| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
ABB TB846 3BSE021439R1 Redundant ModuleBus Cable Adaptor
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings

Product Overview
The ABB TB846 3BSE021439R1 is a redundant ModuleBus cable adaptor designed for use within the ABB Ability™ System 800xA® architecture. It facilitates redundant and extended ModuleBus connectivity when used with components such as TB845 and TK801V0xx cables. It also supports optical extension with TB842.
Product Features and Advantages
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Enables redundant ModuleBus extension.
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Supports distributed I/O modules across multiple DIN rails.
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Compatible with both electrical and optical extension configurations.
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Certified for harsh environments including marine and hazardous locations.
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High reliability due to robust industrial design.
Applications
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Distributed control systems in industrial automation.
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Process control networks requiring extended or redundant I/O configurations.
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Environments requiring secure and certified bus communication, including marine and hazardous areas.
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ABB System 800xA and Symphony Plus installations.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Redundant ModuleBus Cable Adaptor |
| Article Number | 3BSE021439R1 |
| System Compatibility | ABB Ability™ System 800xA®, Symphony Plus |
| Interface | Used with TB845 and TK801V0xx, or TB842 |
| Dimensions (W × D × H) | 43 × 31.5 × 186 mm |
| Weight | 0.18 kg |
| Protection Class | IP20 (IEC 60529) |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -25 to +70 °C |
| Humidity | 5 to 95% RH (non-condensing) |
| Safety Standards | IEC 61131-2, UL 61010-1, UL 61010-2-201 |
| EMC Compliance | EN 61000-6-4, EN 61000-6-2 |
| Hazardous Location Compliance | C1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2 |
| Marine Certifications | ABS, BV, DNV, LR |
| Corrosion Protection | ISA-S71.04 G3 |
| Overvoltage Category | IEC/EN 60664-1 |
| RoHS Compliance | DIRECTIVE/2011/65/EU (EN 50581:2012) |
| WEEE Compliance | DIRECTIVE/2012/19/EU |
FAQs
Q1: What is the primary function of the TB846?
A1: It serves as a redundant ModuleBus cable adaptor to extend bus connections across multiple DIN rails or optically with TB842.
Q2: Can TB846 be used in optical ModuleBus extensions?
A2: Yes, when used in combination with TB842.
Q3: Is TB846 suitable for use in hazardous areas?
A3: Yes, it is certified for C1 Div 2, Zone 2, and ATEX Zone 2 environments.
Q4: What components must TB846 be used with for electrical extension?
A4: It is used together with TB845 and two TK801V0xx cables.
Q5: What type of system is TB846 designed for?
A5: It is designed for ABB System 800xA® and Symphony Plus systems.
Q6: Is TB846 compliant with marine certifications?
A6: Yes, it is certified by ABS, BV, DNV, and LR.
Q7: What environmental protection class does the TB846 meet?
A7: It has IP20 protection according to IEC 60529.
Q8: What is the pollution degree classification?
A8: Pollution Degree 2 as per IEC 60664-1.
Q9: What corrosion protection standard does TB846 meet?
A9: It conforms to ISA-S71.04 G3.
Q10: Does TB846 support redundant configurations?
A10: Yes, it supports redundant ModuleBus configurations for enhanced system reliability.
Related Models (Same Series or Function)
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| TB845 | ModuleBus Redundancy Adaptor | 43 × 31.5 × 186 | 0.18 kg |
| TB842 | Optical ModuleBus Extension Adaptor | 43 × 31.5 × 186 | 0.18 kg |
| TK801V005 | ModuleBus Extension Cable (5 m) | N/A | N/A |
| TK801V010 | ModuleBus Extension Cable (10 m) | N/A | N/A |
| TU846V1 | Redundant Base Unit for S800 I/O | 214 × 119 × 95 | 0.65 kg |
| CI840A | Communication Interface for S800 I/O | 80 × 50 × 106 | 0.20 kg |
Popular ABB Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| PM866AK02 | Processor Unit, System 800xA | 155 × 127 × 58 | 0.32 kg |
| AC800M PM861K01 | CPU for ABB System 800xA | 155 × 127 × 58 | 0.30 kg |
| DO820 | Digital Output Module, 16-ch | 98 × 56 × 186 | 0.25 kg |
| DI820 | Digital Input Module, 16-ch | 98 × 56 × 186 | 0.25 kg |
| CI854AK01 | Profibus DP Communication Interface | 120 × 60 × 110 | 0.21 kg |
| AI820 | Analog Input Module, 4-20 mA | 98 × 56 × 186 | 0.25 kg |
FAQs
Q1: What is the primary function of the TB846?
A1: It serves as a redundant ModuleBus cable adaptor to extend bus connections across multiple DIN rails or optically with TB842.
Q2: Can TB846 be used in optical ModuleBus extensions?
A2: Yes, when used in combination with TB842.
Q3: Is TB846 suitable for use in hazardous areas?
A3: Yes, it is certified for C1 Div 2, Zone 2, and ATEX Zone 2 environments.
Q4: What components must TB846 be used with for electrical extension?
A4: It is used together with TB845 and two TK801V0xx cables.
Q5: What type of system is TB846 designed for?
A5: It is designed for ABB System 800xA® and Symphony Plus systems.
Q6: Is TB846 compliant with marine certifications?
A6: Yes, it is certified by ABS, BV, DNV, and LR.
Q7: What environmental protection class does the TB846 meet?
A7: It has IP20 protection according to IEC 60529.
Q8: What is the pollution degree classification?
A8: Pollution Degree 2 as per IEC 60664-1.
Q9: What corrosion protection standard does TB846 meet?
A9: It conforms to ISA-S71.04 G3.
Q10: Does TB846 support redundant configurations?
A10: Yes, it supports redundant ModuleBus configurations for enhanced system reliability.
Related Models (Same Series or Function)
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| TB845 | ModuleBus Redundancy Adaptor | 43 × 31.5 × 186 | 0.18 kg |
| TB842 | Optical ModuleBus Extension Adaptor | 43 × 31.5 × 186 | 0.18 kg |
| TK801V005 | ModuleBus Extension Cable (5 m) | N/A | N/A |
| TK801V010 | ModuleBus Extension Cable (10 m) | N/A | N/A |
| TU846V1 | Redundant Base Unit for S800 I/O | 214 × 119 × 95 | 0.65 kg |
| CI840A | Communication Interface for S800 I/O | 80 × 50 × 106 | 0.20 kg |
Popular ABB Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| PM866AK02 | Processor Unit, System 800xA | 155 × 127 × 58 | 0.32 kg |
| AC800M PM861K01 | CPU for ABB System 800xA | 155 × 127 × 58 | 0.30 kg |
| DO820 | Digital Output Module, 16-ch | 98 × 56 × 186 | 0.25 kg |
| DI820 | Digital Input Module, 16-ch | 98 × 56 × 186 | 0.25 kg |
| CI854AK01 | Profibus DP Communication Interface | 120 × 60 × 110 | 0.21 kg |
| AI820 | Analog Input Module, 4-20 mA | 98 × 56 × 186 | 0.25 kg |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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