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【Heavy Duty】Power distribution block can deal with 300 Amp continuous amperage at Max 300V AC or 48V DC voltage. 【Waterproof & Dustproof】that's

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Iztoss 300A Bus Bar Heavy-Duty Module Design Power Distribution Block 12V 24V 48V DC Busbar Box with 4X M8(5/16) Terminal Studs - AliExpress

Iztoss 300A Bus Bar Heavy-Duty Module Design Power Distribution Block 12V 24V 48V DC Busbar Box with 4X M8(5/16) Terminal Studs - AliExpress

Modular Design Heavy Duty 300A ANL Fuse Block Bus Bar Series

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300A Bus Bar Heavy Duty Power Distribution Block Busbar Box Module Design with 4X M8 (5/16) Terminal Studs For Car RV Boat - AliExpress