Power Capacitors Power Factor Correction B25667B4127A375 MKK440-D-7.5-01 Construction Dimensional drawing Dielectric: Polypropylene film Gas-impregnated / dry type Concentric winding Wave cut Extruded round aluminum can with stud Provided with ceramic discharge module Triple safety system Features Three phase, delta connected Self-healing technology Naturally air cooled (or forced air cooling) Indoor mounting Typical applications For Power Factor Correction Terminals SIGUT terminals Mounting parts Threaded stud at bottom of can (max. torque = 10 Nm for M12) Technical data and specifications Characteristics Rated capacitance CR 3 x 41 µF Tolerance -5 / +10% Connection D (Delta) Rated voltage VR 440 VAC Rated frequency fR 50 Hz 60 Hz Output 7.5 kvar 9 kvar Rated current IR 10 A 12 A tanδ (dielectric) 0.2 W / kvar Edition 1. 10.03.05 FK PFC RD / VA Page 1 of 3 Power Capacitors Power Factor Correction B25667B4127A375 MKK440-D-7.5-01 Maximum ratings Label design Umax (up to 8 h daily) 480 VAC Umax (up to 1 min) 570 VAC Imax 1.3 x IR (A) IS 200 x IR (A) Test data UTT 950 VAC / 50 Hz during 10 s UTC 3,000 VAC / 50 Hz during 10 s tanδ (50 Hz) ≤ 0.5 W / kvar Climatic category / -40/D Tmin (-) 40 ºC Tmax (+) 55 ºC Humidity av. rel. < 95% Maximum altitude 4,000 m Mean life expectancy tLD Up to 115,000 hours Max. 5000 switchings per year acc. to IEC 60831 Design data Dimensions (∅ x l) 121.6 x 164 mm Weight approx 1.2 kg Impregnation Dry, inert gas Fixing Threaded bolt M12 Max. torque (Al can stud) 10 Nm Mounting position Any mounting position possible. See “Maintenance and Installation Manual” for further details. Edition 1. 10.03.05 FK PFC RD / VA Page 2 of 3 Power Capacitors Power Factor Correction B25667B4127A375 MKK440-D-7.5-01 Terminals Degree of protection Isolated terminals, IP20 Max. torque 1.2 Nm Terminal cross section 16 mm2 (5 AWG) Maximum terminal current 50 A Creepage distance 12.7 mm Clearance 9.6 mm Safety Mechanical safety Overpressure disconnector Max. short circuit current (AFC: 10 kA) Discharge resistor time ≤ 1 min (75 V) Reference standards IEC 60831-1/2, UL 810-5th edition Certification: cUL file E238746 U Please read information about PFC capacitors and cautions as well as installation and maintenance instructions (Power Factor Correction Product Profile, actual version, and Installation and Maintenance Instructions for PFC-capacitors, available in the Internet) to ensure optimum performance and prevent products from failing, and in worst case, bursting and fire. 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 2005. All Rights reserved. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. The information contained in this data sheet describes the type of component and shall not be considered as guaranteed characteristics. 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. Edition 1. 10.03.05 FK PFC RD / VA Page 3 of 3