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1SBN010040R1331 ABB CA5-31U Auxiliary Contact Block 3NO 1NC Front Mount
ABB 1SBN010040R1331 CA5-31U four-pole auxiliary contact block with 3 NO and 1 NC contacts designed for ABB contactor control and signalling applications.
£39.78
Why Choose the ABB 1SBN010040R1331 CA5-31U Auxiliary Contact Block?
The ABB 1SBN010040R1331 is a reliable four-pole auxiliary contact block designed to expand the control and signalling capabilities of ABB contactors and contactor relays. As part of the trusted ABB CA5 auxiliary contact block series, it provides additional instantaneous auxiliary contacts for industrial automation systems, electrical control panels and motor control applications.
This front-mounted accessory features 3 normally open and 1 normally closed auxiliary contacts, providing flexible feedback, interlocking and monitoring functions for compatible ABB A, AL, TAL and UA series contactors. The CA5-31U uses screw terminal connections for secure industrial wiring and straightforward installation.
With a rated operational voltage of up to 690 V AC and an AC-15 operational current rating of 4 A at 230 V AC, the ABB 1SBN010040R1331 is suitable for reliable auxiliary switching in industrial control systems, machinery and automation equipment.
Key Advantages
- Compact auxiliary contact block designed for ABB contactor systems.
- 3 normally open and 1 normally closed auxiliary contacts for flexible control functions.
- Front-mounted design for simple installation on compatible ABB contactors.
- Screw terminal connections provide reliable industrial wiring.
- Improves signalling, monitoring and electrical interlocking capabilities.
- Compatible with ABB A, AL, TAL and UA contactor ranges.
Key Features
- ABB CA5-31U auxiliary contact block series.
- 4 auxiliary contact poles.
- 3 NO + 1 NC instantaneous auxiliary contacts.
- Front mounting arrangement.
- Screw terminal connection.
- Rated operational voltage up to 690 V AC.
- Designed for ABB low voltage contactors and contactor relays.
Reliable Control Expansion for Industrial Automation
Auxiliary contact blocks such as the ABB CA5-31U provide additional electrical contacts that allow control systems to monitor contactor status, create electrical interlocks and provide feedback signals to automation equipment. They are essential accessories for expanding the functionality of industrial switching devices.
The ABB CA5 auxiliary contact range combines compact construction, reliable switching performance and simple front mounting, helping engineers create flexible and maintainable control solutions for industrial machinery and automation systems.
Typical Applications
- Industrial control panels.
- Motor starter circuits.
- PLC feedback and signalling systems.
- Machine automation equipment.
- Electrical interlocking applications.
- OEM machinery control assemblies.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 4-pole | |
| Device Type | Auxiliary contact block | |
| Auxiliary Contacts | 3NO + 1NC | |
| Manufacturer | ABB | |
| Series | CA5 Auxiliary Contact Blocks | |
| Model | 1SBN010040R1331 | |
| Alternative designation | CA5-31U | |
| Product type | Auxiliary contact block | |
| Number of poles | 4 | |
| Auxiliary contacts | 3 NO + 1 NC | |
| Mounting type | Front mounting | |
| Terminal type | Screw terminals | |
| Rated operational voltage | Up to 690 V AC | |
| Rated operational current AC-15 | 4 A at 230 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 47 × 43 × 39 mm | |
| Weight | approx. 0.06 kg |
Frequently Asked Questions
What is the ABB 1SBN010040R1331 used for?
The ABB 1SBN010040R1331 is an auxiliary contact block used to add additional control and signalling contacts to compatible ABB contactors and contactor relays.
How many contacts does the ABB 1SBN010040R1331 have?
The CA5-31U auxiliary contact block provides three normally open and one normally closed auxiliary contact.
Where is this auxiliary contact block installed?
The contact block is installed on the front of compatible ABB contactors and contactor relays.
What type of connection does this accessory use?
The ABB 1SBN010040R1331 uses screw terminal connections for reliable industrial wiring.
What applications is this accessory suitable for?
The auxiliary contact block is suitable for industrial automation, motor control panels, signalling circuits and electrical interlocking applications.
Trusted by Industrial Automation Engineers
ABB auxiliary contact blocks are widely used in industrial control systems to expand contactor functionality, improve monitoring capability and provide reliable control circuit integration.
