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Selected parameters SYSTEM Soft Starter LOAD Phase 3 HOUSING WIDTH >90mm MOTOR RATING >20kW to 30kW OPERATIONAL VOLTAGE Up to 480VAC LOAD CURRENT >50A to 75A CONTROLLED PHASES 2-Phase MAX NUMBER OF STATS PER HOUR >10 to 20 Others LOAD (result) Soft Starting of 3-Phase scroll compressors LOAD CURRENT 70A AC MAX MOTOR RATING 30 kW OPERATIONAL VOLTAGE 190-530V ACrms DIMENSIONS 120 x 150 x 170 mm CONTROLLED PHASES 2-Phase MAX NUMBER OF STATS PER HOUR 12
Soft Starter 2-Phase and 3-Phase Scroll Compressor Softstarter Types RSBD48..CV. (2-Phase), RSBT48..CV. (3-Phase) • Soft starting of 3-phase Scroll Compressors up to 95 Amp • Patented auto-adaptive algorithm for optimum inrush current reduction (No user-settings required) • Integrated bypass relays • 2- (RSBD) and 3-phase (RSBT) controlled solutions • Multi-voltage operation (220 – 480VAC, 50/60Hz) • Rated operational current: 55, 70, 95AAC • Phase sequence and undervoltage monitoring • Overtemperature, Overcurrent, Locked Rotor protection • Changeover relay outputs for bypass and alarm indication • UL, cUL, CE, RoHS compliant • Current balancing strategy (RSBD models) • RS485 serial communication port (MODBUS-RTU) - optional Product Description Ordering Code RSB T 48 55 C V0 RSBD and RSBT are easy to use softstarters for scroll com- pressors up to 95Amp nomi- nal current. The units are equipped with a patented auto-adaptive algorithm that automaticallyadapts itself to the specific compressor it is controlling ensuring that an optimum inrush current reduc- tion is achieved. RSBD is a 2- phase controlled and RSBT is a 3-phase controlled solution with integrated bypass relays for bypassing of the semicon- ductors after ramp-up. The unit is supplied inside housing and can be DIN or panel mounted (accessories included). RSB. softstarters include also 2 changeover relays for bypass and alarm indication. Theunitshavea maximum operating tempera- ture of 60˚C (with derating from 40˚C). RSB.CVC versions are equipped with a Modbus RTU serial communication for start and stop and communication of relevant instantaneous vari- ables that can be transmitted to a host control system. Compressor Softstarter Controlled phases Operational Voltage Rated Operational Current Control Voltage Version Type Selection Type Rated operationalRated operationalControl voltageVersions voltage Ue Current IeUc RSBD 48: 220 - 480VAC55: 55ArmsC: 24VAC/DC ±10% V0 : 2x Changeover RSBT-15%, + 10%70: 70Arms and110 - 400VAC relay outputs 95: 95Arms-15%, +10% VC: RS485 MODBUS serial communication Selection Guide No. of TypeOperationalControlVersionRated Operational Current ControlledVoltagevoltage55AAC70AAC 95AAC Phases 2RSBD 220 - 480VAC 24VAC/DC 2 Changeover RSBD4855CV0 RSBD4870CV0RSBD4895CV0 3RSBT&Relay Outputs RSBT4855CV0RSBT4870CV0RSBT4895CV0 110 - 400VAC RS485 SerialRSBD4855CVCRSBD4870CVC RSBD4895CVC communication RSBT4855CVC RSBT4870CVC RSBT4895CVC (MODBUS RTU) Specifications are subject to change without notice (21.11.2014)1
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