ABB TU818 3BSE069209R1 Compact Terminal Block Base

Technical Specifications

• Model: TU818 3BSE069209R1
• Series: ABB S800 I/O
• Mounting: 35mm DIN rail or panel mounting
• Voltage Rating: 50V DC (supports 24V/48V systems)
• Current Rating: 10A per channel (single-channel)
• Terminal Type: Spring-loaded terminals (0.2–2.5mm² wire)
• Protection Class: IP20 (indoor), optional IP65 coating for outdoor use
• Operating Temperature: -25°C to +70°C
• Humidity: 95% non-condensing
• Vibration Resistance: IEC 60068-2-6 (5g/10–500Hz)
• Certifications: CE, UL, IEC 61131-2, GB/T 15969.3

Functional Features

• High-Density Design: Supports up to 16 channels in a compact form factor, reducing cabinet space requirements.
• Spring-Loaded Terminals: Enable tool-free wiring, cutting installation time to ≤3 seconds per terminal.
• Anti-Vibration Design: Ensures stable operation in high-vibration environments (e.g., wind turbines, offshore platforms).
• Corrosion Resistance: Glass-fiber-reinforced polycarbonate housing withstands chemical exposure (e.g., chlorine in chemical plants).
• Modular Expansion: Compatible with TU830 extension bases for up to 128 I/O channels per cabinet.
• Electromagnetic Shielding: Built-in layer suppresses interference below 100kHz, safeguarding signal integrity.
• Hot-Swappable: Modules can be replaced without powering down the system, minimizing downtime.

Application Scenarios

• Chemical Processing: Monitors temperature and pressure sensors in reactors, withstanding corrosive gases.
• Wind Energy: Drives pitch control motors in turbines, enduring strong vibrations and temperature extremes.
• Automotive Manufacturing: Integrates with PLCs to monitor welding parameters (e.g., current, voltage) in real time.
• Water Treatment: Controls pump and valve actuators in wastewater plants, resistant to humidity and salt spray.
• Mining Operations: Manages conveyor systems and crusher sensors in dusty, high-vibration environments.

Advantages

• Reliability: Glass-fiber-reinforced housing and gold-plated contacts ensure long-term stability in harsh conditions.
• Efficiency: Spring terminals reduce wiring errors and maintenance costs by 50% compared to screw terminals.
• Scalability: Modular design allows easy expansion from 8 to 128 channels without redesigning cabinets.
• Safety: IP20/IP65 ratings and vibration resistance meet global standards for industrial and hazardous environments.

Industry Compliance

• Functional Safety: SIL 2/SIL 3 certified (HART protocol) for use in safety-critical applications.
• Electromagnetic Compatibility: Complies with IEC 61000-6-2 (industrial immunity) and IEC 61000-6-4 (emissions).
• Environmental Standards: RoHS-compliant, free from hazardous substances.