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1SBN010155R1011 ABB CA4-11ERT 2 Pole Auxiliary Contact Block 1NO 1NC 690V
ABB CA4-11ERT auxiliary contact block with 1NO+1NC instantaneous contacts for expanding compatible ABB contactors in industrial control applications.
£12.42
Why Choose the ABB CA4-11ERT Auxiliary Contact Block?
The ABB CA4-11ERT is a compact 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 accessory range, it provides reliable auxiliary circuit switching for standard industrial environments.
This front-mounted auxiliary contact block features screw terminals for secure electrical connections and provides instantaneous auxiliary contacts for monitoring, interlocking and control circuit applications. It is designed for simple installation on compatible ABB contactors.
With a two-pole configuration and 1 normally open + 1 normally closed auxiliary contact, the CA4-11ERT provides additional switching functionality for ABB contactor installations where feedback and control signals are required.
Key Advantages
- Expands ABB contactors with additional auxiliary switching functions.
- 1 NO + 1 NC instantaneous contacts for control and feedback applications.
- Front-mounted design for straightforward installation.
- Screw terminals provide secure and reliable wiring connections.
- Suitable for standard industrial control environments.
- Compatible with a wide range of ABB AF contactors and contactor relays.
Key Features
- ABB CA4-11ERT auxiliary contact block.
- Two-pole front-mounted accessory.
- 1 normally open + 1 normally closed instantaneous auxiliary contacts.
- Screw terminal connections.
- Designed for ABB AF contactor and contactor relay ranges.
- Suitable for auxiliary and control circuit switching.
- Compact accessory design for electrical panels.
Reliable Auxiliary Switching for Industrial Control Systems
Auxiliary contact blocks such as the ABB CA4-11ERT provide additional signalling and control functions by allowing contactors to communicate their operating status with automation systems, PLCs and electrical control circuits.
The CA4 accessory range is designed for industrial engineers and panel builders requiring reliable expansion options for ABB contactors while maintaining compact installation and dependable operation.
Typical Applications
- Industrial automation control panels.
- Motor starter assemblies.
- Contactor status feedback circuits.
- Machine control systems.
- Electrical interlocking applications.
- OEM control equipment.
Technical Specifications
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| Terminal Type | Ring tongue | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | Auxiliary contact block | |
| Auxiliary Contacts | 1NO + 1NC | |
| Manufacturer | ABB | |
| Series | CA4 Auxiliary Contact Blocks | |
| Model | CA4-11ERT | |
| Product type | Auxiliary contact block | |
| Product ID | 1SBN010155R1011 | |
| Number of poles | 2 | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Mounting type | Front mounting | |
| Terminal type | Ring-tongue screw terminals | |
| Rated insulation voltage | 690 V | |
| Conventional free-air thermal current | 16 A | |
| Rated operational current AC-15 | 4 A at 220–240 V AC | |
| Protection rating | IP20 auxiliary terminals | |
| Dimensions (W × D × H) | 45 × 39.8 × 43 mm | |
| Weight | approx. 0.04 kg |
Frequently Asked Questions
What is the ABB CA4-11ERT used for?
The ABB CA4-11ERT is used to add auxiliary switching contacts to compatible ABB contactors for control, signalling and feedback applications.
How many auxiliary contacts does the CA4-11ERT provide?
The CA4-11ERT provides 1 normally open and 1 normally closed auxiliary contact.
How is the CA4-11ERT installed?
The auxiliary contact block is installed using a front-mounted connection arrangement on compatible ABB contactors.
What type of terminals does the CA4-11ERT use?
The CA4-11ERT uses screw terminals designed for secure auxiliary circuit connections.
Which products is the CA4-11ERT compatible with?
The CA4-11ERT is designed for use with compatible ABB AF contactors and contactor relays.
Trusted by Industrial Engineers Worldwide
ABB auxiliary contact blocks are widely used by automation engineers and panel builders to provide dependable signalling, monitoring and control expansion for industrial switching systems.
