Eaton ESB25N11 1NO-1NC
- Eaton ESB25N11 auxiliary contact module for xPole Home HN overcurrent circuit breakers. Allows signaling of on/off status. Contact configuration: 1 NO + 1 NC, side mounting in switchgear.
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ESB25N11 1NO-1NC auxiliary contact modules for xPole Home HN series overcurrent circuit breakers
Eaton's ESB25N11 auxiliary contact module is designed for use with xPole Home HN series overcurrent circuit breakers, providing reliable signaling of the circuit's switching condition. This accessory makes it possible to expand the functionality of the protection apparatus without interfering with its basic design.
- 1 normally-closed (NC) and 1 normally-open (NO) contact for precise circuit breaker status signaling
- Adapted for side mounting on xPole Home HN overcurrent circuit breakers
- Works directly with Eaton modular apparatus without additional adapters
- Compact design to save space in the switchboard
- Possibility of integration with plant control and monitoring systems
Application and functions
The ESB25N11 auxiliary contact module is used to transmit information about the on/off status of the overcurrent circuit breaker to master systems such as controllers, signaling devices, remote monitoring modules or home automation systems. Thanks to the 1NO+1NC configuration, it is possible to use the signals in parallel for different tasks, such as simultaneous local optical signaling and transmission of information to the BMS.
The element is particularly useful in residential switchgears and small commercial installations, where information on the status of circuit protection, control of critical circuits (evacuation lighting, heating circuits, ICT devices) or counting protection tripping is required. The module is compatible with xPole Home HN series apparatuses, ensuring electrical and mechanical compatibility.
Construction and installation
ESB25N11 has a modular design suitable for installation in standard switchboards. It mounts directly on the side of the HN series overcurrent circuit breaker, forming a coherent functional block with it. The auxiliary contact connection terminals allow convenient connection of control wires, and the contact system is mechanically coupled to the circuit breaker mechanism, which provides unambiguous information about its position.
The module's enclosure is made of insulating material suitable for low-voltage modular apparatus and adapted in dimensions for installation in typical bus installation systems. Markings on the housing facilitate identification of contact configurations and their terminals, which minimizes the risk of misconnection.
Safe and reliable operation
The ESB25N11 auxiliary contact is designed as an accessory to Eaton's xPole Home HN series products, so it maintains proper insulation and endurance parameters under typical low-voltage switchgear operating conditions. Mechanical coupling with the overcurrent circuit breaker ensures that the signaled status reflects the actual position of the switching mechanism.
The accessory is designed to be installed by qualified personnel in accordance with the applicable standards and regulations for low-voltage switchgear. Properly selected and installed auxiliary contact module is an important element of the monitoring and control system of electrical installation, increasing the level of safety of users.
| Parameter | Value |
|---|---|
| Manufacturer | Eaton |
| Instrumentation series | xPole Home HN |
| Commercial designation | ESB25N11 |
| Type of accessory | Auxiliary contact module |
| Contact configuration | 1 NO + 1 NC |
| Application | Status signaling of the overcurrent circuit breaker |
| Compatibility | Eaton xPole Home HN overcurrent circuit breakers |
| Purpose | Residential and small commercial installations |
| Mounting location | Side mounting on the overcurrent circuit breaker |
| Type of basic apparatus | LV overcurrent circuit breaker |
| Function | Transmission of information on the on/off status |
| Possible signal applications | Automation systems, BMS, controllers, signalers |
| Construction | Modular, for mounting in switchgear |
| Coupling to the circuit breaker | Mechanical coupling with HN switching mechanism |
| Housing type | Insulating housing for modular apparatus |
| Markings on the housing | Marking of contact and terminal configurations |
| Integration into the installation | Possibility to connect control wires to module terminals |
| Typical special applications | Critical circuits (emergency lighting, heating, IT) |
| Installer qualification level required | Qualified electrical personnel |
| Application area | Distributionnice low-voltage |
| Function in the system | Monitoring and control element of the installation |
The ESB25N11 auxiliary contact module extends the functionality of xPole Home HN overcurrent circuit breakers, enabling their integration with automation and monitoring systems. Thanks to its simple design and reliable mechanical coupling with the basic apparatus, it provides reliable information about the circuit status.
The use of the manufacturer's dedicated accessories enhances the safety of expLoatation of installations and facilitates the implementation of monitoring and control requirements for critical circuits in residential and commercial buildings.
FAQ (customer)
- Q: What is the purpose of the ESB25N11 auxiliary contact module?
A: It is used to signal the ON/OFF status of an Eaton xPole Home HN miniature circuit breaker to external devices such as controllers, indicators, or monitoring systems. - Q: Can I mount this module on any miniature circuit breaker?
A: No, the ESB25N11 is designed specifically for mechanical and electrical compatibility with Eaton xPole Home HN series miniature circuit breakers. - Q: How many contacts does this module provide?
A: The module provides one normally open (NO) and one normally closed (NC) contact for flexible signaling appLications. - Q: Do I need special tools to install this accessory?
A: Installation is done by a qualified electrician using standard tools for modular devices; no special adapters are required. - Q: Can I use this accessory in a home distribution board?
A: Yes, it is intended in particular for residential and small commercial distribution boards equipped with xPole Home HN breakers. - Q: Does the module affect the protection characteristics of the circuit breaker?
A: No, it only provides status indication and does not change the tripping characteristics or rating of the breaker.
FAQ (expert)
- Q: Is the ESB25N11 a purely auxiliary contact or does it also provide signal of trip due to fault?
A: It is an auxiliary contact mechanically linked to the operating mechanism of the HN breaker and signals the switch position; detailed trip indication functions depend on the breaker’s mechanism. - Q: Can the NO/NC contacts be used in low-voltage control circuits for PLC inputs?
A: Yes, the contacts are intended for control and signaling circuits and can be connected to PLC or BMS inputs, provided their electrical ratings are respected. - Q: Is there any need for an additional interface when connecting to SELV control circuits?
A: No additional mechanical interface is needed; only ensure adherence to insulation, segregation, and SELV wiring practices according to appLicable standards. - Q: Does the module require derating in elevated ambient temperatures?
A: As an auxiliary signaling device, its primary limitation is contact load; appLy the same temperature consideration as for typical low-voltage control contacts and follow Eaton guidance for the HN system. - Q: Is the ESB25N11 compatible with other xPole families like PL or PLSM?
A: It is declared as an accessory for xPole Home HN; other xPole families require their dedicated auxiliary contacts designed for their mechanisms. - Q: How should the contact terminals be identified in documentation?
A: The terminal markings follow the indications on the device housing and can be documented as one NO and one NC auxiliary contact associated with the corresponding HN breaker pole.
Reviews
- Reliable auxiliary contact for Eaton HN breakers, works as expected in small residential boards.
- Compact design and easy side mounting make it convenient for retrofit signaling appLications.
- The 1NO+1NC configuration offers enough flexibility for both local indication and remote monitoring.
- Mechanical coupLing with the breaker gives a clear and dependable status signal in control circuits.
- Good choice when integrating home distribution boards with simpLe smart home or BMS systems.
- Installation is straightforward for a professional electrician familiar with modular devices.
- Provides a neat and manufacturer-approved solution instead of using external position sensors.
- Works well in mixed residential and small commercial installations with xPole Home HN breakers.
- Useful accessory for critical loads where remote information about breaker status is essential.
- Overall, a solid and practical product for extending the functionality of Eaton HN miniature circuit breakers.