PRODUCT DESCRIPTION
SIEMENS 3RW4027-1BB04 - Soft Starter
This SIEMENS SIRIUS 3RW4027-1BB04 is a compact, 3-phase soft starter engineered for the controlled acceleration and deceleration of asynchronous motors. It utilizes solid-state switching technology to mitigate current peaks and mechanical shock during motor startup and shutdown, thereby extending equipment lifespan and reducing stress on mechanical components. This device is suitable for standard industrial applications such as pumps, fans, and conveyor systems requiring reduced inrush current and smooth operational transitions.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RW40
- COMPONENT TYPE: Soft Starter
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE: 200-480V AC
- RATED OPERATIONAL CURRENT (Ie): 32 A (at 400V)
- RATED POWER (STANDARD CONNECTION): 15 kW (at 400V)
- RATED POWER (INSIDE DELTA CONNECTION): 22 kW (at 400V)
- PHASE: 3-Phase
- FREQUENCY: 50/60 Hz
- CONTROL VOLTAGE: 24V AC/DC
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, modular industrial enclosure
- TERMINALS: Screw terminals
- INTERFACE/CONTROL:
- CONTROL INPUTS: Digital inputs for start/stop, 24V AC/DC
- FEEDBACK: Integrated bypass contactor, relay outputs for operational status and fault indication
- PROTECTION FUNCTIONS: Adjustable overload protection, intrinsic device protection
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (main circuit terminals), IP20 (housing)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: DIN rail or screw mounting
- COMPATIBILITY/APPLICATION: For smooth starting and stopping of 3-phase asynchronous motors in applications such as pumps, fans, compressors, and conveyor systems.