Schneider Electric 140CRA21110 Product Overview

The 140CRA21110 is a modular relay from Schneider Electric’s Modicon Quantum series. It is designed for industrial automation and control applications, offering high reliability and flexibility. This product is part of Schneider’s extensive range of automation components, known for their durability and performance in harsh environments.

Product Advantages

1. High Reliability – Built with robust materials to ensure long-term operation in industrial settings.

2. Modular Design – Allows for easy integration and expansion within control systems.

3. Wide Compatibility – Works seamlessly with other Modicon Quantum components.

4. Easy Maintenance – Hot-swappable design reduces downtime during replacements.

5. Industrial-Grade Protection – Resistant to vibrations, shocks, and electromagnetic interference.

Technical Specifications

Applications

The 140CRA21110 is widely used in:

• Industrial Automation – Machine control, conveyor systems.

• Power Distribution – Relay-based switching in electrical panels.

• Process Control – Monitoring and controlling manufacturing processes.

• Building Automation – HVAC and lighting control systems.

Compatible & Recommended Models

This product is often used alongside:

• 140CPU65150 (Modicon Quantum CPU)

• 140CPS11100 (Power Supply Module)

• 140DDI35300 (Digital Input Module)

• 140DAO85300 (Analog Output Module)

• 140NOE77101 (Ethernet Communication Module)

Installation Instructions

1. Mounting – Secure the relay on a DIN rail within the control cabinet.

2. Wiring – Connect input/output terminals as per the wiring diagram.

3. Power Connection – Ensure correct voltage (24V DC or 120-240V AC).

4. Testing – Verify operation by simulating control signals.

5. Maintenance – Periodically check for loose connections or wear.

Recommended Similar Models (Same Series)

Popular Schneider Electric Models (Other Series)

Frequently Asked Questions (FAQ)

Q1: What is the maximum switching current for the 140CRA21110?
A1: The relay can handle up to 5A @ 250V AC or 5A @ 30V DC.

Q2: Is this relay compatible with Modicon M340 systems?
A2: No, it is designed for Modicon Quantum systems.

Q3: Can the relay be used in high-vibration environments?
A3: Yes, it is built to withstand industrial vibrations.

Q4: What is the expected lifespan of the contacts?
A4: Approximately 100,000 cycles under normal load conditions.

Q5: Does it support hot-swapping?
A5: Yes, the modular design allows for hot-swapping.

Q6: What certifications does this relay have?
A6: It is CE, UL, and RoHS certified.