Core Advantages
- Dual redundant communication ports.
- Wide 24 VDC supply range.
- Handles 30 A inrush current.
- Built-in short circuit protection.
- Integrated overvoltage protection.
- Conformal coating for harsh sites.
- High humidity tolerance up to 95%.
- Certified for hazardous locations.
Electrical Specifications
- Brand: Schneider Electric
- Model: 140CRA21120C
- Series: Modicon Quantum
- Product Type: DIO drop interface
- EAN: 3595861136236
- Rated Supply Voltage: 24 VDC
- Voltage Limits: 20…30 VDC
- Maximum Supply Current: 1.6 A
- Inrush Current: 30 A
- Associated Fuse: 2.5 A
- Output Voltage: 5.1 V
- Nominal Output Current: 3 A
- Minimum Load Current: 0 A
- Power Dissipation: 11 W
- I/O Words: 30 Input / 32 Output
- Terminal Type: 7-pole terminal block
Environmental Performance
- Operating Temperature: 0°C to 60°C
- Storage Temperature: -40°C to 85°C
- Humidity: 95% non-condensing
- Altitude: Up to 5000 m
- Electrostatic Discharge: 4 kV contact, 8 kV air
- EM Field Resistance: 10 V/m
- Protective Coating: Humiseal 1A33
System Integration
- Supports multiple Quantum backplanes.
- Compatible with 2 to 16 slot racks.
- Startup diagnostics for RAM and checksum.
- Runtime self-test monitoring.
- Standard module format.
Industrial Benefits
- Improves remote I/O stability.
- Reduces downtime with redundant ports.
- Safe operation in high humidity plants.
- Stable output under voltage fluctuation.
- Long service life in process industries.
Certifications & Compliance
- UL 508
- CSA Class 1 Division 2
- DNV
- GOST
- C-tick
Packaging Details
- Unit Weight: 0.62 kg
- Package Size: 31.5 × 16.5 × 5.0 cm
- Country of Origin: France
- Returnability: Non-returnable
Warranty & Delivery
- Condition: New or professionally tested.
- Warranty: 12 months.
- Shipping Methods: FedEx, UPS, DHL.
- Fast global dispatch available.
Professional FAQ
- How do I check if this module fits my Quantum rack?
- Confirm your rack model first.
- Check slot availability and backplane type.
- Why are redundant ports important?
- They ensure network backup.
- If one line fails, the other keeps running.
- Can it work in high altitude sites?
- Yes, up to 5000 meters.
- This suits mining and mountain plants.
- What causes high inrush current issues?
- Poor power supply sizing is common.
- Always check supply capacity before installation.
- How do I choose between different CRA models?
- Compare I/O word capacity.
- Check required diagnostics features.
- Confirm certification needs for your site.
Contact Information
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
- Partner: PLCDCS HUB Limited
- Powergear X Automation Limited: https://www.powergearx.com/
Copyright © 2026 Oiltech Controls Limited. https://www.oiltechcontrols.com/ All rights reserved.
Partner PLCDCS HUB Limited.
Powergear X Automation Limited.
All rights reserved.
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