MODULAR RACK
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MODULAR RACK
Product catalog summary
Product Overview
The CT series modular units are designed for easy installation in automatic power-factor correction equipment. They feature a galvanized sheet steel frame, three-pole contactors, high-capacity fuses, and dry-type capacitors. The units include flameproof connecting cables and copper bars for power connections.
The CT series modular units are designed for easy installation in automatic power-factor correction equipment. They feature a galvanized sheet steel frame, three-pole contactors, high-capacity fuses, and dry-type capacitors. The units include flameproof connecting cables and copper bars for power connections.
Specifications
The units are available in configurations with power ratings from 25 to 120 kvar and voltage ratings from 400 to 550 V. Dimensions are consistent across all units: 480 mm in length, 200 mm in width, and 345 mm in height.
The units are available in configurations with power ratings from 25 to 120 kvar and voltage ratings from 400 to 550 V. Dimensions are consistent across all units: 480 mm in length, 200 mm in width, and 345 mm in height.
Construction Technology
The design includes contactors for limiting resistors that close before the main contactors to reduce current peaks. Capacitors are isolated with a non-toxic dielectric mix and have an overpressure disconnecting safety device to prevent explosions or casing burns.
The design includes contactors for limiting resistors that close before the main contactors to reduce current peaks. Capacitors are isolated with a non-toxic dielectric mix and have an overpressure disconnecting safety device to prevent explosions or casing burns.
Installation Guidelines
Before installation, check the harmonic load of the power supply network. Connecting cables should be sized for 1.5 times the nominal current to accommodate tolerances and harmonic components. Adequate ventilation is necessary for optimal operation.
Before installation, check the harmonic load of the power supply network. Connecting cables should be sized for 1.5 times the nominal current to accommodate tolerances and harmonic components. Adequate ventilation is necessary for optimal operation.
Standards and Compliance
The units comply with CEI EN 60831-1/2 and IEC 831-1/2 standards, ensuring they meet capacity and voltage tolerances.
The units comply with CEI EN 60831-1/2 and IEC 831-1/2 standards, ensuring they meet capacity and voltage tolerances.
Technical Specifications
- Rated Voltage (Un): 400 V
- Rated Frequency: 50 Hz (60 Hz available on request)
- Capacitance Tolerance: -5% to +10%
- Temperature Class: -25°C to +50°C
- Maximum Ambient Air Temperature: 50°C
- Dielectric Losses: ≤ 0.2 W/kvar
- Total Capacitor Losses: ≤ 0.5 W/kvar
- Maximum Permissible Overvoltage: Overvoltage above 1.15Un is permissible for no more than 200 times during the capacitor's life.
- Maximum Permitted Current on Capacitor: 1.5 In
- Maximum Peak Value of Current Transient on Capacitor: ≤ 200 In
Installation and Operation
- Installation of Capacitive Units: Vertical on the bar system
- Power Supply Entry: Internal (reduction to 75 V within 1 min)
- Discharge Resistors: Continuous
- Service: Indoor - horizontal
- Cooling: Natural or forced air
- Degree of Protection: IP00
Reference Standards
- Equipment Standards: CEI EN 60439-1, IEC 439-1
- Capacitor Standards: CEI EN 60831-1/2, IEC 60831-1/2
Switching Operations
- Maximum Number of Switching Operations: 5000 per year according to IEC 60831-1
Additional Information
- Other characteristics can be made on request.
See more
All Enerlux catalogs and technical brochures
Regulators4 Pages
Medium and High Voltage Line60 Pages
Low-Voltage Line68 Pages
Archived catalogs
AUTOMATIC POWER-FACTOR EQUIPMENT23 Pages
THREE-PHASE CAPACITORS21 Pages
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.