PRODUCT DESCRIPTION
SIEMENS 8UC7324-3BB44 - Motor Starter Protector
This component is a SIEMENS SIRIUS 3RV2 series compact circuit breaker designed for reliable motor protection, short-circuit protection, and overload protection in industrial applications. It integrates thermal and instantaneous short-circuit releases, making it suitable for direct-on-line motor starting and protection within control panels and machinery. The device is engineered for robust performance in demanding industrial environments, supporting critical infrastructure such as pumps, fans, compressors, and conveyor systems.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RV2
- COMPONENT TYPE: Motor Starter Protector / Circuit Breaker for Motor Protection
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE: Up to 690V AC
- RATED OPERATIONAL CURRENT (Ie): 32A
- ADJUSTABLE CURRENT SETTING RANGE: 28A to 32A
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 55kA at 400V AC
- RATED INSULATION VOLTAGE (Ui): 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6kV
- FREQUENCY: 50/60 Hz
- PHASE: 3-Phase
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S0
- TRIP TYPE: Thermal-magnetic
- TERMINAL TYPE: Screw terminals
- INTERFACE/CONTROL:
- AUXILIARY CONTACTS: 2 Normally Open (NO) + 2 Normally Closed (NC)
- TRIP INDICATION: Mechanical indicator
- RESET: Manual
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP00 (main circuit)
- COOLING METHOD: Natural convection
- OPERATING TEMPERATURE RANGE: -20 to +60 degrees C
- MOUNTING STYLE: DIN rail (35 mm) or screw mounting
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial motor control, machinery, HVAC systems, pump applications
- FUNCTION: Overload protection, short-circuit protection, phase failure protection for AC motors and general loads
- INTEGRATION: Control panels, motor control centers (MCCs)