ОПИСАНИЕ ПРОДУКТА
SIEMENS 3RB2383-4AA1 - Electronic Overload Relay
This device is a SIEMENS SIRIUS 3RB2 electronic overload relay, size S3, engineered for comprehensive motor protection in industrial applications. It provides reliable thermal overload, phase unbalance, and phase failure protection for three-phase AC motors. The unit integrates directly into motor control circuits, offering adjustable current settings and flexible control voltage options for diverse operational requirements.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RB2
- COMPONENT TYPE: Electronic Overload Relay
- ELECTRICAL SPECS:
- OPERATING CURRENT RANGE: 32-125 A
- CONTROL SUPPLY VOLTAGE: 24-240 V AC/DC
- AUXILIARY CONTACTS: 1 NO + 1 NC
- THERMAL CLASS: Selectable CLASS 10, 20, 30
- MAIN CIRCUIT RATED OPERATIONAL VOLTAGE: Up to 690 V AC
- RATED FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S3
- MOUNTING: Direct mounting to SIRIUS contactors or stand-alone installation via adapter
- MAIN CIRCUIT CONNECTION: Screw terminals
- AUXILIARY/CONTROL CONNECTION: Screw terminals
- INTERFACE/CONTROL:
- RESET FUNCTION: Manual, Automatic, or Remote selectable
- INDICATION: LED for operational status, trip, and fault
- MEASUREMENT PRINCIPLE: Electronic, current transformer based
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP00 (main circuit)
- COOLING METHOD: Natural convection
- AMBIENT OPERATING TEMPERATURE: -25 to +60 degrees C
- ALTITUDE: Up to 2000 m without derating
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Three-phase AC motor control circuits
- SPECIFIC MACHINE TYPES: Pumps, fans, compressors, conveyors, mixers, machine tools, general industrial machinery
- COMPATIBLE WITH: SIEMENS SIRIUS contactors (e.g., 3RT2 series size S3)
