PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SDA058273R1 - Molded Case Circuit Breaker
This device is a 3-pole Molded Case Circuit Breaker from the ABB SACE Tmax T5N series, equipped with an electronic PR221DS trip unit. It is engineered for overcurrent and short-circuit protection in low-voltage distribution systems, suitable for industrial and commercial applications requiring reliable circuit interruption and selective coordination. The unit provides precise current sensing and adjustable protection parameters for enhanced system safety and operational continuity.
Technical Specifications:
- SERIES/FAMILY: SACE Tmax T5N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- RATED CURRENT (In): 400A
- POLES: 3-pole
- RATED FREQUENCY: 50/60 Hz
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu) at 400VAC: 36kA (N type)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: T5
- MOUNTING TYPE: Fixed, Front terminals
- OPERATION: Manual toggle
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: PR221DS
- PROTECTION FUNCTIONS: Overload (Ir), Short-circuit instantaneous (Ii), Short-circuit delayed (Isd)
- ADJUSTABILITY: Adjustable thermal (Ir) and magnetic (Ii/Isd) settings
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals)
- COOLING METHOD: Natural air convection
- OPERATING TEMPERATURE: -25 to +70 degrees Celsius
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Low-voltage power distribution panels, motor control centers, industrial machinery
- APPLICATIONS: Overcurrent and short-circuit protection for feeders, branch circuits, and equipment in industrial, commercial, and infrastructure installations.