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1SBN010142R1122 ABB CA4-22MRT 4 Pole Auxiliary Contact Block 2NO 2NC 690V
ABB CA4-22MRT auxiliary contact block with 2NO and 2NC instantaneous contacts designed for ABB contactor control and signalling applications.
£17.97
Why Choose the ABB CA4-22MRT Auxiliary Contact Block?
The ABB CA4-22MRT (1SBN010142R1122) is a reliable auxiliary contact block designed for use with ABB contactors and contactor relays in industrial control and automation applications. As part of the ABB CA4 auxiliary contact block range, it provides additional signalling and control contacts to expand the functionality of compatible contactor systems.
This front-mounted auxiliary contact block features instantaneous switching contacts and screw-type connection terminals, providing secure installation and dependable operation in standard industrial environments. The compact four-pole design allows machine builders and control engineers to integrate additional auxiliary functions into motor control circuits.
With 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, the CA4-22MRT is suitable for monitoring, interlocking and control applications where reliable auxiliary switching is required. Its robust construction and ABB engineering ensure consistent performance in industrial electrical systems.
Key Advantages
- Front-mounted auxiliary contact block for ABB contactors.
- 2NO + 2NC instantaneous contacts for flexible control applications.
- Secure screw terminal connections for reliable wiring.
- Suitable for auxiliary and control circuits in industrial environments.
- Compact four-pole design for expanded contactor functionality.
- Designed to meet ABB contactor system requirements.
Key Features
- ABB CA4 auxiliary contact block series.
- Model: CA4-22MRT.
- Product code: 1SBN010142R1122.
- 4-pole front-mounted auxiliary contact block.
- 2 normally open (NO) contacts and 2 normally closed (NC) contacts.
- Rated operational voltage up to 690 V AC.
- Conventional free-air thermal current: 16 A.
- Screw-type connecting terminals with protection against accidental direct contact.
Reliable Auxiliary Switching for Industrial Control Systems
Auxiliary contact blocks such as the ABB CA4-22MRT provide additional electrical contacts that allow contactors to communicate operating status, control auxiliary circuits and support safety or interlocking functions within industrial systems.
The CA4-22MRT is designed for integration with ABB contactor solutions, helping engineers create dependable motor control panels and automation systems with improved monitoring and control capability.
Typical Applications
- Industrial motor control panels.
- Contactor status monitoring circuits.
- Machine automation systems.
- Electrical interlocking applications.
- Control and signalling circuits.
- OEM industrial equipment.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 4-pole | |
| Device Type | Auxiliary contact block | |
| Auxiliary Contacts | 2NO + 2NC | |
| Manufacturer | ABB | |
| Series | CA4 Auxiliary Contact Blocks | |
| Model | CA4-22MRT | |
| Product code | 1SBN010142R1122 | |
| Product type | Auxiliary contact block | |
| Mounting type | Front mounting | |
| Number of poles | 4 | |
| Auxiliary contacts | 2NO + 2NC | |
| Contact operation | Instantaneous | |
| Terminal type | Screw terminals | |
| Rated operational voltage | 24–690 V AC auxiliary circuit | |
| Conventional free-air thermal current | 16 A | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Product net weight | 0.05 kg |
Frequently Asked Questions
What is the ABB CA4-22MRT used for?
The ABB CA4-22MRT is an auxiliary contact block used to provide additional control and signalling contacts for ABB contactors and contactor relays.
How many auxiliary contacts does this device provide?
The CA4-22MRT provides four instantaneous auxiliary contacts consisting of 2 normally open (NO) and 2 normally closed (NC) contacts.
How is the CA4-22MRT installed?
The auxiliary contact block is designed for front mounting onto compatible ABB contactors and uses screw-type connection terminals.
What voltage rating does the auxiliary contact block support?
The CA4-22MRT supports auxiliary circuits with a rated operational voltage up to 690 V AC.
Where is this auxiliary contact block typically used?
The CA4-22MRT is commonly used in industrial control panels, automation systems and motor control applications.
Trusted by Industrial Control Engineers
ABB auxiliary contact blocks are widely used by machine builders and automation engineers to enhance contactor functionality, improve control flexibility and deliver reliable industrial electrical solutions.
