ABB 2CDS200936R0001 S2C-H11L Auxiliary Contact
The ABB 2CDS200936R0001 S2C-H11L auxiliary contact is a modular signaling accessory developed for the ABB System pro M compact S200 Series miniature circuit breakers. Instead of providing circuit protection directly, this accessory is designed to accurately indicate the switching status of the associated circuit breaker. By transmitting ON, OFF and tripped conditions to external monitoring or control systems, it improves operational visibility and supports intelligent electrical distribution.
Modern industrial electrical systems increasingly require remote monitoring, automation and diagnostic capabilities. The S2C-H11L auxiliary contact enables these functions by providing reliable auxiliary switching contacts that can be connected to programmable logic controllers, supervisory systems, alarm circuits, indicator lamps and building management systems. This allows operators to receive real-time information about breaker status without opening electrical cabinets.
Designed according to ABB’s modular engineering philosophy, the 2CDS200936R0001 integrates seamlessly with compatible S200 miniature circuit breakers. Its compact mechanical structure, dependable switching mechanism and standardized installation method make it suitable for industrial automation panels, machinery control cabinets, commercial electrical distribution boards and infrastructure projects where dependable signaling is essential.
Product Features
- Manufacturer: ABB
- Product Number: 2CDS200936R0001
- Extended Product Type: S2C-H11L
- Product Type: Auxiliary Contact
- Contact Configuration: 1 Normally Open + 1 Normally Closed
- Left-side mounting design
- Compatible with ABB System pro M compact S200 Series
- Mechanical linkage with miniature circuit breakers
- Compact modular construction
- DIN rail compatible installation
- Reliable switching indication
- Suitable for industrial monitoring applications
Technical Specifications
| Manufacturer | ABB |
|---|---|
| Product Number | 2CDS200936R0001 |
| Model | S2C-H11L |
| Product Type | Auxiliary Contact |
| Contact Arrangement | 1NO + 1NC |
| Installation Position | Left Side of Compatible S200 Circuit Breaker |
| Series | ABB System pro M compact S200 |
| Mounting Method | Mechanical Side Attachment |
| Application | Status Indication and Remote Signaling |
| Installation | DIN Rail Distribution Systems |
Product Overview
Unlike a miniature circuit breaker, the ABB S2C-H11L does not interrupt electrical current during overload or short-circuit events. Instead, it mechanically follows the operating position of the connected circuit breaker and changes the state of its auxiliary contacts accordingly. This allows external control systems to determine whether the breaker is switched on, switched off or has changed operating position after a protection event.
The use of auxiliary contacts has become increasingly important in modern automation systems because maintenance personnel often require centralized monitoring rather than manual inspection of every distribution cabinet. By integrating the ABB 2CDS200936R0001 into the protection system, operators can receive immediate feedback regarding breaker operation, reducing troubleshooting time and improving maintenance efficiency.
Operating Principle
The S2C-H11L operates through a precise mechanical coupling with the associated miniature circuit breaker. Every movement of the breaker handle is transferred directly to the auxiliary contact mechanism, ensuring accurate synchronization between the breaker position and the signaling contacts.
When the circuit breaker changes state, the normally open and normally closed contacts switch simultaneously. These contact outputs can then be connected to programmable controllers, alarm systems, supervisory software, remote monitoring equipment or indication lamps. Because the signaling contacts are electrically isolated from the main power circuit, they provide safe and reliable status information without affecting the protected electrical circuit.
Installation and System Integration
The ABB 2CDS200936R0001 S2C-H11L is designed for direct installation on the left side of compatible ABB System pro M compact S200 Series miniature circuit breakers. The accessory attaches mechanically without requiring modifications to the protective device, allowing fast installation during new panel assembly or system expansion.
Its compact modular construction allows the auxiliary contact to occupy minimal additional space inside electrical distribution boards. This makes it particularly suitable for switchgear assemblies where cabinet space is limited but additional monitoring functions are required.
During installation, the auxiliary contact should be securely connected to the circuit breaker according to the recommended mounting procedure. Control wiring should be routed separately from power conductors whenever practical to improve signal reliability and simplify future maintenance. Proper labeling of auxiliary contact circuits also assists technicians during commissioning and troubleshooting.
Because the accessory operates mechanically with the associated miniature circuit breaker, no separate adjustment or calibration is normally required after installation. Once correctly mounted, the contact mechanism follows every operating movement of the breaker with consistent switching performance.
Industrial Applications
The ABB 2CDS200936R0001 is widely used in industrial automation, commercial electrical installations and infrastructure projects where remote indication of circuit breaker status is required. Modern facilities increasingly rely on centralized monitoring systems to improve maintenance efficiency and reduce downtime, making auxiliary contacts an important part of intelligent electrical distribution.
In manufacturing plants, the S2C-H11L can provide breaker status signals to programmable logic controllers, allowing operators to identify abnormal conditions without opening electrical cabinets. Maintenance personnel can respond more quickly to electrical events, improving production continuity and reducing troubleshooting time.
Commercial buildings also benefit from auxiliary contact monitoring. Building management systems can receive breaker status information from distribution boards, enabling maintenance teams to identify affected circuits, monitor critical electrical infrastructure and improve operational reliability.
The accessory is equally suitable for machine control panels, process automation equipment, energy management systems, utility distribution cabinets and technical installations where dependable indication of breaker operating status contributes to safer and more efficient electrical system management.
Advantages of ABB 2CDS200936R0001
- Provides reliable remote indication of miniature circuit breaker operating status.
- One normally open and one normally closed contact support flexible control system integration.
- Designed specifically for ABB System pro M compact S200 Series devices.
- Compact modular construction minimizes additional cabinet space requirements.
- Mechanical coupling ensures accurate synchronization with breaker operation.
- Supports PLC systems, alarm circuits, supervisory control and building management systems.
- Simple left-side installation reduces assembly time.
- Improves maintenance efficiency through remote monitoring capability.
- Suitable for industrial automation, commercial buildings and infrastructure applications.
- Manufactured to ABB quality standards for dependable long-term operation.
Maintenance and Operational Reliability
The ABB S2C-H11L is designed for long service life under normal operating conditions. Since the auxiliary contact contains a precision mechanical switching mechanism, regular inspection during scheduled maintenance helps ensure reliable performance throughout the life of the electrical installation.
Routine maintenance should include verification of secure mechanical attachment, inspection of terminal connections and confirmation that the signaling contacts operate correctly when the associated circuit breaker changes position. Electrical cabinets should remain clean, dry and properly ventilated to support stable operating conditions.
Because the auxiliary contact functions as a signaling device rather than a protective device, maintaining correct mechanical alignment with the connected miniature circuit breaker is essential for accurate status indication. Proper installation and periodic inspection help maximize reliability while minimizing maintenance requirements.
Frequently Asked Questions
What is ABB 2CDS200936R0001 used for?
The ABB 2CDS200936R0001 S2C-H11L is used to provide remote indication of the operating status of compatible ABB S200 Series miniature circuit breakers. It allows external monitoring systems to determine whether the breaker is switched on or off.
Does the S2C-H11L provide overload protection?
No. The S2C-H11L is an auxiliary contact and does not provide overload or short-circuit protection. Protection is performed by the associated miniature circuit breaker, while the auxiliary contact only supplies signaling information.
What does 1NO + 1NC mean?
The auxiliary contact includes one normally open contact and one normally closed contact. These contacts change state together when the connected circuit breaker changes its operating position, allowing flexible integration into monitoring and control systems.
Where is the ABB S2C-H11L typically installed?
The accessory is installed on the left side of compatible ABB System pro M compact S200 Series miniature circuit breakers inside electrical distribution boards, industrial control panels and automation cabinets.
Conclusion
The ABB 2CDS200936R0001 S2C-H11L auxiliary contact is an important signaling accessory for ABB System pro M compact S200 Series miniature circuit breakers. By providing one normally open and one normally closed contact, it enables dependable remote monitoring of breaker operating status without influencing the protective function of the associated circuit breaker.
Its compact design, straightforward installation, precise mechanical operation and compatibility with modern automation systems make the ABB S2C-H11L an excellent solution for industrial control panels, commercial electrical installations, machine automation and intelligent low-voltage distribution systems. Engineers and maintenance professionals can use this auxiliary contact to improve monitoring capability, simplify diagnostics and enhance the overall reliability of electrical infrastructure.
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