PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA051941R1 - Molded Case Circuit Breaker
The ASEA BROWN BOVERI 1SDA051941R1 is a Tmax T3N series 3-pole Molded Case Circuit Breaker (MCCB) engineered for robust overcurrent and short-circuit protection in industrial and commercial electrical distribution systems. Featuring a PR221DS digital static release, this device provides precise, adjustable protection characteristics for critical loads, ensuring system integrity and operational continuity in applications such as switchgear, motor control centers, and power panels.
Technical Specifications:
- SERIES/FAMILY: Tmax T3N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3-pole
- NOMINAL OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- NOMINAL FREQUENCY: 50/60 Hz
- NOMINAL ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400/415VAC
- RELEASE UNIT: PR221DS Digital Static Release
- PROTECTION FUNCTIONS: Long-time (Overload), Short-time, Instantaneous (Short-circuit)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T3 (250A frame)
- MOUNTING TYPE: Fixed
- TERMINAL TYPE: Front terminals
- FORM FACTOR: Compact molded case
- INTERFACE/CONTROL:
- RELEASE TECHNOLOGY: Microprocessor-based digital static
- ADJUSTABILITY: Adjustable thermal (Ir) and magnetic (Isd, Ii) trip settings
- INDICATORS: Trip status, operational status via release unit
- ENVIRONMENTAL/MOUNTING:
- PROTECTION RATING: IP20 (terminals), suitable for enclosure integration
- COOLING METHOD: Natural air convection
- MOUNTING STYLE: Panel mounted
- COMPATIBILITY/APPLICATION:
- TARGET APPLICATIONS: Industrial and commercial power distribution, switchgear, motor control centers, generator protection, transformer protection
- COMPLIANCE: IEC 60947-2