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ACS355-03E-15A6-4+X1644

The ABB ACS355-03E-15A6-4+X1644 is a configured 15.6 Ampere, 7.5 kW (10 HP) variable frequency drive from the ACS350 series platform, delivered with a critical factory-installed option for enhancing safety functionality.

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Key Specifications Parameter Category Specification Drive Series/Base Model ACS355-03E-15A6-4 Rated Output Current 15.6 A Rated Output Power 7.5 kW (10 HP) Input Supply Voltage 380 - 480 V AC (± 10%), 3-phase Output Voltage/Phases 3-phase, 0 - Input voltage Enclosure Rating IP20 / UL Open Type (Chassis). Must be installed inside a protective control cabinet. Control Panel Removable Control Panel (RCP) with backlit LCD. Cooling Method Self-cooled (with internal fan) Control Methods • Scalar Control (V/f) • ABB Direct Torque Control (DTC) Key Standard Features • Removable Control Panel (RCP). • Built-in EMC Filter (Class A). • Application Macros (Factory, Hand/Auto, Pump/Fan). • Built-in PID Controller. • Built-in Modbus RTU (RS-485). • Basic I/O: 2 analog inputs, 1 analog output; 3 digital inputs, 1 relay output. Option +X1644 Safety Module (Safe Torque Off - STO) • Safety Function: Safe Torque Off (STO). • Safety Level: Typically complies with SIL 3 (IEC 61800-5-2) / PL e (ISO 13849-1) standards. • Function: Safely disables the torque-producing power to the motor via two independent, safety-certified channels. Used to prevent unexpected startup for maintenance safety. • Wiring: Provides two independent, safety-isolated input terminals for connecting safety devices (e.g., safety relays, safety PLCs, emergency stop buttons). Protection Features • Standard motor thermal and electrical protection. • Integrated functional safety via +X1644 (STO). Application Focus General industrial machinery (Pumps, Fans, Conveyors) where personnel safety during maintenance is a requirement and must be implemented with a certified safety function.