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Product Detailed Parameters
- Description：CURR SENSE XFMR 1:50 250A DIN RL
- Series：PACT
- Mfr：Phoenix Contact
- Package：Bulk
- Frequency Range：50Hz ~ 60Hz
- Type：Non-Invasive (Solid Core)
- Inductance：-
- ET (Volt-Time)：-
- Current Ratio：-
- DC Resistance (DCR)：-
- Ratings：-
- Mounting Type：DIN Rail
- Size / Dimension：2.756" L x 1.181" W (70.00mm x 30.00mm)
- Height - Seated (Max)：3.543" (90.00mm)
- Termination Style：Terminal Block
- Turns Ratio - Primary:Secondary：1:50
- Current Rating (Amps)：250 A
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Overview
The Phoenix Contact 2277116 is a window-type current transformer from the PACT MCR-V2-4012 series. It features a pluggable design for DIN rail mounting and supports an AC primary current of 250 A with a secondary output of 5 A, yielding a 250:5 ratio. The device operates at 50 Hz or 60 Hz with a rated power of 5 VA and meets accuracy class 1 standards.
Feature Summary
- Window-type construction allows installation around existing busbars or cables without circuit interruption.
- Pluggable interface enables direct connection to compatible measurement modules on standard DIN rails.
- Provides galvanic isolation between the high-current primary circuit and low-voltage secondary measurement circuits.
Applications
- Integration into industrial control panels for real-time current monitoring
- Connection to energy management systems for load analysis
- Protection relay inputs in electrical distribution networks
Procurement Notes
Verify that the target application requires a 250:5 ratio and 5 VA burden capacity. Confirm compatibility with the specific Phoenix Contact measurement module intended for use. Ensure the physical aperture size accommodates the conductor diameter. Check for required accuracy class 1 certification if precise metering is critical.
Selection Notes
Select this model when a non-invasive current sensing solution is needed for conductors up to the transformer's window limit. Consider the 5 VA rated power to ensure the connected measuring instrument does not exceed the burden rating. Evaluate the need for pluggable DIN rail mounting versus fixed wiring configurations.
Part Context
This component belongs to the PACT MCR-V2-4012 series, designed for modular signal conditioning and measurement within Phoenix Contact automation ecosystems. It serves as a passive sensing element that interfaces with active electronic modules to convert primary current signals into standardized secondary outputs for processing.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Verify technical equivalence regarding ratio, burden, and physical dimensions before considering alternative manufacturers.
FAQ
What is the maximum primary current supported by this transformer?
The device supports a maximum AC primary current of 250 A.
Does this unit include internal electronics for signal conversion?
No, it is a passive window-type transformer that outputs a proportional secondary current (5 A) requiring an external measurement module for signal processing.
