RSBT4895CVC CARLO GAVAZZI Selected parameters SYSTEM Soft Starter LOAD Phase 3 HOUSING WIDTH 90mm MOTOR RA.. View larger
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RSBT4895CVC CARLO GAVAZZI Selected parameters SYSTEM Soft Starter LOAD Phase 3 HOUSING WIDTH 90mm MOTOR RA..



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Selected parameters SYSTEM Soft Starter LOAD Phase 3 HOUSING WIDTH >90mm MOTOR RATING >40kW to 50kW OPERATIONAL VOLTAGE Up to 480VAC LOAD CURRENT >75A to 100A CONTROLLED PHASES 3-Phase MAX NUMBER OF STATS PER HOUR >10 to 20 Others LOAD (result) Soft Starting of 3-Phase scroll compressors LOAD CURRENT 95A AC MAX MOTOR RATING 45 kW OPERATIONAL VOLTAGE 190-530V ACrms DIMENSIONS 120 x 150 x 170 mm CONTROLLED PHASES 3-Phase MAX NUMBER OF STATS PER HOUR 12

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Softstarters Soft Starters Motor


Soft Starters

* Brand new product in its original packaging covered by the warranties and certifications provided by CARLO GAVAZZI

*This price is per unit and is the net value (not including taxes if applicable).

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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
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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