ОПИСАНИЕ ПРОДУКТА
ASEA BROWN BOVERI 1SDA054440R1 - Molded Case Circuit Breaker
This device is a 3-pole Molded Case Circuit Breaker from the ABB SACE Tmax T3N series, engineered for reliable overcurrent protection in industrial and commercial low-voltage distribution systems. It integrates a PR221DS electronic trip unit, providing precise LSI (Long-time, Short-time, Instantaneous) protection for critical electrical infrastructure. Designed for fixed front terminal mounting, this MCCB ensures circuit isolation and fault interruption in demanding power distribution applications.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T3N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3
- NOMINAL VOLTAGE (Ue): Up to 690VAC
- NOMINAL FREQUENCY: 50/60 Hz
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC
- RATED SERVICE SHORT-CIRCUIT BREAKING CAPACITY (Ics): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T3
- MOUNTING TYPE: Fixed, Front Terminal
- OPERATION: Manual Toggle
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: PR221DS
- PROTECTION FUNCTIONS: L (Long-time overload), S (Short-time short circuit), I (Instantaneous short circuit)
- ADJUSTABILITY: Adjustable overload (Ir), short-time (Isd), and instantaneous (Ii) settings
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Front of panel with terminals protected)
- OPERATING TEMPERATURE: -25 to +70 degrees C
- STORAGE TEMPERATURE: -40 to +70 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Low-voltage power distribution panels, motor control centers, industrial machinery, commercial building infrastructure
- FUNCTION: Overload protection, short-circuit protection, circuit isolation