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Product Detailed Parameters
- Description：ANSI CT,75:5,1"I.D.,24"Ld,Donut
- Series：Omega 30
- Mfr：Sifam Tinsley Instrumentation Inc
- Package：Retail Package
- Frequency Range：50Hz ~ 400Hz
- Type：Non-Invasive (Solid Core)
- Inductance：-
- ET (Volt-Time)：-
- Current Ratio：15:01
- DC Resistance (DCR)：-
- Ratings：-
- Mounting Type：Free Hanging (In-Line)
- Size / Dimension：2.420" L x 1.000" W (61.46mm x 25.40mm)
- Height - Seated (Max)：1.750" (44.45mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：75:05:00
- Current Rating (Amps)：75 A
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Overview
The Sifam Tinsley Instrumentation Inc. model 2DRL-750 is a current sense transformer designed for non-ANSI rated applications. It features a window type construction with a 25.4 mm aperture, suitable for in-line or free-hanging installation. The device operates within a frequency range of 50Hz to 400Hz and provides a turns ratio of 75:5. It is rated at 3 VA burden capacity and holds a Class 2 accuracy designation.
Feature Summary
- Window type construction for through-conductor mounting
- Wide frequency operational range from 50Hz to 400Hz
- Class 2 accuracy rating for signal sensing
- Non-ANSI rated design for specialized instrumentation
Applications
- Current sensing in industrial power systems
- Signal conditioning for monitoring equipment
- Integration into custom metering circuits
- Frequency variable load analysis
Procurement Notes
Verify the specific application requirements against the non-ANSI rating before procurement. Confirm that the operating frequency falls within the 50Hz to 400Hz range. Ensure the conductor size fits within the 25.4 mm window aperture. Check compatibility with the 3 VA burden limit in the downstream circuit design. Validate that Class 2 accuracy meets the precision needs of the measurement system.
Selection Notes
Select this component when a window-type transformer is required for frequencies up to 400Hz. The 75:5 ratio suits applications needing stepped-down current signals for low-voltage processing. Consider the 25.4 mm hole size for cable or busbar dimensions. The non-ANSI classification indicates suitability for non-standard utility environments. Evaluate the 3 VA burden capability against connected instrument loads.
Part Context
This part belongs to the current transformer product line from Sifam Tinsley Instrumentation Inc., a manufacturer known for precision electrical test equipment and instrumentation solutions. The company has a long history dating back to 1904, focusing on resistance measurement and calibration technologies. This specific model serves as a sensing element rather than a protective relay device.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other window-type transformers offering similar 75:5 ratios and 25.4 mm apertures if direct replacement is needed. Verify electrical parameters match exactly before substitution.
