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Description
ABB REX521 Protection Relay Bottom PriceBrand: ABB Condition: 100% New Original Payment Terms: T T Minimum Order Quantity: 1pc Product Description: ABB REX521 Protection Relay The ABB REX521 is a compact and versatile protection relay designed primarily for the protection of medium voltage networks and equipment. It is part of ABBs extensive range of protective devices that ensure reliability and efficiency in power distribution systems. The REX521 is engineered to provide comprehensive
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 1626 reviews
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Product Reviews
★★★★★ 5
Works perfect for BMW S63 engine.
I used this to change the oil on my BMW M8 with the S63 engine. It was a perfect fit. It extended far enough onto the filter housing to be quite secure with no risk of slipping off and stripping the housing. It was snug on the housing and did not bind up due to having a loose fit. The tool feels well-built and I suspect it will outlive me given my occasional personal use. It would still probably hold up well even for daily shop use as long as it was not abused (repeatedly dropped, slammed around, etc).
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Reviewed in the United States on September 8, 2025
★★★★★ 5
Made well and great fit
Fits perfectly and is made well
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Make sure you know the size
Yes worked like a charm
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Great fitment, made changing the oil filter easy
Perfect fit for my m760i oil filter housing.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
s tier quality
superior quality, single cast aluminum 👍
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Reviewed in the United States on May 2, 2026
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