<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001960431</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<formData>
<issuerInfo>
<issuerCik>0000729580</issuerCik>
<issuerName>BEL FUSE INC /NJ</issuerName>
<secFileNumber>000-11676</secFileNumber>
<issuerAddress>
<com:street1>300 EXECUTIVE DRIVE</com:street1>
<com:street2>SUITE 300</com:street2>
<com:city>WEST ORANGE</com:city>
<com:stateOrCountry>NJ</com:stateOrCountry>
<com:zipCode>07052</com:zipCode>
</issuerAddress>
<issuerContactPhone>2014320463</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Berry Joseph Francis</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Officer</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Class B Common Stock</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
<address>
<com:street1>1 New York Plaza</com:street1>
<com:street2>8th Floor</com:street2>
<com:city>New York</com:city>
<com:stateOrCountry>NY</com:stateOrCountry>
<com:zipCode>10004</com:zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>1000</noOfUnitsSold>
<aggregateMarketValue>80000.00</aggregateMarketValue>
<noOfUnitsOutstanding>10430048</noOfUnitsOutstanding>
<approxSaleDate>11/25/2024</approxSaleDate>
<securitiesExchangeName>NASDAQ</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Class B Common Stock</securitiesClassTitle>
<acquiredDate>11/15/2021</acquiredDate>
<natureOfAcquisitionTransaction>RSA grant 11/15/2021 (vested 11/15/2023)</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Bel Fuse Inc.</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>1500</amountOfSecuritiesAcquired>
<paymentDate>11/15/2021</paymentDate>
<natureOfPayment>RSA grant 11/15/2021 (vested 11/15/2023)</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<noticeSignature>
<noticeDate>11/25/2024</noticeDate>
<signature>/s/ Joseph Francis Berry </signature>
</noticeSignature>
</formData>
</edgarSubmission>
