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SCHNEIDER Compact Smart Relay: (4) Analog/(8) Discrete, (4) Relay - Schneider Zelio Series Smart Relays
SCHNEIDERSchneider Zelio Series Smart Relays

SCHNEIDER Compact Smart Relay: (4) Analog/(8) Discrete, (4) Relay

The SCHNEIDER ELECTRIC Compact Smart Relay (MPN SR2B121BD) is a Zelio Series smart relay from Schneider featuring (4) Analog inputs and (4) Relay outputs. It includes a built-in clock and operates on 24V AC or 24V DC…

SKU 3G-OTH-28986

Brand
SCHNEIDER
Item
Compact Smart Relay:
Category
Schneider Zelio Series Smart Relays
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
SR2B121BD
Type
(4) Relay, 24V AC : 24V DC
Clock Included
Clock Included
Number and Type of Inputs
(4) Analog
Number and Type of Outputs
(4) Relay
View Full Spec Sheet

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SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER ELECTRIC Compact Smart Relay (MPN SR2B121BD) is a Zelio Series smart relay from Schneider featuring (4) Analog inputs and (4) Relay outputs. It includes a built-in clock and operates on 24V AC or 24V DC power. This compact unit provides (8) discrete inputs and (4) relay outputs for basic control applications.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121BD used for?

The SCHNEIDER ELECTRIC Compact Smart Relay SR2B121BD is used for basic industrial control applications such as lighting, HVAC, and small machine automation. It provides (4) analog inputs and (4) relay outputs with a built-in clock for time-based logic, operating on 24V AC or 24V DC power.

What are the specifications of the SCHNEIDER Zelio SR2B121BD smart relay?

The SCHNEIDER Zelio SR2B121BD smart relay features (4) analog inputs, (8) discrete inputs, and (4) relay outputs. It includes a built-in clock and operates on 24V AC or 24V DC power. This compact unit is part of the Schneider Zelio Series and is designed for simple control logic.

Where to buy the SCHNEIDER SR2B121BD smart relay worldwide?

You can source the SCHNEIDER SR2B121BD smart relay worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Zelio Series smart relay.

How to install the SCHNEIDER Zelio SR2B121BD smart relay?

To install the SCHNEIDER Zelio SR2B121BD smart relay, mount it on a DIN rail in a control panel. Connect 24V AC or 24V DC power to the supply terminals, wire analog and discrete inputs per your sensor specifications, and connect relay outputs to your load. Follow Schneider's generic wiring guidelines for safe operation.

Used in

Common applications for SCHNEIDER
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER schneider zelio series smart relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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