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CNW 903
Three-phase mains choke 4% Uk
Unique Selling Point
- Compact design
- Extended life-time of electrical consumers
- Low temperature rise
- Attenuation of current spikes up to 60%
- Reduction of input current up to 20%
- Low noise
- Production according to UL insulation system E251513 possible
Description
Power Noise Reduction - save up to 20% energy costs. A mains choker relieved the supply network by compensating the harmonics reactive power. The harmonics and commutation notches are reduced strongly. By using a mains choke the inverter electronics and DC-capacitors will be protected.
Starting currents and current peaks are reduced up to 60%. Mains chokes helps to comply with international power quality standards IEEE 519 or EN 61000-3-2.
- Rated voltage: U ≤ 3 x 500 V
- Short circuit: Uk 4% (400VAC/50Hz, INenn)
- Frequency: 50/60 Hz
- According to: EN 60289 / EN 61558
- Test voltage: L-L 2500 V, DC 1min; L-PE 2500 V, DC 1min
- Insulation class: T40/F
- Protection rating: IP00
- Climatic categorie: DIN IEC 60068-1
- Overload: 1,5 x INenn 1 min / h
- Design: mounted on footprint
Typical applications
- Drive systems for motor drives:
- Mechanical engineering
- Elevators / escalators
- Pipes
- Conveyor technology
- Ventilation and air conditioning
- Robotics
- Automation technology
- Power supplies
- Wind turbines
Technical Data
- Nominal Voltage : 3 x 500 V
- Rated current : 3-1200 A
- Inductance : 9,800-0,024 mH
Circuit example
