PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA073791R1 - Molded Case Circuit Breaker
This is a 3-pole molded case circuit breaker from the ABB SACE Tmax T5N series, engineered for robust overcurrent protection and switching in industrial power distribution systems. It integrates an advanced PR221DS-I electronic trip unit, providing precise LSI (Long-time, Short-time, Instantaneous) fault discrimination. This device is suitable for main and sub-distribution panels, motor feeder circuits, and generator protection in commercial and industrial facilities requiring reliable circuit interruption.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T5N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 400A
- NUMBER OF POLES: 3
- RATED OPERATIONAL VOLTAGE (Ue): 690V AC
- RATED INSULATION VOLTAGE (Ui): 1000V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8 kV
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu) at 400/415V AC: 36 kA
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: PR221DS-I
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T5
- MOUNTING TYPE: Fixed
- TERMINAL TYPE: Front
- INTERFACE/CONTROL:
- TRIP UNIT INTERFACE: Local display for settings and status
- ENVIRONMENTAL/MOUNTING:
- OPERATING TEMPERATURE: -25 to +70 degrees C
- STORAGE TEMPERATURE: -40 to +70 degrees C
- MOUNTING POSITION: Vertical or horizontal
- IP RATING: IP20 (with terminals covers)
- COMPATIBILITY/APPLICATION:
- INDUSTRIAL POWER DISTRIBUTION: Main and sub-distribution boards
- MOTOR PROTECTION: Suitable for motor feeder circuits
- GENERATOR PROTECTION: Applicable in generator output circuits
- SYSTEMS: Commercial buildings, industrial plants, infrastructure projects