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3BSE021447R1

ABB 3BSE021447R1 TU845 Termination Unit - 8 Channel MTU

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  • Manufacturer: ABB

  • Product No.: 3BSE021447R1

  • Product Type: Redundant Terminal Block

  • Product Origin: Sweden

  • Payment:T/T, Western Union

  • Weight: 600g

  • Shipping port: Xiamen

  • Warranty: 12 months

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ABB 3BSE021447R1 TU845 Module Termination Unit

The ABB 3BSE021447R1 is a dedicated termination unit for industrial control systems. This product serves as a crucial interface between field wiring and I/O modules.

Core Product Information

  • Manufacturer & Part Number: ABB 3BSE021447R1
  • Product Designation: TU845 Module Termination Unit (MTU)
  • Primary Application: Termination for Redundant AI845 Analog Input Modules
  • Mounting Orientation: Vertical Mount Configuration
  • Connection Method: Screw Terminal Block for Secure Wiring

Key Technical Specifications

  • Channel Capacity: 8 Independent Signal Channels
  • Voltage Rating: 50 Volts Maximum Working Voltage
  • Current Capacity: Up to 10 Amperes Per Channel
  • Operating Temperature Range: -40°C to +85°C
  • Signal Integrity: Insulation Resistance Exceeds 100 MΩ
  • Switching Speed: Fast Response Time Under 2 Milliseconds
  • Thermal Performance: Rated for Operation at up to 55°C (131°F)
  • Compatible I/O Modules: AI845, AI880, AI880A, and DP840 Series
  • Terminal Configuration: 40 Terminals Total (2 per signal channel plus power)
  • Product Weight: 0.6 Kilograms (Approx. 1.3 lbs)
  • Unit Dimensions (H x W x D): 124mm x 186.5mm x 64mm

Installation & Wiring Instructions

  • Mount the termination unit vertically in your DIN rail cabinet or panel.
  • Ensure adequate clearance around the unit for proper ventilation and access.
  • Connect your field sensor or device wires to the appropriate channel terminals.
  • Use the dedicated terminals for process power (24V) and common (0V) connections.
  • Route the flat cable from the termination unit to the corresponding AI845 I/O module.
  • Verify all terminal screws are tightened to the specified torque for reliable contact.

Frequently Asked Questions (FAQ)

  • Q: What is the main purpose of this termination unit?
    A: It provides a secure and organized wiring point for field devices connecting to ABB's AI845 and compatible I/O modules.
  • Q: Can I use this unit with non-redundant I/O modules?
    A: Yes, it is compatible with both redundant and standard configurations of the listed I/O modules.
  • Q: How many wires can I connect to one channel?
    A: Each channel has two dedicated terminals, allowing for a standard two-wire connection per signal.
🏷️ Tags: ABB Redundant Terminal Block
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