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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：1200:05:00
- 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)：1200 A
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Overview
The CR7RL-122 is a commercial grade AC current transformer manufactured by CR Magnetics Inc. It features a donut style core with a 2.5-inch inner diameter, designed for free hanging or in-line installation. The device operates within a frequency range of 50 Hz to 400 Hz. It supports an input current range of 0 to 1200 AAC and provides a corresponding output range of 0 to 5 AAC. The unit is equipped with two 2-foot fly leads utilizing 16 AWG wire for connection.
Feature Summary
- Donut style construction for through-busbar installation
- Commercial grade accuracy classification
- Integrated 16 AWG fly leads for direct wiring
Applications
- AC current monitoring in industrial power systems
- Electrical panel metering applications
- Motor protection circuits requiring current sensing
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to ensure correct configuration. Confirm that the commercial grade specification meets the required accuracy standards for the intended application. Check lead times as availability may vary by distributor. Ensure the 1200 A rating aligns with the maximum expected load current in the circuit design.
Selection Notes
Select this component when a high-current, non-invasive sensing solution is required for frequencies between 50 Hz and 400 Hz. The 2.5-inch ID accommodates larger busbars or cables without additional adapters. Consider the commercial grade tolerance if higher precision metering classes are not mandated by the system specifications.
Part Context
This model belongs to the CR Magnetics line of instrumentation grade electrical current transformers. The series includes both commercial and ANSI metering class options. The donut style design allows for easy integration into existing electrical infrastructure without breaking the conductor path.
Replacement Considerations
Consult official substitution guides for equivalent models with matching current ratios and frequency ranges. Verify physical dimensions and mounting requirements before replacing. Ensure the replacement maintains the same commercial grade performance characteristics.
