DESCRIZIONE PRODOTTO
ASEA BROWN BOVERI 1SDA055273R1 - Molded Case Circuit Breaker
This component is an ASEA BROWN BOVERI SACE Tmax T4N series 3-pole molded case circuit breaker, equipped with an electronic PR221DS-LS/I trip unit. It is engineered for reliable overcurrent and short-circuit protection in low-voltage industrial power distribution systems, motor control centers, and general circuit protection applications. The device provides precise protection characteristics essential for maintaining system integrity and operational continuity.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T4N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED FREQUENCY: 50/60 Hz
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC (typical for T4N series)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T4
- MOUNTING TYPE: Fixed
- RELEASE TYPE: Electronic Trip Unit PR221DS-LS/I
- PROTECTION FUNCTIONS: Long-time (Overload), Short-time, Instantaneous
- INTERFACE/CONTROL:
- TRIP UNIT: PR221DS-LS/I (Electronic)
- INDICATORS: Trip status, operational status (via trip unit)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals, without enclosure)
- COOLING: Natural Convection
- OPERATING TEMPERATURE: -25 to +70 degrees C
- COMPATIBILITY/APPLICATION:
- PRIMARY FUNCTION: Overcurrent and short-circuit protection
- APPLICATIONS: Industrial power distribution, motor feeder protection, generator protection, low-voltage switchgear