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Product Detailed Parameters
- Description：CURR SENSE XFMR 5A CHAS MNT
- Series：CT
- Mfr：Hammond Manufacturing
- Package：Box
- Frequency Range：-
- Type：Non-Invasive (Solid Core)
- Inductance：-
- ET (Volt-Time)：-
- Current Ratio：400:05:00
- DC Resistance (DCR)：-
- Ratings：-
- Mounting Type：Chassis Mount
- Size / Dimension：4.750" L x 1.750" W (120.65mm x 44.45mm)
- Height - Seated (Max)：4.250" (107.95mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Current Rating (Amps)：5:00 AM
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Overview
The Hammond Manufacturing CT400A is a toroidal current transformer designed for chassis mounting in industrial applications. It features a primary current rating of 400 A and a secondary output of 5 A, resulting in a turns ratio of 400:5. The unit supports a maximum primary voltage of 600 V and has a power rating of 10 VA. Physical dimensions are 4.75 inches in height, 4.25 inches in length, and 1.75 inches in width, with wire lead terminations.
Feature Summary
- Toroidal core construction for efficient magnetic coupling
- Chassis mount design for secure panel installation
- Wire lead termination for direct circuit connection
Applications
- Industrial electrical metering systems
- Commercial power monitoring equipment
- Electrical protection relay circuits
Procurement Notes
Verify the specific part number suffix against official Hammond Manufacturing documentation to ensure correct configuration. Confirm that the required current ratio and burden rating match the application specifications before ordering. Check for any recent revisions to the datasheet that may affect dimensional or electrical tolerances.
Selection Notes
Select this component when a 400:5 ratio is required for high-current measurement within a 600 V system. Ensure the chassis mounting space accommodates the specified physical dimensions. Verify that the connected metering device presents a burden within the 10 VA limit to maintain accuracy.
Part Context
This model belongs to the CT series of industrial current transformers from Hammond Manufacturing. It shares the same physical form factor and mounting style as other variants in the series, such as the CT200A and CT300A, differing primarily in the primary current rating and corresponding turns ratio.
Replacement Considerations
Direct substitutes include the CT200A and CT300A if lower primary current ratings are acceptable. Other manufacturers' toroidal transformers with matching 400:5 ratios and 600 V ratings may be considered if dimensional and mounting constraints allow.
