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Box Type AC DC Capacitors

Box Type AC DC Capacitors
Box Type AC DC Capacitors
Product Code : E56
Product Description

Box Type AC DC Capacitors

Standard range or special design large capacitances right as you will Thanks to the special kind of films and coating patterns used in our E56/E59 AC-DC Capacitors, clever winding geometries and refined internal construction, they unite large capacitance, very small self-inductance and high surge current sustaining capability (up to 700kA) as well as the possibility of high rms currents (up to 750A). Instead of flat pack windings, our capacitance is formed by compact cylindrical windings, avoiding the mechanical stress and instabilities at the edges of flat packs. Special terminals allow for additional reduction of the self-inductance. At the same time, they are extremely over voltage-proof. They are especially suited for buffer storage circuits of converters, filter circuits and such like. The capacitors are housed in aluminum or steel cases and filled with solid resin which makes them absolutely dry and leakage-proof. Their shape and dimensions can be adapted to the individual requirements of our customers.

Even at high operating temperatures, and after numerous self-healing dielectric breakdowns, the capacitance remains stable.

An irreversible pressure switch can be used for external monitoring of the internal pressure. It signals 0.5 atmospheres of pressure rise by closing (or optionally: opening) the contact, allowing for safe external disconnection in the event of overload or failure at the end of operating life.

Ranging from 53mF 900V DC to 1.45mF 5000V DC, AC voltages up to 10kV; exact ratings depending on customer specifications.

Technical Specifications




Stainless Steel/Aluminium

Filling Material

Solid polyurethane

Mounting Position


Fire Load

35 MJ/Kg


Ca.20-200nH(lower values on request)


Optional pressure switch for external monitoring of the internal pressure (hermetical construction only)

Available voltages

500-25000V DC

Rms current


Surge current


Cn tolerance


Insulation strength


Operating temperature


Storing temperature


Statistical life time failure rate

Per individual design

Contact Us

Plot No.W-170, Behind Indian Oil Depo, Opp. Right Industries, MIDC Ambad, Nashik, Maharashtra, 422010, India
Phone :+917259584426