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Honeywell CSNS300F Closed Loop Current Sensor

The Honeywell CSNS300F closed-loop current sensor provides a flexible solution for measuring currents up to ±600A. Utilizing the Hall effect and null balance method, it offers high accuracy and a wide measuring range. Suitable for variable speed drives, power supply systems, and battery management systems, this sensor is available with integral Molex connector, PCB mounting pins, or flying lead connections. Its small size and large primary through hole accommodate various cable and busbar sizes, making it versatile for diverse industrial applications.

Authorized Distributors
Source:Newark
Part No:CSNS300F
Stock:7
Inv Date:06-01-2026
Price: Unit price: $289.25
Buy/RFQ:
Source:DigiKey
Part No:CSNS300F
Stock:7
Inv Date:06-01-2026
Price: Unit price: $211.5
Buy/RFQ:
Part No:CSNS300F
Stock:0
Inv Date:06-02-2026
Price: Unit price: $236.05
Buy/RFQ:
Part No:CSNS300F
Stock:0
Inv Date:06-01-2026
Price: Unit price: $314.97
Buy/RFQ:
Part No:CSNS300F
Stock:1
Inv Date:06-01-2026
Price: Unit price: $241.31
Buy/RFQ:

Honeywell CSNS300F Closed Loop Current Sensor Specifications:

  • Nominal current (In): 300 A.t rms
  • Measuring range (dc or ac peak): 0 to ± 600 A.t
  • Measuring resistance (@ +70 °C): 5-95 Ohm
  • Nominal analogue output current: 150 mA
  • Turns ratio: 1/2000
  • Accuracy @ 25 °C: ± 0.5 % @ In
  • Supply voltage: ± 15 Vdc (± 5 %)
  • Galvanic isolation: 6 kV rms/50 Hz/1 minute
  • Zero offset current at 25 °C: < ± 0.2 mA
  • Thermal drift of offset current 0 °C to 70 °C: < ± 0.4 mA
  • Linearity: < ± 0.1 %
  • Response time: < 500 ns
  • Bandwidth: dc to 150 kHz
  • di/dt: > 100 A/us
  • Operating temperature: -40 °C to 85 °C
  • Storage temperature: -40 °C to 90 °C
  • Current consumption: 10 mA plus output current
  • Secondary internal resistance (@ 70 °C): 34 Ohm
  • Sensor housing: Insulated plastic case
  • Connection (CSNS300M): Molex connector
  • Connection (CSNS300P): PCB connection
  • Connection (CSNS300F): Flyinglead and Molex connector

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Frequently Asked Questions

Where can I buy Honeywell CSNS300F?

You can click on the BUY or RFQ button to purchase CSNS300F from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part CSNS300F?

You can download the CSNS300F datasheet or visit the Honeywell website for support.

Who is the manufacturer of CSNS300F?

Honeywell

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