Circutor OPTIM 5 P&P-70-440 Capacitor Bank

The OPTIM 5 P&P-70-440 capacitor bank is an automatic device designed for reactive power compensation in electrical installations where loads change rapidly and frequently. Its contactor-based switching enables a fast response to demand changes, improving power factor and reducing penalties for reactive power.

Thanks to its compact and robust design, and easy wall-mount installation, this capacitor bank is especially suitable for industrial and commercial environments with fluctuating load levels, ensuring reliability, efficiency, and long service life.

Main Applications

• Automatic reactive power compensation in networks with variable loads
• Industrial and commercial installations
• Electrical panels with rapid power variations
• Power factor improvement and penalty reduction

General Features

• Automatic capacitor bank with contactor-based switching
• 4-step configuration
• Wall-mount installation
• Automatic regulation via reactive power controller
• Compact design and easy installation

Electrical Data

• Reactive power: 58 kvar at 400 V
• Reactive power: 70 kvar at 440 V
• Operating voltage: 440 V
• Frequency: 50 Hz
• Recommended cable section: 50 mm²
• Step composition: 10 + 3 x 20 kvar
• Permissible continuous overload: 1.3 In
• Losses: < 0.5 W/kvar

Protection and Switching

• Step-by-step circuit breaker protection
• Discharge resistor: 75 V in 3 minutes
• Contactor operating voltage: 230 V
• Capacitance tolerance: -5% / +10%

Environmental Characteristics

• Class D operating temperature
• Average daily temperature: 45 °C
• Average annual temperature: 35 °C
• Maximum temperature: 55 °C
• Minimum temperature: -50 °C
• Maximum relative humidity (non-condensing): 80%
• Maximum installation altitude: 1000 m

Construction and Assembly

• Metal enclosure
• Colors: RAL 7035 grey / RAL 3005 maroon
• Protection rating: IP21
• Natural or forced thermal management depending on options
• Vertical wall mounting

Regulation and Control

• Reactive power controller with digital display
• Computer C model with Wi-Fi connectivity
• 6 or 12 relay outputs depending on configuration
• Measurement via current transformer In / 5 A

Available Options

• Manual switch at the main input
• Automatic switch at the main input
• Automatic switch with residual current protection
• Forced ventilation unit with thermostat
• Polycarbonate plate for direct contact protection
• Controller with network analyzer and three-phase measurement

Dimensions and Weight

• Dimensions: 600 x 740 x 260 mm (width x height x depth)
• Net weight: 31 kg

Standards

• IEC 60831-1
• IEC 61921
• IEC 60439

The OPTIM 5 P&P-70-440 capacitor bank is an effective and robust solution for automatic reactive power compensation in installations with fluctuating loads, combining advanced technology, easy installation, and a high level of operational reliability.