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Rongtech Industry (Shanghai) Inc.,
RTO300LB open loop current sensor

RTO300LB open loop current sensor

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): Ranges from ±150A to ±450A.
Rated Output: ±4±1% V at Ipn.
Supply Voltage: ±15V ±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, 1min.

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 120℃.
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.
Customizable output amplitude and design for different rated input currents and output voltages.

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

Catalog excerpts

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.

Open the catalog to page 1

Rongtech Industry (ShangHai) Inc., RTO300LB Series Open 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.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°C. 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 voltage will be measured at the output end. (Note: The...

Open the catalog to page 2

RTO300LB open loop current sensor

RTO300LB open loop current sensor

Catalog excerpts

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