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SCHNEIDER Zelio Series Smart Relay SR2B121FU - Schneider Zelio Series Smart Relays
SCHNEIDERSchneider Zelio Series Smart Relays

SCHNEIDER Zelio Series Smart Relay SR2B121FU

The SCHNEIDER ELECTRIC Compact Smart Relay (MPN SR2B121FU) is a Schneider Zelio Series smart relay with (8) discrete inputs and (4) relay outputs, operating on 100 to 240V AC. It includes a built-in clock for…

SKU 3G-OTH-29018

Brand
SCHNEIDER
Item
Zelio Series Smart Relay SR2B121FU
Category
Schneider Zelio Series Smart Relays
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SCHNEIDER
Manufacturer Part Number
SR2B121FU
Clock Included
Clock Included
Number and Type of Inputs
(8) Discrete
Number and Type of Outputs
(4) Relay

Technical Documents

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

Product Description

The SCHNEIDER ELECTRIC Compact Smart Relay (MPN SR2B121FU) is a Schneider Zelio Series smart relay with (8) discrete inputs and (4) relay outputs, operating on 100 to 240V AC. It includes a built-in clock for time-based control functions.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC Compact Smart Relay SR2B121FU used for?

The SCHNEIDER ELECTRIC Compact Smart Relay SR2B121FU is used for automating small to medium control systems in industrial and commercial applications. It handles discrete inputs and relay outputs for tasks like motor control, lighting, and HVAC sequencing, with a built-in clock for time-based logic.

What are the specifications of the SCHNEIDER ELECTRIC SR2B121FU smart relay?

The SCHNEIDER ELECTRIC SR2B121FU is a Zelio Series smart relay with 8 discrete inputs and 4 relay outputs, operating on 100 to 240V AC. It includes a built-in clock for scheduling and time-delay functions. This compact unit is designed for panel mounting in control cabinets.

Where to buy the SCHNEIDER ELECTRIC SR2B121FU smart relay worldwide?

3G Electric supplies the SCHNEIDER ELECTRIC SR2B121FU smart relay worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Zelio Series unit.

How to install the SCHNEIDER ELECTRIC SR2B121FU smart relay?

Mount the SCHNEIDER ELECTRIC SR2B121FU on a DIN rail in a clean, dry enclosure. Wire the 100 to 240V AC power supply, connect discrete inputs from sensors or switches, and wire relay outputs to loads. Use the Zelio Soft software to program logic and clock functions. Follow local electrical codes.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
The SCHNEIDER Zelio Series Smart Relay SR2E121FU features 8 discrete inputs and 4 relay outputs, operating on 100 to 240V AC. It includes a built-in clock for time-based control functions, suitable for automating small to medium control systems such as conveyor sequencing, lighting control, and pump management
SCHNEIDER
The SCHNEIDER Zelio Series Smart Relay SR2E121FU features 8 discrete inputs and 4 relay outputs, operating on 100 to 240V AC. It includes a built-in clock for time-based control functions, suitable for automating small to medium control systems such as conveyor sequencing, lighting control, and pump management
SCHNEIDER ELECTRIC Compact Smart Relay: (8) Discrete, (4) Relay, 24V AC (MPN SR2B121B)
SCHNEIDER
SCHNEIDER ELECTRIC Compact Smart Relay: (8) Discrete, (4) Relay, 24V AC (MPN SR2B121B)
The SCHNEIDER Zelio Series smart relay SR2E201FU provides logic control with 12 discrete inputs and 8 relay outputs. It operates on 100 to 240V AC and includes an integrated clock for time-based scheduling. Typical applications include automation of lighting, HVAC, and small machine sequencing in industrial and building control systems
SCHNEIDER
The SCHNEIDER Zelio Series smart relay SR2E201FU provides logic control with 12 discrete inputs and 8 relay outputs. It operates on 100 to 240V AC and includes an integrated clock for time-based scheduling. Typical applications include automation of lighting, HVAC, and small machine sequencing in industrial and building control systems
This smart relay from the Schneider Zelio Series provides logic control for small to medium automation tasks. It features 12 discrete inputs and 8 relay outputs, operating on 100 to 240V AC. The unit does not include a clock. Typical applications include conveyors, packaging machines, and HVAC equipment
SCHNEIDER
This smart relay from the Schneider Zelio Series provides logic control for small to medium automation tasks. It features 12 discrete inputs and 8 relay outputs, operating on 100 to 240V AC. The unit does not include a clock. Typical applications include conveyors, packaging machines, and HVAC equipment
SCHNEIDER ELECTRIC Compact Smart Relay: (6) Discrete, (4) Relay, 100 to 240V AC (MPN SR2D101FU)
SCHNEIDER
SCHNEIDER ELECTRIC Compact Smart Relay: (6) Discrete, (4) Relay, 100 to 240V AC (MPN SR2D101FU)
SCHNEIDER ELECTRIC Compact Smart Relay: (4) Analog/(8) Discrete, (4) Transistor, 24V AC : 24V DC (MPN SR2B122BD)
SCHNEIDER
SCHNEIDER ELECTRIC Compact Smart Relay: (4) Analog/(8) Discrete, (4) Transistor, 24V AC : 24V DC (MPN SR2B122BD)

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The SCHNEIDER Zelio Series Smart Relay SR2B201B features 12 discrete inputs and 8 relay outputs. It includes a built-in clock for time-based control. This smart relay is used for automating small to medium control systems in industrial and building applications, such as lighting control, HVAC sequencing, and conveyor logic
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The SCHNEIDER Zelio Series Smart Relay SR2B201B features 12 discrete inputs and 8 relay outputs. It includes a built-in clock for time-based control. This smart relay is used for automating small to medium control systems in industrial and building applications, such as lighting control, HVAC sequencing, and conveyor logic
This smart relay from the Schneider Zelio Series provides logic control for small to medium automation tasks. It features 6 discrete inputs and 4 relay outputs, operating on 100 to 240V AC. The unit does not include a clock. Typical applications include control of conveyors, packaging machines, and HVAC equipment
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This smart relay from the Schneider Zelio Series provides logic control for small to medium automation tasks. It features 6 discrete inputs and 4 relay outputs, operating on 100 to 240V AC. The unit does not include a clock. Typical applications include control of conveyors, packaging machines, and HVAC equipment
This smart relay from the Schneider Zelio Series provides 12 resistive inputs and 8 relay outputs for logic control in automation systems. It operates on 24V AC or 24V DC power and does not include a clock. Suitable for small to medium control tasks such as machinery sequencing, conveyor control, and building management
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This smart relay from the Schneider Zelio Series provides 12 resistive inputs and 8 relay outputs for logic control in automation systems. It operates on 24V AC or 24V DC power and does not include a clock. Suitable for small to medium control tasks such as machinery sequencing, conveyor control, and building management
This compact smart relay from the Schneider Zelio Series features 12 discrete inputs and 8 relay outputs, operating on 100 to 240V AC. It includes a built-in clock for timing functions. Typical applications include automation of small machines, lighting control, and HVAC systems requiring programmable logic and on/off commands
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This compact smart relay from the Schneider Zelio Series features 12 discrete inputs and 8 relay outputs, operating on 100 to 240V AC. It includes a built-in clock for timing functions. Typical applications include automation of small machines, lighting control, and HVAC systems requiring programmable logic and on/off commands
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