GR
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Thyristor rectifier 6-pulse (12-pulse) Input contactor for rectifier Automatic charging Analogue control boards with microprocessor supervision (GR-3811) GR-3811 TFT-panel with touchscreen, GR-3812 with LCD Power stacks with two-stage temperature supervision (failure monitoring/shut down) Isolation transformer in the input 8 remote signals (floating change over contacts) RS232-interface (Profibus, Modbus, SNMP optional) High MTBF values (400 000 h) User-friendly control functions with integrated processor (GR-3811) Temperature-regulated charging voltage 3 charging characteristics (automatic) Fanless design (natural air cooling by conv

Technical data Rated voltage Rated current Rectifier design Galvanically isolated ,Thyristor 6-puls, >500A 12-pulse Input voltage Voltage output tolerance Charging characteristics IU acc. DIN 41772 3 characteristics (float, boost and equalizing charge) Ripple with battery disconnected <5% rms, <2% rms with additional filter Safety, Environment, Design Earth conductor current Protection type Permissible environmental conditions: Storage acc. EN 60721-3-1 (long term) Transport acc. EN 60721-3-2 (short term storage.) Operation acc. EN 60721-3-3 1K2 / 1M3 0 to +40 °C 2K2 / 2M2 -25 to +60 °C 3K3...