Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB ca4-40u front mounted 4no instantaneous aux contact block
ABB CA4-40E front-mounted auxiliary contact block with 4 NO instantaneous contacts, screw terminals and compatibility with ABB AF and AFC contactors.
£15.14
Why Choose the ABB CA4-40U Auxiliary Contact Block?
The ABB CA4-40U (1SBN010140R1340) is a premium front-mounted auxiliary contact block designed to extend the functionality of ABB AF series contactors. Engineered for industrial motor control and automation applications, it provides additional auxiliary contacts for signalling, monitoring and interlocking circuits while maintaining a compact control panel layout.
Manufactured to ABB's renowned engineering standards, the CA4-40U delivers reliable switching performance in demanding industrial environments. Its front-mounted clip-on design enables quick installation, while screw terminal connections provide secure and dependable wiring for machine builders, panel manufacturers and maintenance engineers.
Featuring a 4 NO instantaneous contact configuration, the CA4-40U is ideal for expanding PLC interfaces, status indication and control circuits. The CA4-..U version is specifically designed with terminal markings matching compatible ABB AF(C)09...16(Z)(B)-30-01 contactors for simplified installation.
Key Advantages
- Front-mounted auxiliary contact block for ABB AF series contactors.
- 4 normally open (NO) instantaneous contacts.
- Compact design maximises valuable control panel space.
- Screw terminal connections provide secure industrial wiring.
- Quick clip-on installation.
- Ideal for signalling, monitoring and industrial automation applications.
Key Features
- ABB CA4-40U Auxiliary Contact Block.
- Manufacturer part number: 1SBN010140R1340.
- Front-mounted clip-on accessory.
- 4 NO instantaneous auxiliary contacts.
- Screw terminal connections.
- Compatible with ABB AF(C)09...16(Z)(B)-30-01 contactors.
- Rated operational voltage up to 690 V AC.
- Manufactured in accordance with IEC/EN 60947-5-1.
Reliable Auxiliary Contacts for Industrial Control Systems
Auxiliary contact blocks provide additional switching contacts for signalling, monitoring and automation within industrial electrical systems. The ABB CA4-40U integrates directly with compatible AF contactors, allowing engineers to expand control functionality without increasing enclosure space.
Its robust construction and ABB engineering make it an excellent choice for OEM machinery, motor control centres, manufacturing equipment and industrial automation systems requiring dependable auxiliary switching performance.
Typical Applications
- Industrial motor control panels.
- Machine building and OEM equipment.
- PLC monitoring and interface circuits.
- Electrical control cabinets.
- Industrial automation systems.
- Status indication and signalling circuits.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Screw | |
|---|---|---|
| Current | 6 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Device Type | Auxiliary contact block | |
| Series | CA4 | |
| Part number | 1SBN010140R1340 | |
| Product type | Auxiliary contact block | |
| Contact configuration | 4 NO | |
| Number of poles | 4P | |
| Mounting type | Front mounted | |
| Terminal type | Screw terminals | |
| Rated operational current | 6 A | |
| Rated operational voltage | 24 to 690 V AC / up to 600 V DC | |
| Rated insulation voltage | 690 V | |
| Impulse withstand voltage | 6 kV | |
| Conventional free-air thermal current | 16 A | |
| Electrical switching frequency | 1200 cycles/hour AC-15, 900 cycles/hour DC-13 | |
| Mechanical switching frequency | 3600 cycles/hour | |
| Mechanical durability | approx. 10 million operations | |
| Compatible contactors | ABB AF09...AF96 and AFC09...AFC38 series | |
| Operating temperature | approx. -40 °C to +70 °C | |
| Protection rating | IP20 | |
| Standards | IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 | |
| Dimensions (W × H × D) | approx. 46 × 46 × 46 mm | |
| Weight | approx. 0.055 kg |
Frequently Asked Questions
What is the ABB CA4-40U used for?
The CA4-40U provides four normally open auxiliary contacts for signalling, monitoring and control circuits when installed on compatible ABB AF series contactors.
What contact configuration does the CA4-40U provide?
It provides 4 normally open (NO) instantaneous auxiliary contacts.
Which ABB contactors is it compatible with?
The CA4-40U is designed for ABB AF(C)09...16(Z)(B)-30-01 series contactors.
How is the CA4-40U installed?
It clips onto the front of the compatible contactor and uses screw terminals for secure electrical connections.
What environments is it designed for?
The CA4-40U is designed for standard industrial environments requiring reliable auxiliary switching and control functions.
Trusted by Industrial Control Professionals
ABB auxiliary contact blocks are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for dependable switching performance, straightforward installation and long service life in industrial motor control applications.
