SBH11 ABB SMISSLINE Auxiliary Switch

Description

SBH11 ABB SMISSLINE Auxiliary Switch

Product Dimensions：

Product Description (Detailed Explanation)

The SBH11 is an auxiliary switch that mounts to the side of SMISSLINE miniature circuit breakers (MCBs), residual current circuit breakers (RCCBs), or switch disconnectors. Its primary function is to provide remote status feedback.

Unlike a signal contact (which only trips on electrical faults), the SBH11 changes its state whenever the main device is switched—whether manually by an operator or automatically due to a fault. It features a high-reliability contact system (1NO + 1NC) that allows integration into monitoring circuits, PLCs, or building management systems.

Product Parameters (Technical Specifications)

Product Advantages (Key Benefits)

• Real-time Status Feedback: Provides immediate confirmation of whether a breaker is open or closed, which is vital for remote monitoring in unmanned stations.

• Seamless Integration: Designed specifically for the SMISSLINE pluggable system, ensuring a perfect mechanical fit and tool-free alignment with the primary device.

• Touch-Proof Safety: Maintains the “TP” (Touch Proof) integrity of the system, ensuring that personnel are protected from accidental contact with live parts.

• Dual Logic: Having both an NO and an NC contact allows for versatile logic programming (e.g., using one for an “ON” light and the other for a “System Ready” signal).

• Compact Footprint: Adds minimal width to the assembly, preserving space on the SMISSLINE socket base.

Precautions (Important Notes)

• Mounting Sequence: The auxiliary switch must be correctly latched onto the primary device before the device is plugged into the SMISSLINE socket base.

• Not a Fault Indicator: Remember that the SBH11 tracks mechanical position. If you specifically need to know if a breaker tripped due to a short circuit (vs. being turned off by hand), you should use a signal contact like the SBS10 instead.

• Current Limitation: Do not exceed the rated current of the auxiliary contacts (max 6A AC). These are for signaling/control purposes, not for driving high-power loads directly.

• Wiring Check: Ensure that the control wires are properly tensioned in the terminals to prevent vibration-induced signal loss.

Product Applications (Typical Use Cases)

• Data Centers: Providing status feedback to the DCIM (Data Center Infrastructure Management) system to monitor power distribution health.

• Critical Infrastructure: Monitoring the state of breakers in hospitals or airports where knowing the “Ready” status of backup circuits is mission-critical.

• PLC Input Signaling: Serving as a digital input to a PLC to confirm that a motor starter or circuit is energized before starting a process.

• Industrial Control Panels: Controlling indicator lamps on a cabinet door to show the status of internal power rails.

• BMS Systems: Integrating building lighting or HVAC power status into a centralized Building Management System via Modbus or BACnet I/O modules.

Shipping Port: Xiamen, China

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