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ABB ca4-04m front mounted 4nc instantaneous aux contact block
ABB CA4-04M front-mounted auxiliary contact block with 4 NC instantaneous contacts, screw terminals and compatibility with ABB AF09 to AF16 contactors.
£15.14
Why Choose the ABB CA4-04M Auxiliary Contact Block?
The ABB CA4-04M Auxiliary Contact Block (Part Number: 1SBN010140R1104) is a premium front-mounted auxiliary contact block designed to expand the functionality of ABB contactors. As part of the reliable ABB CA4 accessory range, it provides 4 normally closed (4 NC) instantaneous auxiliary contacts for signalling, monitoring and control functions in industrial automation systems.
Designed for quick front mounting without requiring special tools, the CA4-04M offers a secure mechanical connection and dependable electrical performance. Its compact design makes it ideal for new installations and retrofit applications where multiple auxiliary contacts are required for interlocking, PLC inputs and machine control circuits.
Featuring 4 normally closed (4 NC) instantaneous auxiliary contacts, the CA4-04M is specifically designed for compatible ABB AF09, AF12 and AF16 contactors. Its screw terminal connections and maintenance-free construction ensure long-term reliability in demanding industrial environments.
Key Advantages
- Compact front-mounted auxiliary contact block.
- 4 normally closed (4 NC) instantaneous auxiliary contacts.
- Quick clip-on installation without special tools.
- Provides additional signalling, monitoring and interlocking functions.
- Reliable operation in industrial automation systems.
- Designed for compatible ABB AF09, AF12 and AF16 contactors.
Key Features
- ABB CA4 auxiliary contact block series.
- Part number: 1SBN010140R1104.
- Contact configuration: 4 NC.
- Front-mounted accessory.
- Instantaneous contact operation.
- Screw terminal connections.
- Compact and robust 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 | 1SBN010140R1104 | |
| Product type | Auxiliary contact block | |
| Contact configuration | 4 NC | |
| 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 | |
| Mechanical durability | approx. 10 million operations | |
| Compatible contactors | ABB AF09...AF16 series | |
| Operating temperature | approx. -40 °C to +70 °C | |
| Standards | IEC/EN 60947-5-1, UL 508, CSA C22.2 | |
| Dimensions (W × H × D) | approx. 43 × 43 × 39.5 mm | |
| Weight | approx. 0.055 kg |
Frequently Asked Questions
What is the ABB CA4-04M used for?
The CA4-04M provides four normally closed auxiliary contacts for signalling, monitoring and control functions on compatible ABB contactors.
How many auxiliary contacts does it provide?
The contact block provides 4 normally closed (4 NC) instantaneous auxiliary contacts.
How is the CA4-04M installed?
The auxiliary contact block clips directly onto the front of compatible ABB contactors for quick installation.
What is the protection rating?
The CA4-04M has an IP20 protection rating when installed correctly inside a control panel.
Which ABB contactors is it compatible with?
The CA4-04M is designed for compatible ABB AF09, AF12 and AF16 contactors.
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.
