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Product Detailed Parameters
- Description：CURR SENSE XFMR 300A
- Series：CR2
- Mfr：CR Magnetics Inc.
- Package：Bulk
- Frequency Range：50Hz ~ 400Hz
- Type：Non-Invasive (Solid Core)
- Inductance：-
- ET (Volt-Time)：-
- Current Ratio：300:05:00
- DC Resistance (DCR)：-
- Ratings：-
- Mounting Type：-
- Size / Dimension：2.461" Dia (62.50mm)
- Height - Seated (Max)：1.051" (26.70mm)
- Termination Style：-
- Turns Ratio - Primary:Secondary：-
- Current Rating (Amps)：300 A
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Overview
The CR2RL-301 is a commercial grade AC current sense transformer manufactured by CR Magnetics Inc. It features a donut-style core design with an inner diameter of 1.13 inches. The device provides a 300:5 turns ratio, supporting an input range of 0 to 300 AAC and an output range of 0 to 5 AAC. It operates within a frequency range of 50 Hz to 400 Hz. The unit includes two 24-inch UL 1015 #16 AWG fly leads for connection.
Feature Summary
- Donut style construction with epoxy resin secured core
- Commercial grade classification for general applications
- Integrated 24-inch UL 1015 #16 AWG wire leads
Applications
- AC current sensing in industrial power systems
- Monitoring electrical loads within 50-400 Hz frequency ranges
- Integration into equipment requiring 300A primary current measurement
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct lead length and connector configuration. Confirm that the commercial grade rating aligns with the operational environment requirements. Cross-reference the 300:5 ratio specification with system design parameters to ensure compatibility with downstream instrumentation or protection relays.
Selection Notes
Select this component when a through-hole current transformer is required for AC currents up to 300A. Ensure the application frequency falls between 50Hz and 400Hz. Consider the 1.13-inch inner diameter to verify cable clearance. This model is suitable for commercial grade environments where high precision or extreme temperature ratings are not mandated.
Part Context
This part belongs to the CR Magnetics current sense transformer series. It shares design characteristics with other models in the lineup, such as the CR2RL-101, which offers different current ratios. The series utilizes a consistent donut form factor and epoxy-secured core technology across various amperage ratings.
Replacement Considerations
Direct substitutes must match the 300:5 ratio and 1.13-inch ID. Verify if alternative manufacturers offer equivalent commercial grade transformers with identical frequency response and lead specifications.
