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Product Detailed Parameters
- Description：ANSI CT,250:5,1"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：50:01:00
- 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：250:05:00
- Current Rating (Amps)：250 A
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Overview
The Sifam Tinsley Instrumentation Inc. model 2DRL-251 is a single-phase indoor current transformer belonging to the Omega series. It features a non-ANSI rated window-type construction with a 1-inch inner diameter and 24-inch leads. The device operates at a frequency range of 50Hz to 400Hz, supporting a primary current of 250A and a secondary output of 5A. It maintains a Class 1 accuracy rating with a power rating of 12.5VA. Designed for panel mounting, it withstands a 10kV BIL insulation level.
Feature Summary
- Window-type design with integrated 24-inch leads for flexible installation
- Class 1 accuracy suitable for precise metering applications
- Wide frequency operational range from 50Hz to 400Hz
- Robust 10kV BIL insulation rating for indoor use
Applications
- Indoor electrical panel metering systems
- Single-phase current monitoring circuits
- Industrial equipment power measurement
- Electrical distribution network instrumentation
Procurement Notes
Verify the specific manufacturer designation as listings vary between Sifam Tinsley and GE ITI. Confirm that the 250:5 ratio matches system requirements. Check lead length specifications against panel depth constraints. Ensure the non-ANSI classification aligns with project standards. Validate frequency compatibility for the target application environment.
Selection Notes
Select this component when a window-type CT with fixed leads is required for indoor single-phase applications. The 250:5 ratio suits moderate current levels. Consider the 10kV BIL rating for standard industrial voltage levels. The wide frequency range supports various power systems. Verify physical dimensions against available mounting space in the control panel.
Part Context
This part belongs to the Omega series of current transformers, designed for reliable indoor performance. The 2DRL variant specifically denotes a window-type construction with pre-attached leads. It serves as a sensing element for measuring alternating current in single-phase circuits within industrial and commercial electrical infrastructure.
Replacement Considerations
- 1411-2DRL-251
FAQ
What is the accuracy class of the 2DRL-251?
The 2DRL-251 has a Class 1 accuracy rating.
Is this transformer ANSI rated?
No, the 2DRL-251 is classified as a non-ANSI rated current transformer.
