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1SBN010146R1104 ABB CA4-04MK Auxiliary Contact Block 4NC Front Mount
ABB 1SBN010146R1104 CA4-04MK auxiliary contact block designed to expand contactor control circuits with additional normally closed signalling and monitoring contacts.
£14.71
Why Choose the ABB 1SBN010146R1104 CA4-04MK Auxiliary Contact Block?
The ABB 1SBN010146R1104 is a compact and reliable CA4-04MK auxiliary contact block designed to expand the control and signalling capabilities of ABB contactors and contactor relays in industrial automation systems. As part of the ABB CA4 auxiliary contact block series, it provides additional auxiliary contacts for monitoring, interlocking and control circuit applications.
This four-pole front-mounted auxiliary contact block features a clip-on design with 4 normally closed instantaneous contacts, allowing engineers to extend contactor functionality without replacing the main switching device. The CA4 series is designed for standard industrial environments and integrates with compatible ABB AF contactors and contactor relays.
With a 4 A AC-15 operational current rating at 230 V AC, a 690 V rated insulation voltage and a compact front fastening design, the ABB 1SBN010146R1104 is suitable for auxiliary switching, electrical interlocking, PLC feedback and industrial control panel applications.
Key Advantages
- Dedicated ABB CA4 auxiliary contact block for contactor expansion.
- 4 normally closed auxiliary contacts for flexible control circuit design.
- Front-mounted clip-on construction for quick and simple installation.
- Compact design helps optimise electrical panel layouts.
- Reliable auxiliary switching for industrial control and automation systems.
- Compatible with selected ABB AF contactors and contactor relays.
Key Features
- ABB CA4-04MK auxiliary contact block series.
- 4 normally closed instantaneous contacts.
- Front fastening mounting arrangement.
- Push-in spring terminal connection system.
- 4 A AC-15 rated operational current at 230 V AC.
- 690 V rated insulation voltage.
- Clip-on installation for compatible ABB contactors.
- Suitable for auxiliary and control circuits in industrial environments.
Reliable Auxiliary Switching for Industrial Control Systems
Auxiliary contact blocks such as the ABB CA4-04MK provide additional switching points that allow contactors to communicate operating conditions, control external circuits and create electrical interlocking functions within industrial automation systems.
The ABB CA4 series provides a simple and reliable method of extending contactor functionality while maintaining compact panel design, efficient installation and dependable 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 | CA4-04MK | |
| Part number | 1SBN010146R1104 | |
| Product type | Auxiliary contact block | |
| Number of contacts | 4 | |
| Contact configuration | 4 NC | |
| Contact operation | Instantaneous | |
| Mounting type | Front mounting / clip-on | |
| Connection type | Push-in spring terminals | |
| Rated operational current AC-15 | 4 A at 230 V AC | |
| 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 1SBN010146R1104 used for?
The ABB 1SBN010146R1104 is an auxiliary contact block used to add extra normally closed contacts to compatible ABB contactors and control devices.
What contact arrangement does this auxiliary block have?
The CA4-04MK provides 4 normally closed instantaneous auxiliary contacts for control and signalling applications.
How is the ABB 1SBN010146R1104 mounted?
The auxiliary contact block is designed for front mounting with a clip-on connection on compatible ABB contactors.
What is the current rating of this auxiliary contact block?
The ABB 1SBN010146R1104 has a 4 A AC-15 operational current rating at 230 V AC.
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.
