Schneider Electric ComPacT NSX160N

Schneider Electric’s ComPacT NSX160N is a high-performance Interruttore automatico scatolato (MCCB), primarily used for overload protection, protezione da cortocircuito, and isolation functions in low-voltage power distribution systems.

1. Basic Parameters and Design

Corrente del fotogramma: 160UN (adjustable range: 112-160UN)

Capacità di interruzione: Class N (50IL), suitable for 380-415V AC systems; up to 90kA at 220V, and reduced to 10kA at 690V

Numero di poli: 3P or 4P (In the 4P model, il filo neutro (N) is located on the left; the 3D design indicates that the N wire is not involved in protection)

Tensione nominale: 690V e (50/60Hz), meeting the power distribution needs of most industrial and commercial applications

Tipo di unità di sgancio: TMD (Sganciatore termomagnetico), fornendo sovraccarico (l) and short-circuit (IO) protezione, compreso:

Protezione da sovraccarico (E): Adjustable range of 0.7-1×In (160UN)

Protezione da cortocircuito (II): Fixed value of 1250A (circa 7.8 volte la corrente nominale)

1. Structure and Installation

Metodo di installazione: Supports fixed, collegare, e montaggio estraibile, enabling flexible adaptation to different cabinet designs

Dimensioni complessive:

4Modello P: Width 140mm × Height 161mm × Depth 86mm, weight 2.6kg

3Modello P: The width may be narrower (105mm according to some data), and confirmation is required based on the specific model

Metodo di connessione: Front connection design, with a terminal spacing of 35mm, supporting horizontal or vertical installation

III. Functions and Certifications

Funzioni di protezione:

Tipo base: Provides long-time overload (l) and instantaneous short-circuit (IO) protezione, conforme alla CEI 60947-2 standard

Optional expansion: Protezione dalle perdite, undervoltage tripping, telecomando (per esempio., MX/MN coils) can be realized by adding modules

Funzione di isolamento: Complies with the EN/IEC 60947-2 standard and can be used as an isolator

Adattabilità ambientale:

Temperatura operativa: -25°C fino a +70°C, umidità ≤95% (nessuna condensa)

Certificazioni: CCC, EAC, Marine certifications, adatto per industriale, commerciale, and marine environments

1. Scenari applicativi

Sistemi di distribuzione dell'energia: Used as a main switch or branch switch to protect circuits for motors, illuminazione, and mixed loads

Controllo industriale: Cooperates with devices such as contactors and relays to build automatic control circuits

Energia rinnovabile: Suitable for overcurrent protection in distributed generation systems such as solar energy and wind energy

1. Replacement and Upgrading

Modelli sostitutivi: Per un potere di interruzione maggiore, NSX160H (70IL) or NSX160L (100IL) può essere selezionato

Digital Upgrading: The new generation of ComPacT NSX series (per esempio., NSX160N-D) supports the EcoStruxure Power architecture and can integrate functions such as wireless monitoring, energy metering, and service life prediction

1. Raccomandazioni per la selezione
2. Corrispondenza attuale: Calculate the rated current (In) based on the load, and ensure that the trip unit setting covers the normal operating current
3. Capacità di interruzione: Select the breaking capacity class (N/H/L) according to the short-circuit current level at the installation location
4. Espansione accessoria:

Contatto ausiliario (OF): Used to indicate the status of the circuit breaker

Motorized Operating Mechanism (MT): Enables remote switching on and off

Modulo perdite (Vigi NSX): Provides residual current protection

VII. Precauzioni

Specifiche di installazione: Must comply with IEC 60947-2 and local electrical installation standards, and ensure that the terminal torque meets the requirements

Raccomandazioni per la manutenzione: Regularly inspect the contact wear condition; clean the arc-extinguishing chamber and test the tripping characteristics every 2-3 anni