CHINT ATS NH40SZ  Automatic Changeover Switch

NH40SZ CHINT ATS Automatic Changeover Switch

CHINT ATS  NH40SZ automatic changeover switch disconnector integrates electrical and mechanical interlocking systems to guarantee safe transfer operation.

It is applicable for the three-phase four-wire power supply system of AC 50Hz, rated voltage AC 380V, and rated current up to 3150A.

This CHINT automatic changeover switch can realize automatic and manual changeover between normal and backup power supply power, and stop power supply to load when the changeover process of the power supply is carried out.

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Features of Chint ATS NH40SZ

  • Reasonable structure, small volume, nice appearance, provided with protective shield, safer and more reliable power supply.
  • Complete protective functions, including short circuit, overload, open phase, and loss-of-voltage protection.
  • Noiseless, energy saving, simple installation, easy operation, reliable and stable performance.

Applications of Chint ATS NH40SZ

  • Fire-fighting equipment
  • Smoke Extract Fans
  • Sprinkler pumps
  • Emergency lights

Specification of Chint ATS NH40SZ

Conventional thermal current (A) 16 32 40 63 80 100 125 160 200 250 315 400 630 800 1000 1250 1600 2000 2500 3150
Ie (A) 16 32 40 63 80 100 125 160 200 250 315 400 630 800 1000 1250 1600 2000 2500 3150
Ui(V) 660 800
Uimp(V) 8 12
Ue, Us Ue=400V; Us=220V
Rated making and breaking capacity 6Ie
Icw (KA) 5 10 12.6 50 50
Converting time (S) ≤3s ≤4s
Rated controlling capacity (W) Startup 300 325 355 400 600
Natural 55 62 74 98 120
Operation force (N) 30~50 40~60 65~100 75~120 200~300 250~400

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