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Air circuit breaker DMX³4000, 4 poles 3200A with breaking capacity 50kA, fixed version - frame 4000

DMX³ 4000 LEGRAND

Air circuit breaker DMX³4000, 4 poles 3200A with breaking capacity 50kA, fixed version - frame 4000

REF. 028637 EAN. 3245060286378

DMX³ air circuit breakers offer optimal solutions to answer to protection requirements on the origin of the low voltage electrical installation (IEC/EN 60364-1)

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Description

DMX³ air circuit breakers offer optimal solutions to answer to protection requirements on the origin of the low voltage electrical installation (IEC/EN 60364-1)

Product charateristics
  • Breaking capacity of 50kA, according to EN/IEC standard 60947-2, suitable for protection of high power industrial installations
  • Rated insulation voltage of 1000V - Rated impulse withstand voltage of 12kV
  • Supplied with 1 faut signalling contact NO/NC + 4 auxiliary contacts NO/NC + rear terminals for horizontal connection with bars and door sealing
  • Can be equipped with releases (undervoltage and shunt releases), auxiliary contacts, motor operator and locking accessories
  • Can be transformed into draw-out version with conversion base
Recommendation / Restriction
  • Must be equipped with electronic protection unit type MP4 (adjustments accomplished by selector switches) or MP6 (adjustments through touchscreen), imperatively ordered together for factory assembled

The product's benefits

Installation
  • Electric and mechanical robustness, in addiction to breaking capacity and chances of accessorizing, are perfectly suited for increase continuity service looking at the plant energy efficiency and in respect of “green aspects”
Usage
  • Climatic condition according to IEC/EN 60947-1 Annex Q, Cat. F subject to temperature, humidity, vibration, shock and salt mist
Advantages
  • DMX³ platform provide a complete "project" approach in premium market segment, offering a range completely suitable for high power application

Technical characteristics

Rated permanent current Iu 3200 A
Rated voltage 230-690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz 50 kA
Overload release current setting 1280-3200 A
Adjustment range short-term delayed short-circuit release 1920-32000 A
Adjustment range undelayed short-circuit release 6400-50000 A
Device construction Built-in device fixed built-in technique
Integrated earth fault protection Yes
Suitable for DIN rail (top hat rail) mounting No
DIN rail (top hat rail) mounting optional No
Number of auxiliary contacts as normally closed contact 4
Number of auxiliary contacts as change-over contact 4
With switched-off indicator Yes
With integrated under voltage release Yes
Number of poles 4
Position of connection for main current circuit Back side
Type of control element Push button
Complete device with protection unit Yes
Motor drive integrated Yes
Motor drive optional Yes
Degree of protection (IP) IP30