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

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

The SCHNEIDER ELECTRIC Compact Smart Relay (SKU 2GNJ3) is a Zelio Series smart relay from Schneider. It features (8) Discrete inputs and (4) Relay outputs, operates on 24V AC, and includes a clock. The manufacturer…

SKU 3G-OTH-29029

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

SCHNEIDER
Manufacturer Part Number
SR2B121B
Clock Included
Clock Included
Number and Type of Inputs
(8) Discrete
Number and Type of Outputs
(4) Relay
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SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER ELECTRIC Compact Smart Relay (SKU 2GNJ3) is a Zelio Series smart relay from Schneider. It features (8) Discrete inputs and (4) Relay outputs, operates on 24V AC, and includes a clock. The manufacturer part number is SR2B121B.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B used for?

The SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B is used for automating small to medium control systems in industrial and building applications. It handles logic, timing, and counting tasks, replacing multiple discrete components in machinery, HVAC, and lighting controls.

What are the specifications of the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B?

The SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B features (8) Discrete inputs and (4) Relay outputs, operates on 24V AC, and includes a clock. It is part of the Zelio Series and has manufacturer part number SR2B121B.

Where to buy the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B worldwide?

3G Electric supplies the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Zelio Series smart relay to your facility, wherever it is located.

How to install the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B?

Install the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121B on a DIN rail in a control panel. Connect 24V AC power to the supply terminals, wire discrete inputs from sensors or switches, and connect relay outputs to loads. Follow Schneider's manual for programming via the integrated keypad.

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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