PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA072771R1 - Molded Case Circuit Breaker
The ABB 1SDA072771R1 is a SACE Tmax XT2N series 3-pole molded case circuit breaker engineered for overcurrent and short-circuit protection in low-voltage electrical distribution systems. It integrates a fixed thermomagnetic (TMD) trip unit, providing reliable fault isolation for industrial machinery, commercial installations, and general power circuits. This device ensures operational continuity and system safety by adhering to specified current and voltage parameters.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax XT2N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 160A
- POLES: 3
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu): 36kA at 400/415VAC
- FREQUENCY: 50/60Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: XT2
- TRIP UNIT TYPE: Thermomagnetic Fixed (TMD)
- MOUNTING TYPE: Fixed
- TERMINAL TYPE: Front
- INTERFACE/CONTROL:
- TRIP MECHANISM: Thermomagnetic (Fixed Thermal and Magnetic)
- FEEDBACK: Mechanical Trip Indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (with terminal covers)
- OPERATING TEMPERATURE: -25°C to +70°C
- MOUNTING STYLE: Panel Mount
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Low-voltage power distribution, motor protection, generator protection, industrial and commercial circuit protection
- STANDARDS COMPLIANCE: IEC 60947-2