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B32343C Datasheet(PDF) 6 Page - EPCOS |
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B32343C Datasheet(HTML) 6 Page - EPCOS |
6 / 6 page Power Capacitors B32343C Power Factor Correction Cautions Discharge and short circuit capacitor before handling! Mechanical damage In case of dents of more than 0.5 mm or any other mechanical damage, capacitors must not be used at all. Vibration resistance The resistance to vibration of capacitors corresponds to IEC 68, part 2–6. Max. test conditions: Test duration 2 h corresponding to max. 0.7 g Frequency range 10 ... 55 Hz corresponding to max. 0.7 g Displacement amplitude 0.75 mm corresponding to max. 0.7 g These figures apply to the capacitor alone. Because the fixing and the terminals may influence the vibration properties, it is necessary to check stability when a capacitor is built in and exposed to vibration. Irrespective of this, you are advised not to locate capacitors where vibration amplitude reaches the maximum in strongly vibrating equipment. Connection Make sure connection cables are of flexible type or flexible copper bands are used. This is mandatory to allow the overpressure disconnector work and avoid mechanical stress on the terminals and feed throughs. The connection cables to the capacitor should be designed for a current of at least 1.5 times the rated current so that no heat is conducted into the capacitor. If reactors are used in an application, the distance between reactor and capacitor must be great enough so that no heat of the reactors, which are operating at a much higher temperature level, is conducted via connection cable to the capacitors. Avoid bending cable lugs, cables or other mechanical force on the terminals. Otherwise leakages may set the safety device out of operation. Ensure firm fixing of terminals, fixing torque to be applied as per individual specification. Maximum specified terminal current (please refer to technical data of specific series) must not be exceeded at any case. Grounding The threaded bottom stud of the capacitor has to be used for grounding. In case grounding is done via metal chassis that the capacitor is mounted to, the layer of varnish beneath the washer and nut should be removed. Storage and operating conditions Do not use or store capacitors in corrosive atmosphere, especially where chloride gas, sulfide gas, acid, alkali, salt or the like are present. In dusty environments regular maintenance and cleaning especially of the terminals is required to avoid conductive path between phases and/or phases and ground. U Please read information about PFC capacitors and cautions as well as installation and maintenance instructions (Power Factor Correction Product Profile, actual version) to ensure optimum performance and prevent products from failing, and in worst case, bursting and fire, etc. Information given in the PFC-product profile and values given in the data sheet reflect typical specifications. You are kindly requested to approve our product specifications or request our approval for your specification before ordering. EPCOS AG 2004. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. FK PM PFC December 2004 Page 6 of 6 |
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