PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA068091R1 - Molded Case Circuit Breaker
The ABB SACE Tmax T4N 250 PR221DS is a 3-pole molded case circuit breaker engineered for robust overcurrent and short-circuit protection in industrial power distribution systems. Featuring an advanced electronic trip unit, this device provides precise and selective fault discrimination, making it suitable for critical applications in switchgear, motor control centers, and general facility protection. Its fixed configuration with front terminals ensures straightforward integration and reliable operation within diverse electrical infrastructure.
Technical Specifications:
- SERIES/FAMILY: ABB SACE Tmax T4N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- RATED CURRENT (In): 250A
- POLES: 3
- 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
- RATED SERVICE SHORT-CIRCUIT BREAKING CAPACITY (Ics): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T4 (250A frame)
- MOUNTING TYPE: Fixed
- TERMINAL TYPE: Front terminals
- FORM FACTOR: Compact molded case
- INTERFACE/CONTROL:
- TRIP UNIT: PR221DS Electronic Trip Unit
- PROTECTION FUNCTIONS: L (Long-time), S (Short-time), I (Instantaneous)
- DISPLAY: Integrated LCD for settings and diagnostics
- SELECTIVITY: Yes, via electronic trip unit
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals, without enclosure)
- COOLING METHOD: Natural convection (air-cooled)
- MOUNTING STYLE: Panel mounted
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial power distribution, switchgear, motor control centers, generator protection, transformer protection, general circuit protection.