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RTC035A series

Product catalog summary

Overview: The RTC035A Series is a multi-range closed loop Hall Effect current sensor designed by Rongtech Industry (Shanghai) Inc. It utilizes the Hall Effect and null balance method to provide accurate electronic measurement of DC, AC, or pulsed currents with galvanic isolation between primary and secondary circuits.

Electrical Specifications:

Rated Input (Ipn): 25A for RTC025A and 35A for RTC035A.
Measurement Range (Ip): 50A for RTC025A and 70A for RTC035A.
Rated Output (Isn): ±25mA for RTC025A and ±35mA for RTC035A with ±0.5% accuracy at Ipn.
Secondary Coil Resistance: 45Ω for RTC025A and 35Ω for RTC035A.
Turns Ratio: 1-2-3-4-5:1000.
Supply Voltage: ±12 to ±18V.
Consumption Current: 20 + Ip x (Np/Ns) mA.
Zero Offset Current: ≤±0.2mA at Ip=0.
Offset Current Drift: ≤±0.5mA from -40℃ to +85℃.
Response Time: Less than 1µs at 50A/µs, 10%-90%.
Linearity: ≤0.1% Full Scale.
Galvanic Isolation: 2.5KV at 50Hz, AC, 1 minute.
Bandwidth: DC to 150kHz at -3dB.

Applications:

AC variable speed drives and servo motor drives.
Static converters for DC motor drives.
Variable speed drives.
Power supplies for welding applications.
Battery supplied applications.
Uninterruptible Power Supplies (UPS).
Switched Mode Power Supplies (SMPS).

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

General Data:

Operating Temperature: -40 to +85ºC.
Storage Temperature: -40 to +125ºC.
Mass: Approximately 20g.

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

Pin Connections: The document provides detailed pin connections for different turns and rated currents, including primary resistance and inductance values.

Directions for Use:

Ensure correct wiring to avoid sensor damage.
Custom designs are available for different rated input currents and output voltages.

Characteristics Chart: The document includes charts illustrating pulse current signal response characteristics and effects of impulse noise.

Catalog excerpts

Rongtech Industry (ShangHai) Inc., RTC035A Series Multi-range Closed Loop Mode Hall Effect Current Sensor RTC035A multi-range current sensor is a close loop device based on the measuring principle of the hall effect and null balance method ,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℃) Type Measure range(Ip) Secondary coil resister Turns ratio(Np/Ns) Supply voltage Consumption current Zero offset current Offset current drift Response time Galvanic isolation di/dt accurately followed Bandwidth Applications 1.AC variable speed drives and servo motor drives 3.Variable speed drives 5.Battery supplied applications 7.Switched Mode Power Supplies(SMPS) 2.Static converters for DC motor drives 4.Power supplies for welding applications 6.Uninterruptible Power Supplies (UPS) General date Value Operating temperature Storage temperature

Open the catalog to page 1

Rongtech Industry (ShangHai) Inc., RTC035A Series Multi-range Closed Loop Mode Hall Effect Current Sensor Mechanical dimension(for reference only) Pins connections Pins connections Remarks： 1. All dimensions are in mm. Pin connections Rated Measure current range Turns IPN（A） Ip(A) Turns ratio Directions for use 1.When the current will be measured goes through a sensor ,the current will be measured at the output end. (Note: The false wiring may result in the damage of the sensor) 2.Custom design in the different rated input current and the output voltage available. Characteristics chart Pulse...

Open the catalog to page 2

RTC035A series

RTC035A series

Catalog excerpts

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