Description

ABB 3BSE008538R1 bus terminator terminal resistor

The ABB 3BSE008538R1 (also known as the TB807) is a high-performance module bus terminator engineered to ensure seamless signal integrity in industrial control systems. As a critical component of ABB’s S800 I/O and Advant 800xA platforms, this passive unit is designed to eliminate signal reflections at the endpoints of module bus networks, ensuring reliable data transmission in complex automation setups. Ideal for industries such as oil and gas, power generation, and smart manufacturing, the 3BSE008538R1 supports mission-critical operations by maintaining stable communication between controllers, sensors, and actuators.

Label	Specification
Model Number	3BSE008538R1 (TB807)
Brand	ABB
Type	Module Bus Terminator
Input Voltage	Passive design (no external power required)
Operating Temp	0°C to +55°C (storage: -25°C to +70°C)
Communication Method	Module Bus Protocol (proprietary to ABB’s S800 I/O and Advant 800xA systems)
Mounting	Direct plug-in connection to module bus cables
Weight	0.01 kg
Certifications	CE, UL 61010-1, IEC 61131-2, ATEX Zone 2 (for hazardous environments)
Dimensions	19 mm (H) x 17 mm (W) x 13 mm (D)
IP Rating	IP20 (dust protection; requires enclosed system)
Signal Integrity	Reduces reflections by ≥90% in typical industrial networks
Compatibility	ABB S800 I/O, Advant 800xA, and select third-party systems

The 3BSE008538R1 stands out for its passive signal conditioning, which eliminates the need for active components or power supplies. This not only reduces energy consumption but also minimizes points of failure, making it a reliable choice for 24/7 operations. Its precision-machined connectors ensure low-resistance contact with module bus cables, maintaining signal quality even in high-vibration environments. Operators benefit from the tool-free installation, which allows quick deployment during system commissioning or module replacement.

Compatible and Related Models

• 3BSE022360R1 – A digital input module for ABB’s S800 I/O system, complementing the 3BSE008538R1 in modular control setups.
• 3BSE000566R1 – An analog mixed module designed for precision monitoring in Advant 800xA systems, requiring the 3BSE008538R1 for bus termination.
• 3BSE018507R1 – A redundant power supply module that pairs with the 3BSE008538R1 in mission-critical industrial networks.
• 3BSE041078R1 – A communication gateway module for integrating third-party devices into ABB’s S800 I/O architecture, relying on the 3BSE008538R1 for signal integrity.
• 3BSE033333R1 – A high-speed Ethernet switch module compatible with the 3BSE008538R1 in hybrid industrial networks.

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