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RT0300LB series

Product catalog summary

Overview: The RTO300LB series is an open loop Hall Effect current sensor designed by Rongtech Industry (Shanghai) Inc. It provides accurate electronic measurement of DC, AC, or pulsed currents with galvanic isolation between primary and secondary circuits.

Electrical Specifications:

Rated Input (Ipn): Ranges from ±50A to ±300A depending on the model.
Measurement Range (Ip): Up to ±450A for the RTO300LB model.
Rated Output: ±4±1% V at Ipn.
Supply Voltage: ±15V with a tolerance of ±5%.
Power Consumption: +18,-10 mA.
Offset Voltage: ±30 to ±25 mV.
Linearity: ≤1% Full Scale.
Bandwidth: DC to 50 KHz.
Response Time: ≤3 μS at 50A/μS, 10%-90%.
Galvanic Isolation: 2.5 KV at 50Hz, AC, 1 minute.

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

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

General Data:

Operating Temperature: -40 to +85 ºC.
Storage Temperature: -40 to +125 ºC.
Mass: Approximately 23g.

Mechanical Dimensions: All dimensions are in mm with a general tolerance of ±1mm.

Directions for Use:

Current flows in the forward direction as indicated by the arrowhead.
Primary conductor temperature should not exceed 120ºC.
Optimal dynamic performance when the primary hole is fully filled with the bus bar.
Voltage is measured at the output end when current passes through the sensor.
Output amplitude can be adjusted as needed.
Custom designs are available for different rated input currents and output voltages.

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

Catalog excerpts

Rongtech Industry (ShangHai) Inc., RTO300LB Series Open Loop Mode Hall Effect Current Sensor RTO300LB series current sensor is a open loop device based on the measuring principle of the hall effect, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents. Electrical data(Ta=25℃±5℃,RL=2KΩ ,CL=10000PF) Type RTO50LB RTO75LB RTO100LB RTO150LB RTO200LB RTO300LB Unit Parameter Rated input (Ipn) Measure range(Ip) Rated output Supply voltage Power Consumption Offset voltage Magnetic offset voltage Offset voltage drift output drift di/dt Response time Galvanic isolation Applications 1.Variable speed drives 3.Battery supplied applications 5.Electrochemical 2.Welding machine 4.Uninterruptible Power Supplies (UPS) General date Unit ºC Operating temperature Storage temperatur

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Rongtech Industry (ShangHai) Inc., RTO300LB Series Open Loop Mode Hall Effect Current Sensor Mechanical dimension(for reference only) Terminal pins Pins Connected 1 +15V -15V 2 3 OUT 4 GND 5 NC Remarks：1. All dimensions are in mm. 2. General tolerance ±1mm Directions for use 1.It will be in a forward direction when the Ip flows according to the direction of the arrowhead. 2.The primary conductor should be≤120℃. 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.When the current will be measured goes through a sensor, the...

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RT0300LB series

RT0300LB series

Catalog excerpts

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