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This guide is for electricians, panel builders, and maintenance personnel working with electrical distribution systems. The Schneider Electric ComPacT NSX MCCB 3P 160A (model C16F3) offers optimized space and high breaking capacity for standard and specialized applications. A key benefit is its integration with the EcoStruxure Power architecture for enhanced system management. One caveat is that it is supplied without a trip unit, which must be ordered separately, requiring careful selection to match application needs.
| Series | ComPacT NSX |
|---|---|
| Model Part Number | C16F3 |
| Brand | Schneider Electric |
The base switch (C16F3) provides the fundamental switching and protection mechanism. A trip unit (thermal, magnetic, or electronic) must be selected and installed to define the specific overcurrent protection characteristics (e.g., overload delay, short-circuit threshold) required for the application.
The ComPacT NSX MCCB 3P 160A is designed for AC applications. Using it in DC circuits is not recommended and may lead to unsafe operation or failure.
Warranty information is typically provided by the authorized distributor or Schneider Electric. Please consult your sales representative or the product documentation for specific warranty terms.
Selection depends on the type of load, starting currents, and required protection coordination. Consult the Schneider Electric ComPacT NSX catalog and your electrical design specifications. Key factors include continuous current, motor characteristics, and fault level requirements.
The dimensions of the ComPacT NSX MCCB 3P 160A base switch are 105mm (width) x 161mm (height) x 86mm (depth).
Yes, the ComPacT NSX series complies with maritime specifications, making it suitable for marine applications where environmental resistance and reliability are critical.
Verify the selected trip unit's settings. A common cause is a magnetic trip setting that is too low for the inrush current of the connected load. Ensure the trip unit is correctly installed and compatible.
Confirm that the trip unit is correctly installed and functional. Check that the fault current is sufficient to exceed the trip unit's threshold. Ensure the MCCB is rated for the fault level present. If an electronic trip unit is used, check its diagnostic indicators.
Ensure all connections are clean, tight, and torqued to the manufacturer's specifications. Check that the conductor size is appropriate for the 160A rating. Inspect for any signs of corrosion or damage to the terminals.
Ensure you are using a trip unit specifically designed for the ComPacT NSX series and that it is oriented correctly. Refer to the trip unit's installation manual for precise instructions.
Setup: The C16F3 is a fixed mount base switch. Installation requires mounting directly onto a standardized DIN rail or a panel plate using appropriate hardware. Crucially, a compatible trip unit (sold separately) must be selected and installed into the designated slot on the MCCB. Ensure the trip unit's ratings and type (thermal, magnetic, electronic) match the application's requirements and the circuit's load profile. Wiring should be performed according to local electrical codes and standards, ensuring secure connections to the main terminals.
Compatibility: This MCCB is designed for use with Schneider Electric's ComPacT NSX series accessories, including various trip units (TMD, Micrologic), auxiliary contacts, and signaling modules. It is compatible with systems operating at up to 690 VAC (50/60 Hz). When using earth leakage protection, the operational voltage is limited to 440 VAC.
Care: Regular inspection of the MCCB is recommended. Check for any signs of damage, loose connections, or excessive heat. Keep the unit clean and free from dust and debris, especially around ventilation openings. Periodically test the trip functions if equipped with electronic trip units, following manufacturer guidelines. Ensure that any maintenance or testing is performed by qualified personnel.
