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OA3L11 ABB 1NO + 1NC Auxiliary Contact
ABB OA3L11 auxiliary contact with 1NO and 1NC contacts designed for OT125M modular switch-disconnector status monitoring applications.
£15.15
Why Choose the ABB OA3L11 Auxiliary Contact?
The ABB OA3L11 is a reliable 1NO + 1NC auxiliary contact accessory designed for ABB OT125M modular switch-disconnector applications. As part of the ABB OT/OETL Accessories range, it provides electrical status indication and control signalling for compatible switching devices.
This auxiliary contact enables remote monitoring of the switch position by providing additional normally open and normally closed contacts. It is designed as the replacement for the superseded OAX3L11 accessory, providing continued compatibility for ABB modular OT125M switchgear applications.
The OA3L11 auxiliary contact provides one normally open contact and one normally closed contact for integration into control circuits, signalling systems and automation applications requiring switch status feedback.
Key Advantages
- Reliable ABB auxiliary contact accessory for switch status indication.
- 1NO + 1NC contact configuration for flexible control applications.
- Designed for ABB OT125M modular switch-disconnector installations.
- Enables remote indication of switch operating status.
- Supports integration with industrial control and automation systems.
- Replacement accessory for superseded auxiliary contact versions.
Key Features
- ABB OT/OETL accessory series.
- OA3L11 auxiliary contact.
- Accessory type: Auxiliary contact block.
- Contact configuration: 1NO + 1NC.
- Compatible switch range: ABB OT125M modular switches.
- Provides electrical feedback of switch position.
- Suitable for control circuit and signalling applications.
- Supersedes previous OAX3L11 auxiliary contact accessory.
Reliable Switch Status Monitoring for Control Systems
Auxiliary contacts provide essential feedback from electrical switching devices, allowing control systems to monitor operating status and improve system visibility. The ABB OA3L11 provides dependable contact signalling for compatible OT125M modular switch installations.
ABB OT/OETL accessories are designed to improve functionality, safety and integration of low voltage switching systems. The OA3L11 supports professional electrical installations requiring reliable switch position feedback.
Typical Applications
- ABB OT125M modular switch-disconnector systems.
- Industrial control panels.
- Electrical distribution boards.
- Automation and monitoring systems.
- Machine control installations.
- Low voltage switchgear assemblies.
Technical Specifications
| Series | OT/OETL Accessories |
|---|---|
| Product type | Auxiliary contact |
| ABB order code | 1SCA022555R9950 |
| Previous order code | OAX3L11 |
| Contact configuration | 1NO + 1NC |
| Compatible device | ABB OT125M modular switch-disconnector |
| Product group | 311020-OT/OETL Accessories |
| Mounting type | Internal switchgear accessory installation |
Frequently Asked Questions
What is the ABB OA3L11 used for?
The ABB OA3L11 is an auxiliary contact accessory used to provide switch position feedback for compatible ABB OT125M modular switch-disconnectors.
What contact configuration does the OA3L11 provide?
The ABB OA3L11 provides a 1NO + 1NC auxiliary contact configuration.
Which ABB switch is the OA3L11 designed for?
The OA3L11 is designed for compatible ABB OT125M modular switch-disconnector applications.
What replaced the previous auxiliary contact version?
The ABB OA3L11 supersedes the previous OAX3L11 auxiliary contact accessory.
Where is this accessory typically installed?
The auxiliary contact is typically installed inside ABB switchgear assemblies where electrical status monitoring is required.
Trusted by Electrical Engineers Worldwide
ABB OT/OETL accessories provide reliable control, monitoring and mechanical solutions for low voltage switchgear installations, helping engineers build safe and efficient electrical systems.
