EATON XTCEXSBN11 Auxiliary contact module

The Eaton XTCEXSBN11 is a high-performance, front-mounted auxiliary contact block from the XT series. It is designed to be used with XT IEC contactors and starters to provide additional control circuit signals for automation and motor control systems.

Product Specifications (Parameters)

These technical details define the operational limits and physical characteristics of the unit:

Key Product Advantages

• Space-Efficient Design: The front-mounting capability allows you to add control functionality without increasing the width of the contactor on the DIN rail.

• Reliability: Engineered with interlocking, "mirror contacts," ensuring that the NO and NC contacts cannot be closed simultaneously, which is critical for safety-related circuits.

• Easy Installation: Features a tool-free, snap-on assembly that reduces labor time during panel building.

• Global Standards: Fully compliant with IEC/EN 60947, UL, and CSA standards, making it suitable for international export projects.

Important Considerations (Notes)

1. Compatibility: Ensure the contactor frame size matches. The XTCEXSBN11 is specifically designed for the smaller frame XT line (typically up to 32A).

2. Wiring Integrity: Use calibrated torque drivers for the screw terminals to prevent loosening due to vibration, which can lead to overheating.

3. Circuit Separation: Note that auxiliary contacts are for control signaling only (e.g., PLCs, pilot lights, or interlocking) and should never be used to switch the primary motor load.

Common Applications

The XTCEXSBN11 is widely used in industrial automation environments, including:

• Motor Status Feedback: Signaling a PLC whether a motor is currently "On" or "Off."

• Electrical Interlocking: Preventing two contactors (like in a Reversing Starter) from engaging at the same time to avoid short circuits.

• Safety Logic: Integrating contactor status into emergency stop or safety relay loops.

• Local Indication: Wiring to panel-mounted pilot lights to show operational status to operators.

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