PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA067579R1 - Molded Case Circuit Breaker
This device is a 3-pole molded case circuit breaker from the ABB SACE Tmax T4N series, engineered for robust overcurrent and short-circuit protection in industrial and commercial low-voltage power distribution systems. It integrates an advanced PR221DS-LSIG electronic trip unit, providing adjustable long-time, short-time, instantaneous, and ground fault protection functions. Designed for fixed front mounting, this MCCB ensures reliable circuit isolation and fault interruption for critical infrastructure and machinery.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T4N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3
- OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- RATED FREQUENCY: 50/60 Hz
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T4
- MOUNTING TYPE: Fixed Front (F F)
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: PR221DS-LSIG
- PROTECTION FUNCTIONS: Long-time (L), Short-time (S), Instantaneous (I), Ground Fault (G)
- INTERFACE/CONTROL:
- INDICATORS: Trip status, operational status (via trip unit)
- AUXILIARY CONTACTS: Optional (external modules)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (front terminals, without enclosure)
- COOLING METHOD: Natural Convection
- OPERATING TEMPERATURE: -25 to +70 degrees C
- COMPATIBILITY/APPLICATION: Low-voltage power distribution, motor protection, generator protection, industrial machinery, commercial buildings, data centers.