ABB|TB846|Redundant ModuleBus Cable Adapter
ABB TB846 3BSE021439R1 Redundant ModuleBus Cable Adapter
Description
ABB TB846 is a redundant cable adapter used to extend the ModuleBus in S800 I/O systems, enabling flexible DIN rail placement and optical ModuleBus expansion when paired with TB842.
Features
- Extends ModuleBus using TB845 and two TK801V0xx cables
- Supports optical ModuleBus extension with TB842
- Allows I/O modules to be mounted on separate DIN rails
- Ensures redundancy and signal integrity across distributed systems
Technical Specifications
- Type: ModuleBus Cable Adapter
- Function: Redundant ModuleBus extension unit
- Compatibility: Works with TB845, TK801V0xx, and TB842
- Operating Temperature: 0 to +55 °C
- Storage Temperature: -25 to +70 °C
- Humidity: 5–95% non-condensing
- Certifications: CE, cULus, ATEX, ABS, BV, DNV, LR
- Pollution Degree: IEC 60664-1, Degree 2
- Protection Class: IP20
- EMC Compliance: EN 61000-6-4, EN 61000-6-2
- RoHS Compliant: Yes
-
Dimensions:
- Width: 43 mm
- Depth: 31.5 mm
- Height: 186 mm
- Weight: 180 g
ABB|TB846|Redundant ModuleBus Cable Adapter

ABB|TB846|Redundant ModuleBus Cable Adapter
ABB TB846 3BSE021439R1 Redundant ModuleBus Cable Adapter
Description
ABB TB846 is a redundant cable adapter used to extend the ModuleBus in S800 I/O systems, enabling flexible DIN rail placement and optical ModuleBus expansion when paired with TB842.
Features
- Extends ModuleBus using TB845 and two TK801V0xx cables
- Supports optical ModuleBus extension with TB842
- Allows I/O modules to be mounted on separate DIN rails
- Ensures redundancy and signal integrity across distributed systems
Technical Specifications
- Type: ModuleBus Cable Adapter
- Function: Redundant ModuleBus extension unit
- Compatibility: Works with TB845, TK801V0xx, and TB842
- Operating Temperature: 0 to +55 °C
- Storage Temperature: -25 to +70 °C
- Humidity: 5–95% non-condensing
- Certifications: CE, cULus, ATEX, ABS, BV, DNV, LR
- Pollution Degree: IEC 60664-1, Degree 2
- Protection Class: IP20
- EMC Compliance: EN 61000-6-4, EN 61000-6-2
- RoHS Compliant: Yes
-
Dimensions:
- Width: 43 mm
- Depth: 31.5 mm
- Height: 186 mm
- Weight: 180 g