PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA067974R1 - Molded Case Circuit Breaker
This is an ASEA BROWN BOVERI SACE Tmax T4N series molded case circuit breaker, engineered for robust overcurrent and short-circuit protection in industrial and commercial power distribution systems. It integrates an advanced PR221DS electronic trip unit, providing precise thermal-magnetic equivalent protection for circuits up to 250A. This device is suitable for main, sub-main, and feeder applications requiring reliable circuit isolation and fault interruption.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T4N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- RATED CURRENT (In): 250A
- POLES: 3-pole
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- RATED FREQUENCY: 50/60 Hz
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T4
- MOUNTING TYPE: Fixed, front terminal connection
- TERMINAL TYPE: Front terminals
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic Trip Unit PR221DS
- PROTECTION FUNCTIONS: Long-time (Overload), Short-time, Instantaneous (Short-circuit)
- ADJUSTABILITY: Adjustable thermal and instantaneous settings via trip unit
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP30/40 (front with accessories)
- COOLING METHOD: Natural air convection
- OPERATING TEMPERATURE: -25 to +70 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial and commercial power distribution panels, motor control centers, generator protection, transformer protection
- APPLICATIONS: Main circuit protection, feeder protection, branch circuit protection