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current transducer LEM LA35 NP featuring 35 amp primary current and 35 milliamp secondary nominal current
current transducer LEM LA35 NP featuring 35 amp primary current and 35 milliamp secondary nominal current
Specifications
Standby Current :
10mA
working temperature :
-25℃~+70℃
Current Range :
±70A
Voltage - Supply :
±15V
Band Width :
150kHz
Response Time (tr) :
1us
Bidirectional Current Detection :
Support
Description :
±70A Current Sensors RoHS
Mfr. Part # :
LA35-NP
Model Number :
LA35-NP
Description

Product Overview

The LA 35-NP is a closed-loop, multi-range current transducer utilizing Hall effect technology for the electronic measurement of DC, AC, pulsed, and mixed currents. It provides galvanic isolation between the high-power primary circuit and the electronic secondary circuit. This transducer offers excellent accuracy, very good linearity, low temperature drift, optimized response time, and a wide frequency bandwidth, making it suitable for various power electronics applications.

Product Attributes

  • Brand: LEM
  • Certifications: UL 94-V0
  • Standards: EN 50178 : 1997
  • Insulation: Basic isolation 1700 V, Safe separation 600 V
  • Pollution class: 2

Technical Specifications

ParameterValueUnitNotes
Primary nominal r.m.s. current (IPN)35A1)
Primary current, measuring range0 .. 70AAt IP max
Measuring resistance (RM min / RM max)60 / 150With 15 V @ 35 A max
Measuring resistance (RM min / RM max)60 / 85With 70 A max
Secondary nominal r.m.s. current (ISN)35mA
Conversion ratio (KN)1000: 1
Supply voltage (VC) ( 5 %) 15V
Current consumption (IC)10 + ISmA
R.m.s. voltage for AC isolation test (Vd), 50 Hz, 1 mn2.5kV
R.m.s. rated voltage (Vb), safe separation600V2)
R.m.s. rated voltage (Vb), basic isolation1700V
Typical accuracy @ IPN, TA = 25C 0.5%
Linearity< 0.2%Typ
Offset current (IO) @ IP = 0, TA = 25C 0.10 / 0.20mA3)
Residual current (IOM) @ IP = 0, after overload 0.05 / 0.15mA4)
Thermal drift of IO (- 25C .. + 70C) 0.15 / 0.50mA
Response time (tr) @ 90 % of IPN< 1s5)
di/dt accurately followed> 50A/s
Frequency bandwidth (- 1 dB)DC .. 150kHz
Ambient operating temperature (TA)- 25 .. + 70C
Ambient storage temperature (TS)- 40 .. + 85C
Primary resistance per turn @ TA = 25C< 1.25m
Secondary coil resistance @ TA = 70C80
Isolation resistance @ 500 V, TA = 25C> 1500M
Mass22g

Applications

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

2501081620_LEM-LA35-NP_C5891324.pdf

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current transducer LEM LA35 NP featuring 35 amp primary current and 35 milliamp secondary nominal current

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Product Detail
Standby Current :
10mA
working temperature :
-25℃~+70℃
Current Range :
±70A
Voltage - Supply :
±15V
Band Width :
150kHz
Response Time (tr) :
1us
Contact Supplier
current transducer LEM LA35 NP featuring 35 amp primary current and 35 milliamp secondary nominal current

Changsha Purple Horn E-Commerce Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2009
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer
Main Products :
Analog and Digital Output, Pressure Sensors, Transducers, Sensor, Transducer Amplifiers
Employee Number :
300~500
Certification Level :
Verified Supplier
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