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1SBN010146R1131 ABB CA4-31MK Auxiliary Contact Block 3NO 1NC Front Mount
ABB 1SBN010146R1131 CA4-31MK four pole auxiliary contact block with 3 normally open and 1 normally closed contacts for industrial control applications.
£14.71
Why Choose the ABB 1SBN010146R1131 CA4-31MK Auxiliary Contact Block?
The ABB 1SBN010146R1131 is a compact and reliable four-pole auxiliary contact block designed for expanding control and signalling functions in industrial switching applications. As part of the ABB CA4 auxiliary contact block series, the CA4-31MK provides dependable auxiliary switching for ABB contactors and contactor relays used in automation and electrical control systems.
This front-mounted auxiliary contact block is designed to provide additional instantaneous auxiliary contacts for control circuits, electrical interlocking and status indication. The push-in spring terminal connection enables fast installation while maintaining secure and reliable wiring in industrial environments.
Featuring 3 normally open and 1 normally closed auxiliary contacts, a 690 V rated insulation voltage and a 16 A conventional free-air thermal current, the ABB 1SBN010146R1131 is suitable for industrial control panels, motor starters and automation systems requiring additional contact functionality.
Key Advantages
- Four-pole auxiliary contact block for expanding contactor control functionality.
- 3 NO + 1 NC contact configuration for flexible signalling and interlocking applications.
- Push-in spring terminals for fast and secure electrical installation.
- 690 V auxiliary circuit rating for industrial control applications.
- Front mounting design for simple installation on compatible ABB contactors.
- Compact construction suitable for industrial automation equipment.
Key Features
- ABB CA4 auxiliary contact block series.
- CA4-31MK contact block type.
- 3 normally open auxiliary contacts.
- 1 normally closed auxiliary contact.
- Front mounting / clip-on installation.
- Push-in spring terminal connection.
- Rated operational current AC-15: 4 A at 220–240 V.
- Rated operational voltage: 24–690 V auxiliary circuit.
Reliable Control Expansion for Industrial Automation
Auxiliary contact blocks such as the ABB 1SBN010146R1131 provide additional switching points for industrial control systems, enabling equipment status monitoring, electrical interlocking and automation logic functions.
The ABB CA4 range is designed for integration with ABB contactors and contactor relays, providing dependable auxiliary switching performance in control panels, machinery and industrial electrical installations.
Typical Applications
- Industrial control panels.
- Motor starter circuits.
- Contactor interlocking systems.
- Machine automation equipment.
- Electrical signalling and status indication.
- OEM industrial control applications.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Device Type | Auxiliary contact block | |
| Manufacturer | ABB | |
| Series | CA4 Auxiliary Contact Blocks | |
| Model | 1SBN010146R1131 | |
| Alternative type | CA4-31MK | |
| Product type | Auxiliary contact block | |
| Number of contacts | 4 | |
| Contact configuration | 3 NO + 1 NC | |
| Mounting type | Front mounting | |
| Connection type | Push-in spring terminals | |
| Rated operational voltage | 24–690 V auxiliary circuit | |
| Conventional free-air thermal current | 16 A | |
| Rated operational current AC-15 | 4 A at 220/240 V | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Protection rating | IP20 auxiliary terminals | |
| Weight | approx. 0.05 kg |
Frequently Asked Questions
What is the ABB 1SBN010146R1131 used for?
The ABB 1SBN010146R1131 is an auxiliary contact block used to add additional control, signalling and interlocking contacts to compatible ABB contactors and contactor relays.
How many contacts does the CA4-31MK have?
The ABB CA4-31MK provides four auxiliary contacts consisting of 3 normally open and 1 normally closed.
How is the ABB 1SBN010146R1131 installed?
The auxiliary contact block is designed for front mounting on compatible ABB contactors and contactor relays.
What connection type does this auxiliary contact block use?
The ABB 1SBN010146R1131 uses push-in spring terminal connections for quick and secure wiring.
Where is this auxiliary contact block typically installed?
The contact block is typically installed inside electrical control panels, motor starters and industrial automation systems.
Trusted by Industrial Automation Engineers
ABB CA4 auxiliary contact blocks are widely used in industrial control applications to provide reliable signalling, monitoring and interlocking functionality in modern automation systems.
