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Download 230/400 V 3-phase AC, secondary voltage: 24 V DC
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11.4 Power Supply Unit 07 NG 36 R1 primary voltage: 230/400 V 3-phase AC, secondary voltage: 24 V DC, 20 A The 07 NG 36 power supply unit generates a 24 V DC voltage from a three-phase mains voltage of 230 V AC or 400 V AC. The output voltage is gained by using a 3-phase bridge-connected rectifier. Together with a filter capacitor, this guarantees a small ripple content of the voltage. The power supply unit has a load capability of 20 A. It is suitable for applications in electronic control systems. A green LED indicates that the output voltage is present. The electrical connections are made via screw-type terminals. With 3-phase mains voltage of 230 V, the primary windings of the transformer are delta-connected, with 3-phase mains voltage of 400 V, the windings are starconnected (see Fig. 11.4-1). Cable grips fasten the cables. There is an electrical isolation between the primary and the secondary voltage according to VDE 0551 (safety electrical isolation). The secondary voltage is protected by a built-in B-type automatic circuit-breaker. The primary voltage (mains) has to be protected by external fuses. The power supply is fastened by 4 screws M6 (see Fig. 11.4-2, Drilling pattern). The power supply unit must be mounted so that the convection air current is not disturbed. Configuration set by the factory: 400 V 3-phase AC 230 V 3-phase AC Fig. 11.4-1: Imprinted circuit diagram and terminal diagrams for 230 V and 400 V 3-phase AC Advant Controller 31 / Issued: 09.99 Hardware 11-11 07 NG 36 2 These wire straps are assembled by the factory for connection in star-configuration with 400 V 3-phase AC. 3-phase mains connection 230/400 V AC, for details see fig. 15.14-1 Cable grip for 24 V cable Cable grip for mains cable Automatic circuit breaker B 20 A max. 200 mm, cable grips and wire straps included Green LED display: 24 V DC present Output voltage 24 V DC, 20 A 6.5 The power supply unit has a height (depth if mounted on rear panel) of approx. 136 mm Fig. 11.4-2: 2 Drilling pattern and outline dimensions of the power supply unit 07 NG 36 11-12 Hardware Advant Controller 31 / Issued: 09.99 Technical data Electrical data, input specifications Primary voltage 230 V 3-phase AC Rated voltage Limiting values Mains frequency Current consumption with no load with rated load Fusing, primary 230 V 3-phase AC 207...253 V AC 50 or 60 Hz approx. 0.35 A approx. 1.70 A external Primary voltage 400 V 3-phase AC Rated voltage Limiting values Mains frequency Current consumption with no load with rated load Fusing, primary 400 V 3-phase AC 360...440 V AC 50 or 60 Hz approx. 0.25 A approx. 1.00 A external Max. conductor cross section of the terminals 2 x 1.5 mm2 Electrical data, output specifications Secondary voltage (output voltage) Rated voltage Limiting values Max. ripple content Indication "voltage present" 24 V DC 19.2...30 V DC <2% by green LED Output load capability Rated current (permitted continuous load) 20 A Max. conductor cross section of the terminals 2 x 4 mm2, plus and minus poles are assigned to two terminals each (in parallel) Mechanical data Mounting by 4 screws M6 Mechanical dimensions Mounting base Height (depth if mounted on rear panel) 268 x 200 mm, see Fig. 11.4-2, Drilling pattern 136 mm Weight 15 kg Cooling The power supply unit must be mounted so that the convection air current is not disturbed. Ambient temperature max. 55 °C (at 100 % load) Standards, regulations VDE 0160, transformer according to VDE 0551 Ordering data Order number Advant Controller 31 / Issued: 09.99 07 NG 36 R1 Hardware GJV3 0756 04 R1 11-13 07 NG 36 2