PRODUCT DESCRIPTION
SIEMENS 3VA1332-6EF32-0AA0 - Molded Case Circuit Breaker (MCCB)
This SIEMENS 3VA1 series molded case circuit breaker provides robust overcurrent and short-circuit protection for industrial electrical systems. Featuring an ETU320 electronic trip unit, it offers precise, adjustable long-time, short-time, and instantaneous protection functions essential for main distribution, motor, and generator applications. Engineered for fixed mounting within switchgear and control panels, this device ensures critical operational safety and system availability in demanding industrial environments.
Technical Specifications:
- SERIES/FAMILY: SIEMENS 3VA1
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- POLES: 3-pole
- RATED CURRENT (In): 320A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- RATED INSULATION VOLTAGE (Ui): 800V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- FREQUENCY: 50/60 Hz
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu) AT 415V AC: 55kA (N-Class)
- RATED SHORT-CIRCUIT SERVICE BREAKING CAPACITY (Ics) AT 415V AC: 55kA
- MECHANICAL/PHYSICAL:
- FRAME SIZE: 400A Frame
- MOUNTING TYPE: Fixed mounting
- TERMINAL TYPE: Front connection
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic Trip Unit (ETU320)
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- ADJUSTABILITY: Adjustable overload (Ir), short-time delay (tsd), short-time pickup (Isd), instantaneous pickup (Ii)
- AUXILIARY CONTACTS: Standard configuration (0AA0)
- ENVIRONMENTAL/MOUNTING:
- PROTECTION CLASS (TERMINALS): IP20
- PROTECTION CLASS (DEVICE): IP00 (when not enclosed)
- COOLING METHOD: Natural convection
- AMBIENT OPERATING TEMPERATURE: -25 to +70 degrees C
- COMPATIBILITY/APPLICATION:
- PRIMARY APPLICATION: Overcurrent and short-circuit protection in industrial power distribution systems
- TARGET SYSTEMS: Main distribution boards, sub-distribution boards, motor control centers, generator protection, industrial machinery