128mm×102mm

Weight: 300g

Housing: Metal, IP40 protection

Installation: Wall mounting or DIN rail mounting

Environment Limits

Work Temp:-40℃~75℃

Storage Temp:-40℃~85℃

Relative Humidity:5%~95%(non-condensing)

Industrial Standard

IEC61000-4-2 (ESD): Power ±2KV Contact, ±15KV Air
IEC61000-4-4 (EFT):Power ±4KV, Data Cable ±4KV
IEC61000-4-5 (Surge):Power ±2KV CM/ ±1KV DM, Relay±2KV CM/ ±1KV DM
IEC60068-2-27 (Shock)IEC60068-2-32 (Free Fall)
IEC61000-6-2 (General Industrial Standard)


5 years


Available Models

Gigabit Copper Port

Gigabit SFP Slot 

Power Supply Range





12-48V DC










85-265V AC









  CK7220M Series Datasheet