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Specifications
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Siemens DA 21.1·20063/6 SIMOREG 6RA70 DC MASTERTechnical Data 3 ■3-ph. AC 460 V, 30 A to 125 A, 1Q Type6RA70@@-6FS

Specifications
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Content	Siemens DA 21.1·20063/6 SIMOREG 6RA70 DC MASTERTechnical Data 3 ■3-ph. AC 460 V, 30 A to 125 A, 1Q Type6RA70@@-6FS22-0 18252831 Rated supply voltage armature 1) V3-ph. AC 460 (+15 % / –20 %) Rated input current armature 2)A255075104 Rated supply voltage electronics supply V2-ph. AC 380 (–25%) to 460 (+15%); n=1 A or 1-ph. AC 190 (–25%) to 230 (+15%); n=2 A (– 35% for 1 min) Rated supply voltage field 1)V2-ph. AC 460 (+15 % / –20 %) Rated frequencyHz45 to 65 9) Rated DC voltage 1)V550 Rated DC currentA306090125 Overload capability 5)Max. 1.8 times rated DC current Rated outputkW16.53349.568.7 Power loss at rated DC current (approx.) W172248363417 Rated DC voltage field 1)VMax. 375 Rated DC current fieldA510 Operational ambient temperature °C0 to 45 at rated 3) self-cooled Storage and transport temperature°C–25 to +70 Installation altitude above sea level 1000 m at rated DC current 4) Dimensions (H x W x D)mm385 x 265 x 239385 x 265 x 313 See dimension drawing on Page9/29/11 Weight (approx.)kg11151717 Converters for single-quadrant operation 1)The armature/field supply voltage can be less than the rated supply voltage armature/field (set with Parameter P078; for converters with 400 V rated voltage, input voltages of up to 85 V are permissible). The output voltage is reduced accordingly. The specified output DC voltage can be guaranteed up to undervoltages 5 % below the supply voltage (rated supply voltage armature/field). 2)Values apply to output rated DC current. 3)Load factor K1 (DC current) as a function of the coolant temperature (see P077 Operating Instructions, Section 11). K1 > 1 only permissible where K1 * K2 1st. overall reduction factor K = K1 * K2 (for K2 see Footnote 4). a)In spite of derating, converters of 400 A with enhanced cooling may be operated at an ambient or coolant temperature of 50 ºC only if the rated supply voltage of the con- verter fan is safely within the limited toler- ance range of 400 V +10% –15%. b)Not permissible when T400 or OP1S are used.Ambient or coolant tem- perature Load factor K1 In devices with self-cool- ing In devices with enhanced cooling +30 °C1.181.10 +35 °C1.121.05 +40 °C1.061.00 +45 °C1.000.95 +50 °C0.940.90 a) +55 °C0.88 +60 °C0.82 b)
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