Product Overview

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Zelio™ smart relays
Zelio Logic smart relays are designed for use in small automated systems in both
industrial and commercial applications. Their compact size and ease of setup make
them a competitive alternative to solutions.
Simple programming meets the requirements of automation specialists and the needs of electricians.
Programming can be performed using a PC with Zelio Soft 2 software.
When using a PC, programming can be performed either in ladder language or in function block diagram (FBD)
language. This software is available for Free download at https://www.schneider-electric.com/en/download/
document/ZelioSoft2_V5_1
Other Zelio Smart relays and associated accessories and options are available upon request. Additional
information is available at www.schneider-electric.com/en/product-range/531-smart-relay---zelio-logic-sr2-sr3
Zelio Smart Relays - Not expandable
Catalog Number
Description
SR2A101FU
Compact smart relay Zelio Logic - 10 I O - 100..240 V AC - no clock - display
SR2B121FU
Compact smart relay Zelio Logic - 12 I O - 100..240 V AC - clock - display
SR2B201FU
Compact smart relay Zelio Logic - 20 I O - 100..240 V AC - clock - display
Expandable Zelio Smart Relay
Expandable by adding up to 1 expansion module below
Catalog Number
Description
SR3B101FU
Modular smart relay Zelio Logic - 10 I O - 100..240 V AC - clock - display
SR3B261FU Modular smart relay Zelio Logic - 26 I O - 100..240 V AC - clock - display
Zelio Smart Expansions
Up to 1 can be added to the above modular relays
Catalog Number
Description
SR3XT101FU
Discrete I/O extension module - 10 I O - 100..240 V AC - for Zelio Logic
Cable for PC to Relay program download - 1 needed per customer
Catalog Number
Description
SR2CBL01
SUB-D 9-pin PC connecting cable - for smart relay Zelio Logic - 3 m
NOTE: All Zelio Smart Relays are programmable using the free download software below. Also, you must have S22CBL01
cable for loading the program from the computer into the relay.
www.schneider-electric.com/en/download/document/ZelioSoft2_V5_1
More information:
www.schneider-electric.com/en/product-range-presentation/531-smart-relay---zelio-logic-sr2-sr3/?parent-category-
id=3900&parent-subcategory-id=3920&lter=business-1-industrial-automation-and-control#tabs-top
Complete Catalog:
http://download.schneider-electric.com/les?p_enDocType=Catalog&p_File_Name=DIA3ED2111202EN.pdf&p_Doc_
Ref=DIA3ED2111202EN