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Part number: 20 31 030 0302
Current Sensor HCM 300A-0-20-SB4-0
Current Sensor HCM 300A-0-20-SB4-0

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Properties Overview
Current sensor
Industrial version
IPM Primary current
measuring range: ‌0 ... ±,500 A
KN Turns ratio: 1 : 2000
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Part number: 20 31 030 0302
Current Sensor HCM 300A-0-20-SB4-0
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Product Details
Identification
  • Category Current measurement
  • Series HCM
  • Element Current sensor
  • Sensor technology
    Hall-Effekt
    Closed loop
  • Features
    Hall effect compensated current sensor
    Measurable currents: AC, DC, pulsed, mixed ...
    High accuracy over the entire measuring range
    Galvanic insulation between primary and secondary current
    Switchboard mounting
    Housing material and potting mass have a flammability rating UL 94 V-0
    Applications: frequency converters, electrical drives, switched mode power suppplies, UPS
Version
  • Termination 3x steel screw M4
  • Field of application Industrial version
Technical characteristics
  • IPN Nominal primary current 300 A
  • IPM Primary current, measuring range [‌0] ... [±500 A]
  • RM Measuring resistance @ IPM max, UC max, TA max 1 ... ‌40 Ω For other primary currents see diagram.
  • ISN Nominal secondary current 150 mA
  • KN Turns ratio 1 : 2000
  • UC Power supply ±12 ... ±20 V ±5 %
  • IC Current consumption @ UC min 26 mA + IS
  • X Overall accuracy @ IPN, TA = 25 °C ± 0.5 %
  • ΕL Linearity < 0.1 %
  • IO Offset current @ IP = 0 A, TA = 25 °C ± 0.4 mA
  • IOT maximum temperature drift of IO ± 0.7 mA
  • tr Response time @ IPN < 1 µs
  • di/dt with optimal coupling > 100 A/µs
  • f Frequency 0 ... 100 kHz
  • TA Ambient temperature -40 ... +85 °C
  • TS Storage temperature -45 ... +90 °C
  • RS Secondary coil resistance @ TA max 28 Ω
  • UD Test voltage, effective (50 Hz, 1 min) 3 kV Primary - secondary
  • USt Rated impulse voltage (1,2/50 µs) 10 kV
  • UB Rated voltage 600 V
  • Overvoltage category III
  • Pollution degree 2
  • Ls Clearance distance ‌ 17.8 mm
  • Ks Creepage distance ‌ 18.5 mm
  • Tightening torque
    ‌3.2 Nm (2x steel screw M4 - Vertical)
    ‌3.2 Nm (4x steel screw M4 - Horizontal)
Material properties
  • Material (hood/housing) Polycarbonate (PC)
  • Material flammability class acc. to UL 94 V-0
  • REACH Annex XVII substances No
  • REACH ANNEX XIV substances No
Specifications and approvals
  • Specifications
    EN 50178
    IEC 61373
  • Approvals DNV GL
  • CE Yes
Commercial data
  • Packaging size 1
  • Net weight 132.8 g
  • Country of origin Romania
  • European customs tariff number 90303370
  • eCl@ss 27210902 Current transformer
Documentation
Data Sheet

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Type Sheet

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Engineering Data
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