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Overview

CSN Series closed loop linear current sensor, measures ac, dc or impulse current, 300 A nominal, ±600 A range, Molex gold pin connector, 2000 turns.
CSN Series closed loop linear current sensors are based on magnetoresistive or Hall-effect technology 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.
CSNL281-007 Closed Loop Current Sensors - Honeywell


Technical Specifications

Product Type Closed loop linear
Sensed Current Type ac or dc
Sensed Current Range ±600 A
Package Type PCB Attached
Output Type Current
Continuous Current ±600 A
Operate Current 300 A RMS at 25°C
Supply Current ±14 mA + Output
Supply Voltage ±12.0 Vdc to ±18.0 Vdc
Offset Current < ±0.3 mA
Offset Current Drift < ±0.5 mA
Coil Resistance 25 Ohm
Response Time < 0.5 µs
Coil Turns 2000
Output Nominal 150 mA
Operating Temperature -40°C to 85°C [-40°F to 185°F]
Storage Temperature -40°C to 90°C [-40°F to 194°F]
Measuring Resistance 0 Ohm min., 50 Ohm max.
Housing Material Polycarbonate/ABS Blend (UL94-V0)
Mounting Panel
Pinout Style Molex (3-way)
Accuracy ±0.5 %
Availability Global
Comment Open-frame 300A sensor with 3-way gold pin Molex connector.
UNSPSC Code 41111928
UNSPSC Commodity 41111928 Current Sensors
Series Name CSN

Technical Specifications

Product Type Closed loop linear
Sensed Current Type ac or dc
Sensed Current Range ±600 A
Package Type PCB Attached
Output Type Current
Continuous Current ±600 A
Operate Current 300 A RMS at 25°C
Supply Current ±14 mA + Output
Supply Voltage ±12.0 Vdc to ±18.0 Vdc
Offset Current < ±0.3 mA
Offset Current Drift < ±0.5 mA
Coil Resistance 25 Ohm
Response Time < 0.5 µs
Coil Turns 2000
Output Nominal 150 mA
Operating Temperature -40°C to 85°C [-40°F to 185°F]
Storage Temperature -40°C to 90°C [-40°F to 194°F]
Measuring Resistance 0 Ohm min., 50 Ohm max.
Housing Material Polycarbonate/ABS Blend (UL94-V0)
Mounting Panel
Pinout Style Molex (3-way)
Accuracy ±0.5 %
Availability Global
Comment Open-frame 300A sensor with 3-way gold pin Molex connector.
UNSPSC Code 41111928
UNSPSC Commodity 41111928 Current Sensors
Series Name CSN

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
Current Sensors Product Line Guide English 870KB
Current Sensors Product Range Guide English 885KB

Product Features

  • Current sensing up to 1275 amps (depending on product listing)
  • Measures ac, dc and impulse currents
  • Competitive cost/performance ratio
  • Rapid response
  • High overload capability
  • High level of electrical isolation between primary and secondary circuits
  • Industrial operating temperature range
  • Small size and weight

Applications

  • Variable speed drives
  • Overcurrent protection
  • Ground fault detectors
  • Current feedback control systems
  • Robotics
  • UPS and telecommunication power supplies
  • Welding power supplies
  • Automotive - Battery management systems
  • Wattmeters

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