PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA077999R1 - Air Circuit Breaker
The ASEA BROWN BOVERI 1SDA077999R1 is a SACE Emax 2 series E2.2N fixed-type air circuit breaker, engineered for robust protection and control within low voltage power distribution systems. Featuring an advanced PR121/P electronic trip unit with Long-time and Instantaneous protection, this device ensures reliable circuit interruption and selective coordination for critical industrial and commercial applications, including main incoming feeders and generator protection.
Technical Specifications:
- SERIES/FAMILY: SACE Emax 2
- COMPONENT TYPE: Air Circuit Breaker (ACB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 1600A
- RATED OPERATIONAL VOLTAGE (Ue): 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 12kV
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 50kA at 400/415VAC
- RATED SERVICE SHORT-CIRCUIT BREAKING CAPACITY (Ics): 50kA at 400/415VAC
- NUMBER OF POLES: 3-pole
- FREQUENCY: 50/60Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: E2.2
- MOUNTING TYPE: Fixed
- OPERATION: Manual
- INTERFACE/CONTROL:
- TRIP UNIT: PR121/P Electronic Trip Unit
- PROTECTION FUNCTIONS: Long-time (L), Instantaneous (I)
- COMMUNICATION: Optional via Ekip Com modules (e.g., Modbus, Profibus, Ethernet/IP)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (with front cover)
- COOLING METHOD: Natural air convection
- MOUNTING STYLE: Fixed, rear terminals
- OPERATING TEMPERATURE: -25°C to +70°C
- COMPATIBILITY/APPLICATION:
- STANDARDS: IEC 60947-2
- TARGET SYSTEMS: Low voltage power distribution systems, industrial plants, commercial buildings, data centers, generator protection, motor control centers.
- FUNCTION: Overload protection, short-circuit protection, selective coordination.