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ABB ca4-40e 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 AF26 to AF96 contactors.
£15.14
Why Choose the ABB CA4-40E Auxiliary Contact Block?
The ABB CA4-40E Auxiliary Contact Block (Part Number: 1SBN010140R1040) is a premium front-mounted auxiliary contact block designed to extend the functionality of ABB contactors and contactor relays. As part of the trusted ABB CA4 accessory range, it provides 4 normally open (4 NO) instantaneous auxiliary contacts for signalling, monitoring and control applications in industrial automation systems.
The CA4-40E is designed for quick front mounting without requiring special tools, providing a secure mechanical connection and dependable electrical performance. Its compact construction makes it ideal for both new installations and retrofit projects where multiple auxiliary contacts are required for control circuits, PLC interfacing and machine automation.
Featuring 4 normally open (4 NO) instantaneous auxiliary contacts, the CA4-40E is compatible with selected ABB AF09 to AF96 contactors and compatible NF contactor relays, making it an excellent choice for motor starters, switchgear, industrial control panels and automation systems.
Key Advantages
- Compact front-mounted auxiliary contact block.
- 4 normally open (4 NO) instantaneous auxiliary contacts.
- Simple clip-on installation without special tools.
- Provides multiple signalling and control functions.
- Reliable operation in industrial automation systems.
- Compatible with a wide range of ABB AF contactors and NF contactor relays.
Key Features
- ABB CA4 auxiliary contact block series.
- Part number: 1SBN010140R1040.
- Contact configuration: 4 NO.
- Front-mounted accessory.
- Instantaneous contact operation.
- Screw terminal connections.
- Compact and durable construction.
- Maintenance-free operation.
Expand Control Circuit Functionality
Auxiliary contact blocks provide additional switching contacts for signalling, electrical interlocking, status indication and PLC input monitoring without affecting the main power contacts of the contactor. This improves system flexibility while simplifying industrial control panel design.
The ABB CA4 series is widely specified by panel builders, machine manufacturers and maintenance engineers for dependable operation, straightforward installation and long service life across industrial automation applications.
Typical Applications
- Motor starter assemblies.
- Industrial control panels.
- PLC input and output circuits.
- Machine interlocking systems.
- Building automation equipment.
- Industrial automation and process control.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Current | 6 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | Auxiliary contact block | |
| Series | CA4 | |
| Part number | 1SBN010140R1040 | |
| 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 | 690 V AC / 600 V DC | |
| Rated insulation voltage | 690 V | |
| Impulse withstand voltage | 6 kV | |
| Conventional free-air thermal current | 16 A | |
| Mechanical durability | approx. 10 million operations | |
| Compatible contactors | ABB AF26...AF96 and AFC26...38 series | |
| Operating temperature | approx. -40 °C to +60 °C | |
| Standards | IEC/EN 60947-5-1, UL 60947-5-1 | |
| Dimensions (W × H × D) | approx. 43 × 43 × 39.5 mm | |
| Weight | approx. 0.055 kg |
Frequently Asked Questions
What is the ABB CA4-40E used for?
The CA4-40E provides four normally open auxiliary contacts for signalling, monitoring and control functions on compatible ABB contactors and contactor relays.
How many auxiliary contacts does it provide?
The contact block provides 4 normally open (4 NO) instantaneous auxiliary contacts.
How is the CA4-40E installed?
The auxiliary contact block clips directly onto the front of compatible ABB contactors and contactor relays for quick installation.
What is the protection rating?
The CA4-40E has an IP20 protection rating when installed correctly inside a control panel.
Which ABB contactors is it compatible with?
The CA4-40E is suitable for compatible ABB AF09 to AF96 contactors and NF contactor relays.
Trusted by Control Panel Builders Worldwide
ABB CA4 auxiliary contact blocks are trusted by OEMs, system integrators and industrial maintenance engineers for reliable signalling, straightforward installation and dependable long-term performance.
