140CRA21220C Modicon Quantum DIO drop 24VDC conformal coated

🔧 140CRA21220C at a glance

• Schneider Electric 140CRA21220C = DIO drop interface. Belongs to Modicon Quantum series.
• Two redundant ports for fault‑tolerant field networks.
• Supply 24 VDC (range 20‑30 V). Handles 30 A inrush current.
• Built‑in short‑circuit + overvoltage protection.
• Conformal coating protects against moisture and dust.

📊 Technical facts (condensed)

• ▸ Manufacturer: Schneider Electric | Type: DIO drop interface
• ▸ Product line: Modicon Quantum | Part: 140CRA21220C
• ▸ Redundant ports: 2 (copper / fiber compatible)
• ▸ Supply voltage: 24 VDC (limits 20‑30 V)
• ▸ Inrush current: 30 A (max)
• ▸ Output voltage: 5.1 V | Output current: 3 A
• ▸ Power dissipation: 11 W (typical)
• ▸ Fuse rating: 2.5 A internal
• ▸ Max buffer time: 1 ms (power loss ride‑through)
• ▸ Protection: short‑circuit ✅, overvoltage ✅
• ▸ Altitude: ≤5000 m | Humidity: 95% non‑condensing
• ▸ Coating: conformal coated (PCB protection)

💡 Why choose this DIO drop

• ▶ Redundant ports – keep running even if one cable fails.
• ▶ 30 A inrush handling – starts large capacitive loads smoothly.
• ▶ Conformal coating – survives humidity, vibration, industrial dust.
• ▶ 5.1 V / 3 A auxiliary output – powers small sensors or logic.
• ▶ 1 ms buffer time – avoids dropouts during micro power dips.
• ▶ 11 W dissipation – runs cool, saves energy in panels.

🛡️ Environmental & protection details

• ⚡ Short‑circuit proof – output shuts down, auto‑recovers.
• ⚡ Overvoltage protection – clamps surges above 30 V.
• 🌡️ Humidity 95% – no condensation, suitable for wet areas.
• 🏔️ Altitude 5000 m – works at high sites (mines, mountains).
• 🛡️ Conformal coating – prevents corrosion from aggressive atmospheres.

📦 Delivery & warranty terms

• 📦 Includes: 1x 140CRA21220C module (new, original packaging). No cables.
• 🚚 Shipping: FedEx, UPS, DHL – express worldwide. Tracking provided.
• ✅ Warranty: 12 months against defects. 30 days money‑back.

❓ Professional FAQ – experience & selection

• Q: Can I use 140CRA21220C as a remote DIO drop on dual ring?
  A: Yes. Two redundant ports let you build ring or dual‑cable topologies. Works with Quantum hot‑standby.
• Q: What does “buffer time 1 ms” mean for my system?
  A: If supply drops briefly, module holds internal state for 1 ms. Avoids false trips during momentary dips.
• Q: Do I need external fuses?
  A: No. Internal 2.5 A fuse protects the module. For field wiring, follow local codes (max 3 A).
• Q: Conformal coating – is it safe for chemical plants?
  A: Yes. Coating resists light chemicals, humidity, salt spray. Not for immersion, but ideal for industrial cabinets.
• Q: Which protocol runs through the redundant ports?
  A: It’s a DIO drop interface for Modicon Quantum RIO (remote I/O) or similar. Use with 140 CRP 931 00 etc.

📬 Contact & support

• 📧 info@oiltechcontrols.com
• 📞 +86 158 8020 0923 (WhatsApp)
• Industrial automation specialists – reply within 4h.