MKPP31B Low-Voltage Shunt Capacitor

Applications

Compensates inductive reactive power in the grid to improve power factor, reduce line losses and increase transformer utilization. Helps stabilize bus voltage and improve power supply stability. Can be installed near electrical equipment for local compensation, energy savings and voltage stabilization, or used in passive filters to suppress harmonics and improve power quality.

Features

• A range of products for different applications and industries.
• High-temperature polypropylene film and specialized encapsulation materials for overload capability and heat dissipation.
• Built-in pressure-operated protection device.
• Design and manufacturing processes developed through years of research.

Technical Specifications

Standards: GB/T 12747-2017; IEC 60831:2014
Rated voltage UN: 180–900 Vac
Rated reactive power QN: 1–120 kvar
Capacitance tolerance: −5% to +10%
Rated frequency fN: 50 / 60 Hz (50 Hz by default; specify 60 Hz when requesting a quotation or ordering)
Dissipation factor tan δ: ≤0.002 at 100 Hz
Terminal-to-terminal test voltage: 2.15 UN for 10 s
Terminal-to-case test voltage: 2 UN + 1,000 V or 3,000 Vac, whichever is greater, for 60 s at 50 / 60 Hz
Maximum permissible overvoltage: 1.1 UN for up to 8 h/day; 1.15 UN for up to 30 min/day; 1.2 UN for up to 5 min/day; 1.3 UN for up to 1 min/day
Maximum permissible overcurrent: 1.3 IN
Self-discharge: below 75 V within 3 minutes after disconnection
Ambient operating temperature: −25°C to +55°C (maximum 55°C; maximum 24-hour average 45°C; maximum annual average 35°C)
Storage temperature: 0–40°C; retesting required after more than 2 years of storage
Altitude: ≤2,000 m (standard); ≤4,000 m (high-altitude version)
Humidity: ≤95% RH
Expected life: 80,000 h (standard); 130,000 h (enhanced version)
Protection rating: IP20
Case options: tinplate, cylindrical aluminum or cold-rolled steel
Terminals: bolt or crimp type
Mounting: bottom bolt