RTC300LTA close loop current sensor

Product catalog summary

Overview: The RTC300LTA Series is a high precision closed loop Hall Effect current sensor designed for accurate measurement of DC, AC, and pulse currents. It features galvanic isolation between primary and secondary circuits, ensuring measurement precision regardless of the primary's position within the sensor.

Electrical Specifications:

Rated Input: 100A to 300A depending on the model.
Measurement Range: Up to 900A with varying resistance values based on voltage supply.
Turns Ratio: 1:2000 or 1:3000 depending on the model.
Rated Output: 50mA to 150mA with a precision of ±0.2%.
Supply Voltage: ±12V to ±18V.
Power Consumption: ≤20+IpX(Np/Ns) mA.
Response Time: Less than 1.0 µs.
Linearity: ≤0.1% Full Scale.
Galvanic Isolation: 6 KV at 50Hz, AC, for 1 minute.
Bandwidth: DC to 150 KHz.

Applications: Suitable for variable speed drives, welding machines, battery applications, uninterruptible power supplies (UPS), and electrochemical processes.

Standards: Complies with UL94-V0, EN60947-1:2004, IEC60950-1:2001, EN50178:1998, and SJ 20790-2000.

General Data:

Operating Temperature: -40°C to +85°C.
Storage Temperature: -40°C to +125°C.
Mass: Approximately 79g.

Mechanical Dimensions: Dimensions are provided in millimeters with a general tolerance of ±1mm.

Usage Directions:

Current flows in the forward direction as indicated by the arrowhead.
Primary conductor temperature should not exceed 100°C.
Optimal dynamic performance is achieved when the primary hole is fully filled with the bus bar.
Primary turns should be positioned at the top of the sensor for optimal magnetic coupling.

Characteristics Chart: Includes pulse current signal response characteristics and effects of impulse noise.

Catalog excerpts

The RTC300LTA Series current sensor is a closed loop device based on the measuring principle of the hall effect, with a galvanic isolation between primary and secondary circuit, the size of primary doesn't affect test precision, no matter the location of primary in the hole of current sensor, It can really measure resolution 1000:1, it uses for precision measurement of DC, AC and pulse current. || Electrical data (Ta=25°C+ 5 C) ||

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Rongtech Industry(ShangHai) Inc., RTC300LTA Series High Precision Closed Loop Mode Hall Effect Current Sensor Mechanical dimension(for reference only) Remarks： 1. All dimensions are in mm. 2. General tolerance ±1mm Directions for use 1.Is will be in a forward direction when the Ip flows according to the direction of the arrowhead. 2.The primary conductor should be≤100℃. 3.The dynamic performance (di/dt and the response time) is the best when the primary hole is fully filled with the bus bar. 4.The primary turns should be at the top of the sensor for the best magnetic coupling. Characteristics...

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