ОПИСАНИЕ ПРОДУКТА
ASEA BROWN BOVERI 1SDA055011R1 - Molded Case Circuit Breaker
This device is an ABB SACE Tmax T3N series 3-pole molded case circuit breaker, equipped with an electronic PR221DS trip unit. It is engineered for robust overcurrent protection and selective coordination in industrial and commercial power distribution systems, safeguarding electrical circuits and equipment from overload and short-circuit conditions. The unit is designed for fixed installation with front-facing connections, suitable for integration into switchboards, control panels, and main distribution boards.
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 INTERRUPTING CAPACITY (Icu): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T3 (250A frame)
- FORM FACTOR: Compact molded case
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic Trip Unit PR221DS
- PROTECTION FUNCTIONS: Long-time (overload), Short-time (short-circuit delay), Instantaneous (short-circuit)
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Fixed, Front Connection
- TERMINAL PROTECTION: IP20 (typical for terminals)
- COOLING METHOD: Natural Convection
- COMPATIBILITY/APPLICATION: Industrial power distribution, motor protection, generator protection, sub-distribution boards, control panels, and general circuit protection in low-voltage systems.