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Product Detailed Parameters
- Description：COMMERCIAL CLASS CURRENT TRANSFO
- Series：CR7
- Mfr：CR Magnetics Inc.
- Package：Bulk
- Frequency Range：50Hz ~ 400Hz
- Type：Non-Invasive (Solid Core)
- Inductance：-
- ET (Volt-Time)：-
- Current Ratio：250:05:00
- DC Resistance (DCR)：-
- Ratings：-
- Mounting Type：Free Hanging (In-Line)
- Size / Dimension：4.700" Dia (119.38mm)
- Height - Seated (Max)：1.100" (27.94mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Current Rating (Amps)：250 A
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Overview
The CR7RL-251 is a current sense transformer manufactured by CR Magnetics Inc., designed for in-line applications. It features a primary current rating of 250 A and operates within a frequency range of 50 Hz to 400 Hz. The device utilizes a free-hanging mounting style, allowing for flexible installation in electrical systems requiring precise current monitoring.
Feature Summary
- Provides accurate current sensing for high-amperage circuits
- Supports wide frequency operation from 50 Hz to 400 Hz
- Designed for free-hanging in-line installation configurations
Applications
- Industrial power monitoring systems
- Electrical metering equipment
- Current sensing in AC power distribution networks
Procurement Notes
Verify the specific datasheet version with the manufacturer or authorized distributor before procurement. Confirm that the 250 A rating and 50-400 Hz frequency range align with your system requirements. Ensure the free-hanging form factor fits your mechanical constraints. Cross-reference part numbers to avoid confusion with similar models like CR7RL-301.
Selection Notes
Select this component when a robust current sense transformer is needed for frequencies up to 400 Hz. The 250 A primary rating suits heavy-duty industrial loads. Consider the in-line design for direct circuit integration. Evaluate thermal and mechanical limits against your specific application environment to ensure reliable long-term performance.
Part Context
This model belongs to CR Magnetics' line of instrumentation-grade electrical current transformers. These components are engineered for commercial and ANSI metering classes, offering sophisticated sensing capabilities. The product line includes various ratios and ratings to meet diverse energy monitoring needs across different industrial sectors.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for cross-referencing compatible alternatives if this specific model is unavailable.
