Chint Moulded case switch disconnector NM8NSD 400A AC 4 poles 269594

Chint
Chint
CHT 269594 6941716406318

The moulded case switch disconnector Chint NM8NSD 400A 4 poles (269594) ensures reliable insulation up to 690 Vac, ideal for industrial panels and safe maintenance, with high insulation values and robust construction.

  • Standard: IEC/EN 60947-3

  • Number of poles: 4P

  • Rated current (In): 400 A

  • Rated voltage (Vn): 690 Vac

  • Frequency: 50/60 Hz

  • Insulation voltage (Ui): 1000 V 

  • Impulse voltage (Uimp): 12 kV

  • Rated making capacity (Icm): 8 kA

  • Short-time withstand current (Icw): 5 kA (1s)

  • Dimensions (H×W×D): 185 × 255 × 113 mm

  • Moulded case size: Frame 23

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Chint Moulded case switch disconnector NM8NSD 400A AC 4 poles 269594
€574.93
€574.93

€574.93
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€574.93

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Moulded case switch disconnector Chint 400A: safe insulation in power panels

The Chint NM8NSD 400A AC 4 poles is a moulded case switch disconnector designed to perform the switching function in electrical installations clearly and reliably. In a distribution board, correctly isolating a line means being able to carry out maintenance, expansions, and checks while reducing operational risks. The 4P configuration is particularly appreciated in industrial and tertiary sectors because it allows complete conductor isolation, offering a more orderly and consistent management of safety procedures.

IEC/EN 60947-3 compliance: a correct choice for professional applications

The reference standard IEC/EN 60947-3 identifies the requirements for switching and isolation devices. Choosing a compliant device means opting for a component designed to work in electrical panels with professional logic, where the goal is not only to switch off but to isolate reliably to make the system manageable during scheduled activities or urgent interventions.

Electrical performance: 690 Vac, Ui 1000 V and Uimp 12 kV

This switch supports a nominal voltage of 690 Vac, typical of industrial applications. The insulation voltage value Ui 1000 V contributes to greater dielectric robustness, while the impulse voltage Uimp 12 kV helps manage transient overvoltages, an important aspect in environments where switching and network disturbances can be frequent. In case of short conditions, the specifications Icw 5 kA (1 second) and Icm 8 kA define the device's ability to withstand stresses related to abnormal events, within the declared limits.

Installation in the panel: clear dimensions and orderly integration

With dimensions 185 × 255 × 113 mm, the NM8NSD is suitable for integrations on panels where a moulded case switch with a well-defined footprint is required. The Frame 23 size facilitates consistent matching with the panel architecture and wiring logic. It is a suitable solution for power lines, sub-panels, department isolations, technological systems, and power distributions.

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Data sheet

Type:
Molded case switch disconnectors
Voltage:
690V
Poles:
4P
Breaking capacity:
8KA
Amps:
400A
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