Custom 450V 40kvar Low voltage self healing shunt power capacitor

INTRODUCTION

Product Parameter

Technical Specifications

Application-specific reference parameters

Parameter	Reference / confirmation requirement
Product family	Self-healing shunt power capacitor
Headline rating	450V · 40kvar
Electrical duty	Confirm continuous, peak and transient voltage; waveform, frequency, current spectrum, switching or discharge conditions
Loss and heating	Series- and application-dependent; confirm ESR or dissipation, RMS current, thermal rise and cooling
Mechanical format	Metal enclosure with multi-terminal power connection; controlled dimensions and terminal drawing required
Environment	Temperature, humidity, altitude, enclosure, ventilation, contamination and mounting require application review
Final release basis	Controlled datasheet + drawing + quotation + approved sample

Product-specific note: 40kvar is a reactive-power rating. The corresponding capacitance depends on frequency, phase arrangement and connection, so the former 20µF statement is not used as approval data.

Product Information

Low-Voltage Power Factor Correction Capacitor

Design the kvar step, harmonics, switching and protection as one system

An industrial shunt power capacitor identified by the product title as 450V and 40kvar. It belongs to low-voltage power-factor-correction service, not DC-link energy buffering. Final selection must use the network frequency, phase connection, harmonic environment, switching method and protection design.

Electrical profile

Define working and transient voltage, waveform, current or reactive-power duty, frequency and fault conditions.

Thermal profile

Review loss, self-heating, ambient, ventilation, cooling path, duty cycle and service-life target.

Mechanical interface

Confirm body dimensions, terminals or leads, mounting, clearances, insulation and connection method.

Product-type decision

Reactive-power compensation is not DC-link filtering

40kvar is a reactive-power rating. The corresponding capacitance depends on frequency, phase arrangement and connection, so the former 20µF statement is not used as approval data.

Power-factor-correction banks

Define system voltage, frequency, phase connection, target kvar steps and controller sequence.

Industrial distribution panels

Review harmonic distortion, detuning reactor requirement, switching transients, ventilation and ambient.

Replacement and retrofit programs

Match enclosure, terminals, mounting, fuse and discharge provisions to the approved design.

Qualification workflow

Six checks from circuit definition to controlled supply

1. Define the function

State the circuit position, waveform, operating mode and expected fault or transient events.

2. Confirm electrical stress

Voltage, current or kvar duty, frequency, switching, harmonics, pulse or discharge conditions.

3. Calculate heating

Loss, RMS stress, ambient, ventilation, cooling path and permitted temperature rise.

4. Lock the interface

Outline, terminals or leads, mounting, insulation, clearances and connection hardware.

5. Approve samples

Electrical behavior, temperature rise, fit, connection, insulation and application testing.

6. Control supply

Selected series, drawing, marking, inspection, packing, traceability and change requirements.

Ordering information

Send engineering and commercial requirements together

Application functionCircuit position, equipment type, waveform and operating sequence

Electrical dutyRating, continuous and transient stress, frequency, current spectrum, switching or discharge

Thermal environmentAmbient, enclosure, ventilation, cooling, duty cycle and life target

Mechanical interfaceOutline, terminals or leads, mounting, clearance, insulation and connection

Commercial programSamples, order and annual quantity, marking, documents, packing and delivery

Documents and approval basis

Release the selected series—not a generic headline rating

Request the current controlled datasheet, dimensional drawing, installation or connection information, inspection reference, packing specification and order-specific compliance records.

Final approval basis: controlled datasheet, controlled drawing, quotation and approved sample.

Frequently asked questions