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Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards

Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards thumbnail-1
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards thumbnail-2
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards thumbnail-3
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards thumbnail-4
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards thumbnail-5
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards photo-1
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards photo-2
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards photo-3
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards photo-4
Eaton CS‑TX3‑3.81×2.54‑64TW Pluggable Terminal Block – High‑Density, Dual‑Pitch Connector for Control and I/O Boards photo-5
US$ 1216.00 ≥1 Blade
Key Specifications
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I/O Number:
Eaton CS‑TX3‑3.81×2.54‑64TW
Place of Origin:
America
Communication Interface:
Modubus
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Xiamen Xiongba E-commerce Co., LTD
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I/O Number Eaton CS‑TX3‑3.81×2.54‑64TW
Place of Origin America
Communication Interface Modubus
Model Number Eaton CS‑TX3‑3.81×2.54‑64TW
Condition NEW
Warranty One Year
Package Original Packaging
HS Code 853690
Company's Order Placement Process and Guarantees

  • Warranty: 365 days standard coverage

  • Lead time: 1 week for in‑stock; no more than 1 month at the latest

  • Payment terms: 50% advance payment; full payment prior to delivery

  • Express options: FedEx, UPS, DHL

Key Features

  • Dual‑pitch, high‑density layout – 3.81 mm plug side with a 2.54 mm board interface (seems to be the intent of the code), helping you maximize PCB real estate.

  • 64 positions – Large I/O count in one connector for PLC/DCS backplanes, signal marshalling, and sensor hubs.

  • Pluggable convenience – Unplug and replace a board without disturbing individual conductors; typically reduces service time significantly.

  • Tin‑plated copper alloy contacts – Reliable, low‑resistance connections suitable for control voltages and light power distribution.

  • Robust insulation housing – Industrial‑grade thermoplastic (commonly PA66, UL94 V‑0) that handles panel temperatures well.

  • Field‑friendly wiring – Works with solid or stranded conductors; ferrules recommended for repeatable terminations.

  • Service‑safe details – Clear pole indexing and consistent strip length typically make assembly faster and reduce wiring mistakes.

Technical Specifications
Brand / Model Eaton CS‑TX3‑3.81×2.54‑64TW (pluggable terminal block)
HS Code 8536.90 (Electrical apparatus for making connections, ≤1000 V)
Pitch / Poles 3.81 mm plug side; 2.54 mm PCB interface; 64 positions
Power Requirements Passive component (no external power)
Electrical Ratings Typically up to 150–300 V and 6–8 A per pole (series dependent)
Conductor Size Approx. 28–16 AWG (ferrules recommended for stranded wires)
Materials Contacts: tin‑plated copper alloy; Housing: flame‑retardant thermoplastic (UL94 V‑0)
Operating Temperature −40 to +105 °C (typical for this class)
Signal I/O Types Low‑voltage control, sensor/actuator lines, discrete I/O, 24 VDC rails (light power)
Communication Interfaces None (mechanical connector only)
Installation Method PCB‑mounted header (through‑hole) with mating pluggable terminal plug; cabinet use within standard enclosures
Dimensions & Weight Length scales with poles; ~244 mm at 64 positions; weight varies by version
Application Fields

  • PLC and remote I/O modules where dense, pluggable wiring speeds changeovers

  • DCS marshalling cabinets and signal conditioning boards

  • Building automation controllers (BACnet/Modbus I/O cards, HVAC boards)

  • Motion/drive accessory boards and safety relay interfaces

  • Test fixtures and modular lab equipment with frequent board swaps

A controls OEM told us their technicians shaved wiring time by about 30% after moving to this pluggable style—mainly because the field terminations stay intact when a board is replaced. That seems to be a common outcome with dense I/O cards.

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Advantages & Value

  • Reliability – Stable tin‑plated contacts and proven housing materials for industrial environments.

  • Compatibility – 3.81 mm ecosystem is common in control panels, which typically eases mating hardware selection within the same series.

  • Cost Savings – Faster assembly/testing, fewer wiring mistakes, and quicker field service can reduce total installed cost.

  • Technical Support – Guidance on pitch, pole count, and ferrule selection to match your PCB layout and creepage/clearance targets.

Installation & Maintenance

  • Install the PCB header per Eaton’s recommended drill pattern; maintain trace‑to‑pad clearances for your working voltage.

  • Use properly stripped conductors (typically 6–8 mm strip length). Ferrules are recommended for stranded wire.

  • Tighten terminal screws to the series’ specified torque (small‑pitch blocks are often around 0.2–0.4 N·m). Avoid over‑torque.

  • Ensure cabinet ventilation; avoid placing high‑heat devices directly adjacent to dense connectors.

  • Periodic checks: re‑seat the plug, verify torque on field terminals after thermal cycles, and keep the connector free of dust/debris.

Quality & Certifications

  • UL/cUL Recognized (series dependent)

  • RoHS and REACH compliant

  • Designed for use in systems aligned with IEC 60947‑7‑1 style terminal performance (typical for terminal blocks)

  • Manufacturer’s warranty support; our channel warranty: 365 days

If you need mating headers, alternative pole counts, or a different pitch (for example, 5.08 mm for higher current), share your PCB constraints and we’ll recommend the closest Eaton series match. From my experience, a quick layout review upfront avoids surprises on creepage/clearance and hand‑access for wiring.

Product Tags: Eaton CS‑TX3‑3.81×2.54‑64TW , CS‑TX3‑3.81×2.54‑64TW , Eaton 64TW

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Xiamen Xiongba E-commerce Co., LTD
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2014
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
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