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

                                                                                                    LF 310-S

                                                                                                    Current Transducer, LF Series, 300A, -500A to 500A, 0.2 %, Closed Loop Output, 12 Vdc to 20 Vdc

                                                                                                    LEM
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    LEM LF 310-S
                                                                                                    ManufacturerLEM
                                                                                                    Manufacturer Part NoLF 310-S
                                                                                                    Order Code2664244
                                                                                                    Product RangeLF Series
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    560 In Stock

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                                                                                                    QuantityPrice
                                                                                                    1+HK$808.690
                                                                                                    5+HK$750.690
                                                                                                    10+HK$729.070
                                                                                                    25+HK$703.190
                                                                                                    50+HK$692.130
                                                                                                    100+HK$681.070
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                                                                                                    Product Information

                                                                                                    LEM
                                                                                                    ManufacturerLEM
                                                                                                    Manufacturer Part NoLF 310-S
                                                                                                    Order Code2664244
                                                                                                    Product RangeLF Series
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Sensor Output TypeCurrent
                                                                                                    Supply Voltage Range± 11.4V to ± 21V
                                                                                                    Supply Voltage DC Min-11.4V
                                                                                                    Measured CurrentAC / DC / Pulsed
                                                                                                    Supply Voltage DC Max21V
                                                                                                    Accuracy± 0.2%
                                                                                                    Current Measuring Range DC-500A to 500A
                                                                                                    Current Measuring Range AC-500A to 500A
                                                                                                    Current Sensor TechnologyClosed Loop, Hall Effect
                                                                                                    Response Time500ns
                                                                                                    Primary Current300A
                                                                                                    Accuracy0.2%
                                                                                                    Secondary Signal Type150mA
                                                                                                    Sensor MountingPanel Mount
                                                                                                    Operating Temperature Min-40°C
                                                                                                    Operating Temperature Max85°C
                                                                                                    Product RangeLF Series
                                                                                                    SVHCNo SVHC (27-Jun-2024)

                                                                                                    Product Overview

                                                                                                    LF 310-S is a current transducer. It is used for the for the electronic measurement of DC, AC, pulsed current with galvanic separation between the primary and the secondary circuit. Applications include windmill inverters, test and measurement, substations, AC variable speed and servo motor drives, statics converters for DC motors drives, battery supplied applications, uninterruptible power supplies (UPS), switched mode power supplies (SMPS).

                                                                                                    • Bipolar and insulated current measurement up to 500A
                                                                                                    • Current output, closed loop (compensated) current transducer
                                                                                                    • Panel mounting, high accuracy, very low offset drift over temperature
                                                                                                    • 100KHz typ frequency bandwidth at (RM = 50 ohm, -3dB)
                                                                                                    • Supply voltage range from ±11.4V to ±21V
                                                                                                    • 0.1% typ sensitivity error, 0.25A typ secondary current
                                                                                                    • 0.5µs typ reaction time at 10% of IPN
                                                                                                    • Linearity error is 0.05% of IPN typ
                                                                                                    • Ambient temperature range from -40C to 85°C
                                                                                                    • High accuracy and very low offset drift over temperature

                                                                                                    Technical Specifications

                                                                                                    Sensor Output Type

                                                                                                    Current

                                                                                                    Supply Voltage DC Min

                                                                                                    -11.4V

                                                                                                    Supply Voltage DC Max

                                                                                                    21V

                                                                                                    Current Measuring Range DC

                                                                                                    -500A to 500A

                                                                                                    Current Sensor Technology

                                                                                                    Closed Loop, Hall Effect

                                                                                                    Primary Current

                                                                                                    300A

                                                                                                    Secondary Signal Type

                                                                                                    150mA

                                                                                                    Operating Temperature Min

                                                                                                    -40°C

                                                                                                    Product Range

                                                                                                    LF Series

                                                                                                    Supply Voltage Range

                                                                                                    ± 11.4V to ± 21V

                                                                                                    Measured Current

                                                                                                    AC / DC / Pulsed

                                                                                                    Accuracy

                                                                                                    ± 0.2%

                                                                                                    Current Measuring Range AC

                                                                                                    -500A to 500A

                                                                                                    Response Time

                                                                                                    500ns

                                                                                                    Accuracy

                                                                                                    0.2%

                                                                                                    Sensor Mounting

                                                                                                    Panel Mount

                                                                                                    Operating Temperature Max

                                                                                                    85°C

                                                                                                    SVHC

                                                                                                    No SVHC (27-Jun-2024)

                                                                                                    Technical Docs (3)

                                                                                                    Product Change Notice EN

                                                                                                    CAD Multiple Formats EN

                                                                                                    Technical Data Sheet EN

                                                                                                    Legislation and Environmental

                                                                                                    Country of Origin:
                                                                                                    Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                    Bulgaria
                                                                                                    Country in which last significant manufacturing process was carried out
                                                                                                    Tariff No:90303370
                                                                                                    US ECCN:EAR99
                                                                                                    EU ECCN:NLR
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:No SVHC (27-Jun-2024)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Weight (kg):.107
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