LA 25-NP current transducer
LA 25-NP current transducer

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Manufacturer: LEM

LA 25-NP current transducer

  • LA 25-NP
  • Accuracy 0.5
  • Rated Current [A] 25
  • Primary signal [AC / AC+DC / DC] AC+DC
  • Supply voltage [V] ±15
  • Mounting [THT / SMD / DIN / Panel / On primary rail] THT
  • App Drives/Power Supplies/Renewable Energy/Welding
  • Output signal type [current/voltage] voltage
  • Minimum operating temperature [°C] -40
  • Maximum operating temperature [°C] 85
  • Frequency response (-3dB) [kHz] 150
  • Feedback loop [open / closed] // Eta technology closed

Description:

Designed for electronic current measurement: DC, AC, pulsed, etc., with galvanic isolation between the primary and secondary circuits.

Main Features:

  • Closed-loop (compensated) current transducer using the Hall effect
  • Insulated plastic housing according to UL 94-V0
  • Excellent accuracy
  • Very good linearity
  • Low temperature drift
  • Optimized response time
  • Wide bandwidth
  • No insertion losses
  • High immunity to external interference
  • Overload capability Current Drives

Applications:

  • Variable Speed ​​AC Drives and Servo Motors
  • Static Converters for DC Motor Drives
  • Battery-Powered Applications
  • Uninterruptible Power Supplies (UPS)
  • Switched-Mode Power Supplies (SMPS)
  • Power Supplies for Welding Applications

Technical Data:

Parameter Value
Rated Primary Current RMS 25A
Primary current measurement range 0…±36A
Resistance measurement at: TA=70°C TA=85°C
RM min RM max RM min RM max
±15V ±25Amax 100Ω 320Ω 100Ω 315Ω
±36Amax 100Ω 190Ω 100Ω 185Ω
Rated RMS Secondary Current 25mA
Transmission Ratio 1-2-3-4-5: 1000
Supply Voltage (±5%) ±15V
Current Consumption 10 + ISmA
Error at IPN, TA=25°C ±0.5%
Frequency Response (-1dB) DC…150kHz
Operating Temperature -40÷85°C
Storage Temperature -40÷95°C
Secondary Winding Resistance at: TA=70°C 110Ω
TA=85°C 115Ω
Insulation resistance at: 500V, TA=25°C > 1500MΩ
Weight 22g
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  • Accuracy 0.5
  • Rated Current [A] 25
  • Primary signal [AC / AC+DC / DC] AC+DC
  • Supply voltage [V] ±15
  • Mounting [THT / SMD / DIN / Panel / On primary rail] THT
  • App Drives/Power Supplies/Renewable Energy/Welding
  • Output signal type [current/voltage] voltage
  • Minimum operating temperature [°C] -40
  • Maximum operating temperature [°C] 85
  • Frequency response (-3dB) [kHz] 150
  • Feedback loop [open / closed] // Eta technology closed

Description:

Designed for electronic current measurement: DC, AC, pulsed, etc., with galvanic isolation between the primary and secondary circuits.

Main Features:

  • Closed-loop (compensated) current transducer using the Hall effect
  • Insulated plastic housing according to UL 94-V0
  • Excellent accuracy
  • Very good linearity
  • Low temperature drift
  • Optimized response time
  • Wide bandwidth
  • No insertion losses
  • High immunity to external interference
  • Overload capability Current Drives

Applications:

  • Variable Speed ​​AC Drives and Servo Motors
  • Static Converters for DC Motor Drives
  • Battery-Powered Applications
  • Uninterruptible Power Supplies (UPS)
  • Switched-Mode Power Supplies (SMPS)
  • Power Supplies for Welding Applications

Technical Data:

Parameter Value
Rated Primary Current RMS 25A
Primary current measurement range 0…±36A
Resistance measurement at: TA=70°C TA=85°C
RM min RM max RM min RM max
±15V ±25Amax 100Ω 320Ω 100Ω 315Ω
±36Amax 100Ω 190Ω 100Ω 185Ω
Rated RMS Secondary Current 25mA
Transmission Ratio 1-2-3-4-5: 1000
Supply Voltage (±5%) ±15V
Current Consumption 10 + ISmA
Error at IPN, TA=25°C ±0.5%
Frequency Response (-1dB) DC…150kHz
Operating Temperature -40÷85°C
Storage Temperature -40÷95°C
Secondary Winding Resistance at: TA=70°C 110Ω
TA=85°C 115Ω
Insulation resistance at: 500V, TA=25°C > 1500MΩ
Weight 22g
Less
Read more
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