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The Phoenix Contact 2277048 is a bus-bar current transformer from the PACT MCR-V1 series, designed for measuring high alternating currents. It features a primary current rating of 250 A AC and a secondary output of 5 A AC. The device has an accuracy class of 1 and a rated power of 5 VA. It operates within a frequency range of 50 Hz to 60 Hz. The unit includes a 20 mm bore for bus-bar installation and measures 66 mm in height.
Verify that the required primary current matches the 250 A AC specification and that the secondary load does not exceed the 5 VA rated power. Confirm compatibility with the 50-60 Hz operating frequency. Ensure the physical bus-bar dimensions fit within the 20 mm bore aperture. Check for any specific mounting requirements associated with the PACT MCR-V1 series housing design.
Select this component when a precise 1% accuracy class is required for AC current measurement in industrial settings. Consider the 250 A primary rating to ensure adequate capacity for the target circuit. Evaluate the 5 A secondary output against the input requirements of connected meters or PLC modules. Assess the physical constraints of the 66 mm height and 20 mm bore against available panel space.
This part belongs to the Phoenix Contact PACT MCR-V1 series, which specializes in bus-bar current transformers for modern electrical installations. The series focuses on providing reliable current measurement solutions with standardized outputs. The 2277048 model specifically addresses applications requiring 250 A primary current handling capabilities.
Public confirmed substitute part numbers are not provided in the source documentation.