PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA067890R1 - Molded Case Circuit Breaker
This device is a 3-pole molded case circuit breaker from the ABB SACE Tmax T4N series, engineered for robust overcurrent protection in industrial power distribution systems. It integrates an advanced PR221DS-LS/I electronic trip unit, providing precise long-time, short-time, and instantaneous protection for circuits up to 250A. Designed for fixed installation with front terminals, it ensures reliable circuit isolation and fault interruption in diverse applications including motor control centers, switchgear, and panel boards.
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 INSULATION VOLTAGE (Ui): 1000V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC
- RATED SERVICE SHORT-CIRCUIT BREAKING CAPACITY (Ics): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T4
- FORM FACTOR: Molded Case
- TERMINAL TYPE: Front
- MOUNTING TYPE: Fixed
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: PR221DS-LS/I
- PROTECTION FUNCTIONS: Long-time (Overload), Short-time (Delayed Short-circuit), Instantaneous (Immediate Short-circuit)
- ADJUSTABILITY: Adjustable trip thresholds and delays for LS/I functions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (with terminal covers)
- COOLING METHOD: Natural Convection
- OPERATING TEMPERATURE: -25 to +70 degrees C
- STORAGE TEMPERATURE: -40 to +70 degrees C
- MOUNTING STYLE: Fixed, Panel Mount
- COMPATIBILITY/APPLICATION: Industrial power distribution, motor protection, switchgear, panel boards, control panels, HVAC systems, machinery protection.