ABB TB807 3BSE008538R1

1. Overview

2. Key Specifications

• Model: 3BSE008538R1 (TB807)
• Connector: 21-pin female connector
• Operating temperature range: -40 °C to +85 °C
• Termination resistance: 120 Ω (typical value)
• Dimensions: Approximately 13 mm × 17 mm × 19 mm
• Weight: Approximately 0.01 kg
• Power supply: Passive (no external power required)

3. Product Features

• Passive Design: Eliminates the need for external power supply, delivering high reliability and low maintenance costs.
• High Compatibility: Supports a wide range of ABB Modulebus devices and standard module bus protocols.
• Compact Structure: Its small size and lightweight build make it ideal for DIN rail mounting in space-constrained industrial environments.
• Anti-Interference Capability: Provides stable bus termination to suppress signal reflections and noise, significantly improving communication quality.

4. Structure and Components

• Housing: Constructed from metal or high-strength plastic, meeting the protection requirements of industrial environments.
• Connector Assembly: 21-pin female connector with screw or spring clamping for fast and secure wiring.
• Internal Termination Resistor: Fixed 120 Ω termination resistor ensures optimal bus impedance matching for consistent communication performance.

5. Application Fields

• Industrial automation control systems
• Process control (oil, chemical, energy, etc.)
• Building automation and building management systems
• Any fieldbus network requiring reliable Modulebus communications

6. Installation and Maintenance

Installation

1. Directly clip the terminator onto a DIN rail and secure it with screws or spring clamps.
2. Connect the 21-pin female connector to the Modulebus cable for seamless integration.

Maintenance