-ES/UL Is for the European market, Inputs have S / S terminal , Is the NPN and PNP can be selected.

-001 Is for the China market , Input  haven't S / S terminal ! NPN input usage is the same as -ES/UL.

The quality is 100% guaranteed,1 year warranty.       

Inventory is accurate and up to date.
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Max. number input/output: 128

Type of output: Relay
•  Power supply: 100-240V AC
•  Power consumption: 100VA

Weight (kg):1.8.
Size (WxHxD) mm:350x90x87.