NK CT-0800-5A-LS Current Transformer

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800:05:00

Measure current from 0–800 A
Split-core case for convenient installation over large wires or bus bars
5 A secondary is compatible with standard power monitors and panel meters designed for the 5 A input.
LS series with large sensing window (3.42” x 2.30”)
Plated terminals for reliability.
Designed to meet UL, CUL and CE approval.

Current Transformer Applications

Serves as current input for use with APT and APN series KW transducers
Saves space in control panels by remotely locating the sensing of the current closer to the load.
The current transformer secondary can be connected to the NK CTC-05A-420-24L-DIN to produce a loop powered, 4–20 mA signal proportional to the current through the CT.

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List Price: $140.00

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CT-LS Series 5 A Secondary Current Transformer

5 A Secondary Current Transformers offer a compact, cost-effective means of measuring primary current. These current transformers provide an easy-to-install method to measure AC current, producing a 0–5 amp output proportional to the current flowing through the sensing window. The CT-LS series offers a large sensing window and a split-core design for easy installation.

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Current Transformer Dimensions

Current Transformer Connections

A current transformer (CT) should never be energized (AC current through the sensing window) without a load connected to the output terminals. Best practice is to terminate the current transformer secondary on a terminal block with the ability to short between two points before extending the leads to the load. If it is ever necessary to remove the load from the CT while it is or could become energized, a shorting bar can be placed between the secondary loads, as shown below in the drawing on the right. This will allow the load to be removed safely.

CT_11

Power Supply	None - Self-Powered
Current Ranges	0–800 A
Output Signal	0–5 A (AC)
Frequency	50–60 Hz
Insulation Class	0.6 KV BIL, 10 KV full wave
Accuracy	±1% (10–100% of range) to 50°C
Linearity	0.5% (10–100% of range)
Thermal Rating	3.5 W @ 30°C
Weight	800:5 2.0 lbs.
Allowable Burden	800:5 10 VA

Current Sensors/Current Transformers Template
Type (Current Tarnsformers)	Split Core
Current Measured	AC
Maximum Current	800 A
Minimum Current	0 uA
Accuracy	±1% (10–100% of range) to 50°C
Output	Current
Test Equipment General Attributes
Unique Features	0-800 A Current Range
Warranty	5 YEARS
Safety Approval	UL
Product Weight	2.0 LBS
Country of Origin	United States