We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

ABB TU807 (3BSE039025R1) Termination Unit 

1. Key Parameters

• Product Model: TU807
• Order Code: 3BSE039025R1
• Product Series: ABB TU Series S800 I/O Termination Units (Field Signal Termination, Wire Management, Signal Protection)
• Core Function: Terminates and distributes field signals (analog/digital) between field devices and ABB S800 I/O modules; provides wire management and labeling for organized wiring; offers surge/ESD protection for sensitive signals; supports diagnostic monitoring of signal connections; ensures compatibility with ABB automation ecosystems
• Electrical & Signal Specifications:

  Parameter	Details	Performance Metrics
  Signal Compatibility	- Supported Signal Types: Analog Input (AI: 4~20mA, 0~10V), Analog Output (AO: 4~20mA), Digital Input (DI: 24V DC), Digital Output (DO: 24V DC) - Maximum Signal Channels: 32 (16 pairs of input/output terminals) - Rated Voltage: 24V DC (signal lines); 250V AC (power lines, optional) - Rated Current: 5A per terminal (continuous); 10A (peak, 1s)	Accommodates mixed signal types in a single unit, reducing the need for multiple termination blocks and simplifying wiring in dense control cabinets
  Protection Features	- Surge Protection: ±15kV ESD (contact, IEC 61000-4-2); 2kV surge (line-line, IEC 61000-4-5) - Overcurrent Protection: Fuse slots (1A slow-blow, per 4-channel group) for DO/AI lines - Short-Circuit Protection: Current limiting (via optional fuses) to prevent damage to S800 I/O modules - Signal Isolation: 500V AC (channel-to-channel, 1min)	Protects sensitive S800 I/O modules (e.g., AI893, DI825) from field-side electrical anomalies (e.g., lightning-induced surges, shorted sensors)
  Terminal & Wiring Details	- Terminal Type: Spring-clamp terminals (tool-less, for 0.2mm²~2.5mm² copper wire) - Terminal Pitch: 5.08mm (standard, for easy labeling and wire access) - Wiring Direction: Front-access (for cabinet-side installation) or rear-access (for rack-mounted integration) - Labeling: Pre-printed channel labels (AI1~AI16, DI1~DI16) + blank labels for custom field device naming	Tool-less spring-clamp terminals reduce wiring time by 30% vs. screw terminals; clear labeling eliminates wiring errors during installation/maintenance
  Diagnostic & Monitoring	- Status Indicators: LED per 4-channel group (green = normal, red = overcurrent/surge) - Test Points: Accessible test terminals for each signal channel (for multimeter/probe measurements) - Signal Integrity: ≤10mΩ contact resistance (per terminal) - Noise Rejection: Ferrite beads on power lines (reduces EMI from field wiring)	LED indicators and test points enable quick identification of signal faults (e.g., shorted DO channel), reducing troubleshooting time by 50%

• Mechanical Specifications:
  • Dimensions: 100mm (W) × 200mm (L) × 50mm (H) (S800 rack-compatible form factor)
  • Mounting Type: DIN rail mount (EN 50022, 35mm top-hat rail); direct attachment to ABB S800 I/O racks (via adapter)
  • Housing Material: Glass-fiber reinforced polyamide (PA66+GF, flame-retardant, UL 94 V0)
  • Weight: Approximately 400g (without wires/fuses)
  • IP Rating: IP20 (finger protection, IEC 60529)
• Environmental Ratings:
  • Operating Temperature Range: -25℃~+70℃ (-13℉~158℉)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
  • Humidity Tolerance: 5%~95% RH (non-condensing, 40℃)
  • Vibration Resistance: 10~500Hz, 1.5g acceleration (IEC 60068-2-6; no terminal loosening)
  • Shock Resistance: 20g (11ms half-sine, IEC 60068-2-27; no housing damage)
• Compliance Standards: CE, RoHS, ABB S800 I/O Compatibility Standard V6.0+, IEC 61010-1 (electrical safety), EN 61000-6-2 (EMC immunity)

2. Key Features

• 32-Channel Mixed-Signal Termination: Supports 32 channels of AI/AO/DI/DO signals in a single unit—enables centralized termination of mixed field devices (e.g., 16 temperature sensors + 16 valve actuators) in one location, reducing cabinet clutter and wiring complexity.
• Tool-Less Spring-Clamp Terminals: 0.2mm²~2.5mm² wire compatibility with no screws required—cuts wiring time by 30% vs. traditional screw terminals, eliminates cross-threading risks, and ensures consistent contact pressure (≤10mΩ resistance) for reliable signal transmission.
• Integrated Surge/ESD Protection: ±15kV ESD and 2kV surge protection shields S800 I/O modules from field-side electrical anomalies—prevents damage to expensive modules (e.g., AI893) from lightning-induced surges or static discharge during maintenance.
• Grouped Fuse Protection: Fuse slots (1A slow-blow) for 4-channel groups—isolates overcurrent faults (e.g., shorted DO line) to a single group, avoiding full I/O module shutdown and maintaining operation of other critical signals.
• Clear Labeling & Diagnostics: Pre-printed channel labels + group LEDs + test points—simplifies wiring documentation, enables at-a-glance fault detection (red LEDs for overcurrent), and allows signal testing without disconnecting field wires, reducing MTTR by 50%.
• S800 Rack Compatibility: DIN rail or direct S800 rack mounting—seamlessly integrates with existing ABB I/O racks, requiring no custom adapters; front/rear wiring options accommodate diverse cabinet layouts (e.g., front-access for wall-mounted cabinets, rear-access for rack-mounted systems).
• Rugged Industrial Design: PA66+GF housing (UL 94 V0) and 1.5g vibration resistance—operates reliably in harsh environments: high-temperature process zones (refineries), humid offshore platforms, and dusty manufacturing plants (with IP20 protection against debris).

3. Application Fields

• ABB S800 I/O System Signal Termination: Primary application—connecting field devices to ABB control systems:
  • Chemical Plant 800xA DCS Cabinets: Terminates 16 AI signals (4~20mA pressure/temperature sensors) and 16 DO signals (24V DC valve controls) for a reactor skid; surge protection prevents module damage from chemical plant power grid transients, ensuring continuous batch processing.
  • AC800M PLC Manufacturing Lines: Connects 32 DI signals (24V DC photoelectric sensors) for conveyor belt positioning; tool-less terminals enable quick reconfiguration during line upgrades, while test points simplify sensor troubleshooting without stopping production.
• Process Industry Field Signal Management: Organizing wiring for complex processes:
  • Oil Refinery Distillation Units: Terminates mixed AI/AO signals (flow meters, heater controls) and routes them to S800 I/O modules; grouped fuses isolate a shorted AO line (heater control) to one group, maintaining other distillation zone controls.
  • Water Treatment Plant Pump Stations: Connects 32 DI/DO signals (pump status, valve actuation) in a remote pump station; clear labeling and LED diagnostics allow on-site technicians to quickly identify a faulty pump sensor, reducing water supply disruption.
• Harsh Environment Signal Protection: Reliable termination in extreme conditions:
  • Mining Underground Control Rooms: Terminates 16 AI signals (gas detectors, conveyor temperature sensors) in dusty, vibration-prone underground environments; rugged housing and vibration resistance (1.5g) prevent terminal loosening, ensuring safety-critical gas monitoring.
  • Food Processing Line Hygienic Zones: Terminates 16 DO signals (washdown valve controls) in a USDA-compliant zone; smooth, easy-to-clean housing resists caustic cleaners during daily washdowns, complying with food safety standards (FDA 21 CFR Part 11).
• Infrastructure & Energy Sector Wiring: Supporting critical signal distribution:
  • Solar Farm Inverter Control: Terminates 32 DI signals (inverter status, battery level sensors) and routes them to the central SCADA system; surge protection (2kV) withstands lightning-induced transients in outdoor inverter enclosures, ensuring continuous energy production monitoring.
  • Metro Rail Signaling Cabinets: Connects 16 AI/DI signals (trackside sensors, signal lights) to AC800M PLCs; ESD protection (±15kV) prevents damage from static discharge during maintenance, maintaining safe train operation.

4. Precautions

• Fuse Selection & Installation (Critical): Use only 1A slow-blow fuses (ABB part no. 1SFA060001R1000) for overcurrent protection—using higher-rated fuses (e.g., 2A) or fast-acting fuses invalidates protection and may damage S800 I/O modules; replace fuses only after resolving the root fault (e.g., shorted wire).
• Installation & Wiring Safety:
  • Wire Gauge Compliance: Use 0.2mm²~2.5mm² copper wire—undersized wire (e.g., 0.1mm²) causes high contact resistance (overheating), while oversized wire (e.g., 4mm²) cannot fit spring-clamp terminals; verify wire size with the terminal’s marked range.
  • Polarity & Signal Routing: Follow ABB’s wiring diagram for AI/AO/DI/DO signal polarity—reversing polarity (e.g., swapping 4~20mA+/-) causes measurement errors or module damage; separate power lines (24V DC) from signal lines to reduce EMI.
  • Torque & Contact Pressure: Ensure spring-clamp terminals are fully closed (audible "click" when inserting wire)—insufficient contact pressure causes intermittent signals; do not use tools to force wires (damages terminal springs).
• Operation & Maintenance:
  • Regular Visual Inspection: Check quarterly for:
    • Loose wires (pull gently on each wire to verify secure termination)
    • Damaged fuses (visually inspect for blown elements)
    • LED status (red LEDs indicate overcurrent/surge—investigate immediately)
      Clean terminals with a dry brush—avoid liquid cleaners (damage insulation or cause short circuits).
  • Test Point Usage: Use test points only with insulated probes (1000V CAT III rated)—uninsulated probes risk shorting adjacent terminals; measure signals with the system powered on to avoid false readings (e.g., open-circuit voltage).
  • Wiring Documentation: Update labeling whenever reconfiguring signals (e.g., repurposing a DI channel for a new sensor)—outdated labels lead to wiring errors during maintenance; use ABB’s wiring management software to log changes.
• Environmental Limitations:
  • Temperature Extremes: Do not operate above +70℃ or below -25℃—high temperatures degrade terminal springs, while extreme cold makes the housing brittle; use cabinet heaters/coolers in extreme zones (e.g., desert refineries, arctic pipelines).
  • Condensing Humidity: Avoid operation in condensing humidity (>95% RH, 40℃)—condensation causes terminal corrosion, increasing contact resistance; use dehumidifiers in humid environments (e.g., offshore platforms, water treatment plants).
• Replacement & Spare Parts:
  • Genuine ABB Components: Use only genuine ABB TU807 (3BSE039025R1) units—non-genuine termination units lack surge protection and S800 compatibility, leading to signal loss or module damage; source fuses and accessories exclusively from ABB.
  • Spare Inventory: Maintain 1~2 spare units per 10 termination points—TU807 failures disconnect 32 signals; spares reduce downtime from 2+ weeks (delivery) to <1 hour for mission-critical systems (e.g., chemical reactor controls)
• 
• 

The structure and details of the product：

Please make an inquiry for more models

ABB 3HAC022104-001

ABB DSQC532B 3HAC023447-001

ABB 3HAC024628-001

ABB 3HAC025396-001

ABB 3HAC025527-004 DSQC639

ABB 3HAC025562

ABB 3HAC026840-001 DSQC667

ABB 3HAC029024-001

ABB 3HAC029105-001

ABB 3HAC029157-001 DSQC668

ABB 3HAC031851-001 DSQC633A

ABB 57120001-HZ DSAI155

ABB 57120001-KH DSTA156

ABB 57120001-P  DSAI130

ABB 57120001-PC DSXW110

ABB 57120001-PS  DSAI133

ABB 57160001-AAA DSDI110A

ABB 57160001-AAK DSTDW150

ABB 57160001-ABD DSTD108 8.12

ABB 57160001-ACA DSDI120A

ABB PPC322BE01

ABB 1SAJ510004R0002

ABB 57160001-ADK

ABB 57160001-ADK DSTX170

ABB 57160001-GF

ABB 57160001-K DSDO110

ABB 57160001-NF DSDO115 

ABB 57160001-NV dsdi115

ABB 57160001-SH DSTD306

ABB 57160001-TZ DSTD 110A

ABB 57160001-UH DSTD150A

ABB 57160001-YX DSTDW130

ABB 57160001-ZL

ABB 57170001-A dsxs001

ABB 57310001-CX/2 DSPC155

ABB 57310001-FH DSCS130

ABB 57310001-HG dspu120

ABB 57310001-KD Dsbc172

ABB 57310256-EL  DSBB172A

ABB 57310256-A DSBB175

ABB 57310256-ER DSBB175

ABB 57330001-N/4  DSMC110

ABB 57340001-T DSPB120

ABB 57360001-A DSMB110

ABB 57360001-EL DSMB144

ABB 57360001-HX DSMB176

ABB 5736045-N DSMD113

ABB 57520001-BZ DSCS116

ABB 57520001-U/3

ABB 5760293-7B PMC85-CL

ABB 5760380-1B

ABB 57619783E NINT-46

ABB 57619791D NBUB-61C

ABB 5SHX2645L0004 RC-IGCT

ABB 5SHX2645L0004 3BHL000389P0104

ABB 5SHY3545L0003 5SHY3545L0003

ABB 5SHY3545L0010 3BHB013088R0001

ABB ACN634 NDCU-22C 64009125A

ABB ACS401001632

ABB ACS401-6005-3-2

ABB NIOC-02C

ABB ACS355-03E-07A3-4

ABB AE6003B

ABB AF185-30

ABB AF300-30

ABB AFIN-01C

ABB AFPS01C

ABB AFPS-01C

ABB AFPS-11C 3AFE68969972

ABB AGBB-01C

 Other best-selling products：