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1SBN010146R1040 ABB CA4-40EK Auxiliary Contact Block 4NO Front Mount
ABB 1SBN010146R1040 CA4-40EK auxiliary contact block designed to expand contactor control circuits with additional signalling and monitoring contacts.
£14.71
Why Choose the ABB 1SBN010146R1040 CA4-40EK Auxiliary Contact Block?
The ABB 1SBN010146R1040 is a reliable CA4-40EK auxiliary contact block designed to expand the signalling and control capabilities of ABB contactors and contactor relays in industrial automation and electrical control systems. As part of the ABB CA4 auxiliary contact block series, it provides additional switching contacts for monitoring, interlocking and control circuit applications.
This four-pole front-mounted auxiliary contact block features a compact clip-on design with 4 normally open contacts and push-in spring terminal connections. It is developed for standard industrial environments where reliable auxiliary circuit operation and straightforward installation are required.
With a 4 A AC-15 operational current rating at 230 V AC, a 690 V rated operational voltage and a front fastening mounting design, the ABB 1SBN010146R1040 is suitable for contactor status feedback, PLC signalling, electrical interlocking and industrial control panel applications.
Key Advantages
- Dedicated ABB CA4 auxiliary contact block for contactor expansion.
- 4 normally open auxiliary contacts for flexible control circuit design.
- Front-mounted clip-on construction for quick installation.
- Push-in spring terminals enable efficient and secure wiring.
- Compact design helps optimise industrial control panel layouts.
- Suitable for signalling, feedback and interlocking applications.
Key Features
- ABB CA4-40EK auxiliary contact block series.
- 4 normally open auxiliary contacts.
- Front fastening mounting arrangement.
- Push-in spring clamp connection system.
- 4 A AC-15 rated operational current at 230 V AC.
- 690 V rated operational voltage.
- Clip-on design for compatible ABB contactors.
- Suitable for industrial auxiliary and control circuits.
Reliable Auxiliary Switching for Industrial Control Systems
Auxiliary contact blocks such as the ABB CA4-40EK provide additional switching points that allow contactors to communicate operating status, control external circuits and provide electrical interlocking within industrial automation systems.
The ABB CA4 series is designed for simple integration with compatible ABB contactors, helping engineers create flexible control solutions while maintaining compact panel designs and reliable long-term operation.
Typical Applications
- Industrial contactor control panels.
- Motor starter auxiliary circuits.
- PLC feedback and monitoring systems.
- Electrical interlocking applications.
- Industrial automation equipment.
- Machine building and OEM control systems.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Device Type | Auxiliary contact block | |
| Manufacturer | ABB | |
| Series | CA4 Auxiliary Contact Blocks | |
| Model | CA4-40EK | |
| Part number | 1SBN010146R1040 | |
| Product type | Auxiliary contact block | |
| Number of contacts | 4 | |
| Contact configuration | 4 NO | |
| Mounting type | Front mounting / clip-on | |
| Connection type | Push-in spring terminals | |
| Rated operational current AC-15 | 4 A at 230 V AC | |
| Rated operational voltage | 24–690 V AC auxiliary circuit | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Protection rating | IP20 | |
| Weight | approx. 0.05 kg |
Frequently Asked Questions
What is the ABB 1SBN010146R1040 used for?
The ABB 1SBN010146R1040 is an auxiliary contact block used to add extra signalling and control contacts to compatible ABB contactors.
What contact arrangement does this auxiliary block have?
The CA4-40EK provides 4 normally open auxiliary contacts for control and signalling applications.
How is the ABB 1SBN010146R1040 mounted?
The auxiliary contact block is designed for front mounting with a clip-on connection on compatible ABB contactors.
What terminal connection type does this contact block use?
The ABB 1SBN010146R1040 uses push-in spring clamp terminals for fast and reliable wiring.
Where is this auxiliary contact block typically installed?
The unit is typically installed inside industrial control panels, motor starters and automation systems requiring additional auxiliary switching contacts.
Trusted for Industrial Control Integration
ABB auxiliary contact blocks are widely used by automation engineers and electrical designers to expand contactor functionality, improve system feedback and create reliable industrial control solutions.
