PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA067898R1 - Molded Case Circuit Breaker
This ASEA BROWN BOVERI SACE Tmax T4N molded case circuit breaker provides robust overcurrent and short-circuit protection for industrial low-voltage electrical distribution systems. Featuring an advanced PR221DS electronic trip unit with Long-time, Short-time, Instantaneous, and Ground fault (LSIG) protection functions, it ensures precise circuit isolation and fault discrimination. Designed for fixed installation in switchgear and control panels, this device is critical for safeguarding machinery, transformers, and power lines.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T4N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- NUMBER OF POLES: 3
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000V
- RATED FREQUENCY: 50/60 Hz
- TRIP UNIT TYPE: Electronic, PR221DS
- PROTECTION FUNCTIONS: Long-time (L), Short-time (S), Instantaneous (I), Ground fault (G)
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400VAC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T4
- MOUNTING TYPE: Fixed
- TERMINAL TYPE: Front
- FORM FACTOR: Compact molded case
- INTERFACE/CONTROL:
- TRIP UNIT ADJUSTMENT: Local, via front panel controls
- COMMUNICATION: Not inherent to base PR221DS unit
- AUXILIARY CONTACTS: Available as optional accessories
- ENVIRONMENTAL/MOUNTING:
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Panel mounted, fixed installation
- OPERATING TEMPERATURE RANGE: -25 to +70 degrees Celsius
- DEGREE OF PROTECTION: IP20 (terminals)
- COMPATIBILITY/APPLICATION:
- APPLICATION: Low-voltage power distribution, motor protection, generator protection, transformer protection, general circuit protection
- COMPATIBILITY: AC electrical systems, industrial switchgear, control panels