PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA054867R1 - Molded Case Circuit Breaker
This component is an ABB SACE Tmax T4N series Molded Case Circuit Breaker (MCCB) designed for robust electrical circuit protection in industrial and commercial power distribution systems. It integrates an advanced PR221DS-I electronic trip unit, providing precise long-time, short-time, and instantaneous overcurrent protection. The device is engineered for critical applications requiring reliable fault isolation and system integrity, including switchboards, motor control centers, and general electrical infrastructure.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T4N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- RATED CURRENT (In): 250A
- POLES: 3
- RATED OPERATIONAL VOLTAGE (Ue): 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC
- RATED SERVICE SHORT-CIRCUIT BREAKING CAPACITY (Ics): 36kA at 400VAC
- TRIP UNIT TYPE: Electronic (PR221DS-I)
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T4
- MOUNTING TYPE: Fixed
- CONNECTION TYPE: Front terminals
- INTERFACE/CONTROL:
- TRIP UNIT ADJUSTABILITY: Adjustable L, S, I thresholds via PR221DS-I unit
- INDICATORS: Trip status, overload pre-alarm (via trip unit)
- ENVIRONMENTAL/MOUNTING:
- OPERATING TEMPERATURE RANGE: -25 to +70 degrees C
- STORAGE TEMPERATURE RANGE: -40 to +70 degrees C
- PROTECTION DEGREE: IP20 (with terminal covers)
- MOUNTING POSITION: Vertical or horizontal
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Industrial power distribution, commercial building electrical systems, motor protection, generator protection, transformer protection, switchgear, panel boards.
- STANDARDS COMPLIANCE: IEC 60947-2