ОПИСАНИЕ ПРОДУКТА
ABB 1SDA051448R1 - Molded Case Circuit Breaker
The ABB 1SDA051448R1 is a SACE Tmax T3N series 3-pole Molded Case Circuit Breaker (MCCB) engineered for robust overcurrent and short-circuit protection in low-voltage electrical distribution systems. It integrates an advanced PR221DS electronic trip unit, providing precise LSI (Long-time, Short-time, Instantaneous) protection characteristics. This device is suitable for critical industrial applications including switchgear, motor control centers, and general power distribution within manufacturing facilities and infrastructure.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T3N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3
- NOMINAL OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- NOMINAL FREQUENCY: 50/60 Hz
- NOMINAL ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T3
- MOUNTING TYPE: Fixed
- TERMINAL TYPE: Front
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: PR221DS
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: Dependent on enclosure and installation configuration
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Panel mounted, fixed
- COMPATIBILITY/APPLICATION:
- TARGET APPLICATIONS: Industrial power distribution, motor feeder protection, generator protection, commercial building electrical systems
- SYSTEM INTEGRATION: Designed for low-voltage switchgear and control panel integration