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                                                                                                  1. Home
                                                                                                  2. Sensors & Transducers
                                                                                                  3. Sensors
                                                                                                  4. Current Sensors & Transducers
                                                                                                  5. Current Sensors
                                                                                                  Print Page

                                                                                                  CSNS300M

                                                                                                  CURRENT SENSOR, 300A

                                                                                                  HONEYWELL
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  HONEYWELL CSNS300M
                                                                                                  ManufacturerHONEYWELL
                                                                                                  Manufacturer Part NoCSNS300M
                                                                                                  Order Code5081798
                                                                                                  Product RangeCSN Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  No Longer Stocked

                                                                                                  Product Information

                                                                                                  HONEYWELL
                                                                                                  ManufacturerHONEYWELL
                                                                                                  Manufacturer Part NoCSNS300M
                                                                                                  Order Code5081798
                                                                                                  Product RangeCSN Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Sensor Output TypeClosed Loop
                                                                                                  Supply Voltage DC Min12V
                                                                                                  Supply Voltage Range± 12V to 18V
                                                                                                  Measured CurrentAC / DC / Impulse
                                                                                                  Supply Voltage DC Max18V
                                                                                                  Accuracy0.5%
                                                                                                  Current Measuring Range DC-600A to 600A
                                                                                                  Current Measuring Range AC-600A to 600A
                                                                                                  Current Sensor TechnologyClosed Loop Hall Effect
                                                                                                  Primary Current-320A to 320A, -600A to 600A
                                                                                                  Response Time0.5µs
                                                                                                  Secondary Signal Type-
                                                                                                  Accuracy0.5%
                                                                                                  Sensor MountingThrough Hole
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max85°C
                                                                                                  Product RangeCSN Series

                                                                                                  Product Overview

                                                                                                  The CSNS300M is a closed loop linear Current Sensor is based on the principles of the magnetoresistive or hall effects and the null balance or zero magnetic flux method (feedback system). The magnetic flux in the sensor core is constantly controlled at zero. The amount of current required to balance zero flux is the measure of the primary current flowing through the conductor, multiplied by the ratio of the primary to secondary windings. This closed loop current is the output from the device and presents an image of the primary current reduced by the number of secondary turns at any time. This current can be expressed as a voltage by passing it through a resistor.

                                                                                                  • Current sensing up to 1275A (depending on product listing)
                                                                                                  • Measures AC, DC and impulse currents
                                                                                                  • Rapid response
                                                                                                  • High overload capability
                                                                                                  • High level of electrical isolation between primary and secondary circuits
                                                                                                  • Industrial operating temperature range
                                                                                                  • Small size and weight
                                                                                                  • 31Ω coil resistance
                                                                                                  • 2000 coil turns
                                                                                                  • Glass-filled PBT (UL94-V0) housing
                                                                                                  • Panel mounting
                                                                                                  • Molex (3-way) pinout style

                                                                                                  Applications

                                                                                                  Motor Drive & Control, Safety, Sensing & Instrumentation, Robotics, Power Management, Communications & Networking, Automotive, Metering

                                                                                                  Warnings

                                                                                                  Do not use this product as safety or emergency stop devices or in any other application where failure of the product could result in personal injury.

                                                                                                  Technical Specifications

                                                                                                  Sensor Output Type

                                                                                                  Closed Loop

                                                                                                  Supply Voltage Range

                                                                                                  ± 12V to 18V

                                                                                                  Supply Voltage DC Max

                                                                                                  18V

                                                                                                  Current Measuring Range DC

                                                                                                  -600A to 600A

                                                                                                  Current Sensor Technology

                                                                                                  Closed Loop Hall Effect

                                                                                                  Response Time

                                                                                                  0.5µs

                                                                                                  Accuracy

                                                                                                  0.5%

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  Product Range

                                                                                                  CSN Series

                                                                                                  Supply Voltage DC Min

                                                                                                  12V

                                                                                                  Measured Current

                                                                                                  AC / DC / Impulse

                                                                                                  Accuracy

                                                                                                  0.5%

                                                                                                  Current Measuring Range AC

                                                                                                  -600A to 600A

                                                                                                  Primary Current

                                                                                                  -320A to 320A, -600A to 600A

                                                                                                  Secondary Signal Type

                                                                                                  -

                                                                                                  Sensor Mounting

                                                                                                  Through Hole

                                                                                                  Operating Temperature Max

                                                                                                  85°C

                                                                                                  Technical Docs (3)

                                                                                                  Technical Data Sheet EN

                                                                                                  Drawing EN

                                                                                                  Application Note EN

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  China
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:90328900
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Y-Ex

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.062732
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