Need more information?

Schneider Electric SR2B121BD

Name: compact smart relay, Zelio Logic SR2 SR3, 12 IO, 24V DC, clock, display, 4 relay outputs
Brand: Schneider Electric
SKU: SR2B121BD

compact smart relay, Zelio Logic SR2 SR3, 12 IO, 24V DC, clock, display, 4 relay outputs

1 / 5

Manufacturer catalogue image

Product Description

Lifecycle Status:

This Zelio Logic SR2 compact smart relay / programmable controller uses a supply voltage of 24V direct current. It has 12 inputs / outputs with screw-clamp terminals, has an integrated clock and LCD display. It has compact design, allowing installation on DIN rail. It also offers simple programming, display and diagnosing of malfunctions display and navigation buttons. Its simple ladder programming makes it adapted for non-specialists.

Need more information?

Call us at:+48 17 778 34 19

Compare offers

Payment methods:

Offer details

Offer from:: Trusted supplier — France, member since 2021
Availability:: On requestLead time to be confirmed
Warranty:: Not specified
Condition:: Used

Used - A previously used item with possible signs of cosmetic wear. It is fully operational and functions as intended, though the original packaging may be missing.

The Seller is responsible for shipping the product and invoicing

Specifications

Brand: Schneider Electric
Product Certifications: GL || CSA || UL || GOST || C-tick
Standards: IEC 61000-4-12 || IEC 61000-4-4 level 3 || IEC 61000-4-5 || IEC 61000-4-11 || IEC 61000-4-2 level 3 || IEC 60068-2-6 Fc || IEC 61000-4-6 level 3 || IEC 60068-2-27 Ea || IEC 61000-4-3
Disturbance Radiated/Conducted: class B EN 55022-11 group 1
Ambient Air Temperature For Operation: -20-40 °C in non-ventilated enclosure IEC 60068-2-1 and IEC 60068-2-2 || -20-55 °C IEC 60068-2-1 and IEC 60068-2-2
Immunity To Microbreaks: 1 ms
Environmental Characteristic: EMC directive IEC 61000-6-2 || EMC directive IEC 61000-6-3 || EMC directive IEC 61000-6-4 || EMC directive IEC 61131-2 zone B || low voltage directive IEC 61131-2

Available Offers

(9)

Condition	Availability	Supplier	Warranty
Condition Used	Availability On requestLead time to be confirmed	Supplier FranceTrusted supplier — member since 2021	Warranty Not specified
Condition New Surplus	Availability On requestLead time: 21 days	Supplier RomaniaTrusted supplier — member since 2023, 1–4 employees	Warranty Not specified
Condition New Factory Sealed	Availability 20 pcs. In-Stock Updated at: 13-10-2026	Supplier United StatesTrusted supplier — member since 2023	Warranty 12 months
Condition New Factory Sealed	Availability 3 pcs. In-Stock Updated at: 13-10-2026	Supplier United StatesTrusted supplier — member since 2023	Warranty 12 months
Condition New Factory Sealed	Availability On requestLead time: 15 days	Supplier PolandTrusted supplier — member since 2023, 50–99 employees	Warranty 24 months
Condition Refurbished	Availability 1 pc. In-Stock Updated at: 13-10-2026	Supplier PolandTrusted supplier — member since 2023, 50–99 employees	Warranty 24 months

Offer with manufacturer lead time

Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.

Documents

Data Sheet

Datasheet for Schneider Electric SR2B121BD, including specifications and features.

Download Data Sheet

CAD Models

3D CAD model and technical drawings, ready for your design software.

Download CAD Model

Product data updated: 13-10-2026

Compatible Products

SR2CBL01Schneider Electric

This Zelio Logic Sub-D 9 PC connecting cable allows connection of a Zelio Logic relay to your PC RS232 connector

SR2COM01Schneider Electric

The Zelio Logic SR2COM01 communication interface enables remote machine monitoring and control via modem connectivity.

SR2MEM02Schneider Electric

This Zelio Logic SR2 memory cartridge allows to store data and parameters of your Zelio Logic relay

SR2MOD02Schneider Electric

This GSM modem interface enables GSM connectivity for Zelio Logic relays, facilitating wireless communications via a simple SIM card.

SR3MBU01BDSchneider Electric

This product is part of the Zelio Logic range, an offer of smart relays for simple automation systems from 10 to 40 I/Os

SR3NET01BDSchneider Electric

This product is part of the Zelio Logic range, an offer of smart relays for simple automation systems from 10 to 40 I/Os

TM1STNTCRN52030Schneider Electric

This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCRN52050Schneider Electric

"This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCRN61515Schneider Electric

"This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCRN61530Schneider Electric

NTC 3,0m IP67 6x15

TM1STNTCRN61550Schneider Electric

"This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCSF44015Schneider Electric

"This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCSF44030Schneider Electric

"This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCSN62015Schneider Electric

"This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCSN62050Schneider Electric

This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCTN62015Schneider Electric

This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

TM1STNTCW69755Schneider Electric

"This measurement accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications

Related products

SR2B201FUSchneider Electric

This product is part of the Zelio Logic range, an offer of smart relays for simple automation systems from 10 to 40 I/Os

SR2B121FUSchneider Electric

This Zelio Logic SR2 compact smart relay / programmable controller uses a supply voltage of 100V to 240V alternating current

SR2B122BDSchneider Electric

This compact smart relay features 12 I/O points and operates on a 24V DC supply, equipped with an integrated clock and LCD display.

SR2B201BDSchneider Electric

This Zelio Logic SR2 compact smart relay / programmable controller uses a supply voltage of 24V direct current

SR2B201BSchneider Electric

This product is part of the Zelio Logic range, an offer of smart relays for simple automation systems from 10 to 40 I/Os

SR2B202BDSchneider Electric

A compact smart relay from Schneider Electric with a supply voltage of 24V DC, featuring 20 inputs/outputs and integrated clock and LCD display.

AutomaINSIGHTS analytics dashboard for SR2B121BD

Market insights for SR2B121BD

Get real-time analytics and market data for SR2B121BD and similar products to optimize your purchasing decisions

Real-time stock availability data from 700 MRO distributors in Europe and USA
Price analysis by condition (new, used, refurbished) with market median prices
Critical component availability monitoring to prevent production downtime