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Phoenix Contact part number 2277776 is a bus-bar current transformer belonging to the PACT MCR-V1 series. It features a primary current rating of 200 A AC and a secondary current output of 5 A AC. The device operates at frequencies of 50 Hz or 60 Hz with an accuracy class of 1 and a rated power of 5 VA. Designed for DIN rail mounting, it includes screw terminals for connection. The unit has a bore diameter of 20 mm, dimensions of 30 mm width by 60 mm depth, and weighs 259 g. It complies with UL and EN 61869 standards.
Verify that the required primary current does not exceed 200 A AC to prevent saturation. Confirm the secondary load impedance remains within the 5 VA rated power limit to maintain Class 1 accuracy. Ensure the conductor passing through the 20 mm bore fits securely to avoid measurement errors. Check compatibility with existing DIN rail profiles for proper mechanical installation.
Select this model when a 200 A primary range and 5 A secondary output are required. Choose based on the need for Class 1 accuracy in standard 50/60 Hz environments. Consider the 20 mm bore size relative to cable thickness. Verify DIN rail mounting requirements against available panel space.
This component is part of the Phoenix Contact PACT MCR-V1 series, designed for bus-bar current transformation. It serves as a sensing element for downstream measurement devices. The series emphasizes compact DIN rail integration and reliable performance in industrial settings.
No public confirmed substitute part numbers are available.