Collection: Circuit Protection
Circuit Protection Components for Industrial Electrical Systems
Apexon Supply provides circuit protection components for industrial electrical systems, control panels, power distribution equipment, automation machinery, renewable energy systems, and maintenance repair projects. This collection includes general industrial fuses, high-speed fuses, solar fuses, fuse bases, fuse switch-disconnectors, molded case circuit breakers, circuit board modules, and related protection components.
These products are commonly used for short-circuit protection, overload protection, semiconductor protection, motor control circuits, photovoltaic systems, battery and energy storage equipment, power modules, and industrial control cabinets. For industrial buyers, exact part number matching, current rating, voltage rating, breaking capacity, fuse size, mounting style, trip characteristics, and replacement suitability are often critical before purchasing.
Apexon Supply supports global B2B sourcing for both standard and hard-to-find circuit protection parts. If the original item is obsolete, discontinued, or difficult to source locally, our team can help review the part number, nameplate, datasheet, photos, or equipment information and check possible replacement or cross-reference options.
For RFQ, bulk purchasing, proforma invoice, bank wire payment, or international delivery support, please contact our sales team with the part number, brand, quantity, and any technical specifications available.
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Mersen A50P400-4TA / 782001140663 Amp-Trap A50P High Speed Semiconductor Fuse, 400A, 500VAC/450VDC
Regular price From $120.00 USDRegular priceSale price From $120.00 USD -
Mersen A50P400-4TI / 782001946289 Amp-Trap A50P High Speed Semiconductor Fuse, 400A, 500VAC/450VDC
Regular price From $80.00 USDRegular priceSale price From $80.00 USD -
Mersen A50P400-4 400A Fuses (5 Pieces)
Regular price $400.00 USDRegular priceSale price $400.00 USD -
Mersen Amp‑Trap® A50P A50P400-4 High‑Speed Blade Fuse, 400A 500VAC / 450VDC — Pack of 5
Regular price $600.00 USDRegular priceSale price $600.00 USD -
Mersen Amp-Trap® A50P A50P350-4TI High-Speed Blade Fuse with TI Indicator, 350A 500VAC / 450VDC — Pack of 5
Regular price $400.00 USDRegular priceSale price $400.00 USD -
Mersen Amp-Trap® A50P A50P350-4 High-Speed Blade Fuse, 350A 500VAC / 450VDC — Pack of 10
Regular price $600.00 USDRegular priceSale price $600.00 USD -
Mersen Amp-Trap® A50P A50P325-4 High-Speed Blade Fuse, 325A 500VAC / 450VDC
Regular price From $80.00 USDRegular priceSale price From $80.00 USD -
Mersen A50P300-4TI 300A Fuses (10 Pieces)
Regular price $350.00 USDRegular priceSale price $350.00 USD -
Mersen Amp-Trap® A50P A50P300-4TA High-Speed Blade Fuse with TA Indicator, 300A 500VAC / 450VDC — Pack of 5
Regular price $380.00 USDRegular priceSale price $380.00 USD -
Mersen Amp-Trap® A50P A50P300-4 High-Speed Blade Fuse, 300A 500VAC / 450VDC — Pack of 10
Regular price $250.00 USDRegular priceSale price $250.00 USD -
Mersen A50P275-4 275A Fuses (10 Pieces)
Regular price $400.00 USDRegular priceSale price $400.00 USD -
Mersen Amp-Trap® A50P A50P100-4TI High-Speed Blade Fuse with TI Indicator, 100A 500VAC / 450VDC — Pack of 10
Regular price $260.00 USDRegular priceSale price $260.00 USD -
Mersen A50P100-4 100A Fuses (10 Pieces)
Regular price $300.00 USDRegular priceSale price $300.00 USD -
Mersen A50P90-4 90A Fuses (10 Pieces)
Regular price $300.00 USDRegular priceSale price $300.00 USD -
Mersen A50P80-4 80A Fuses (10 Pieces)
Regular price $240.00 USDRegular priceSale price $240.00 USD -
Mersen A50P70-4 70A Fuses (10 Pieces)
Regular price $240.00 USDRegular priceSale price $240.00 USD -
Mersen A50P60-4 60A Fuses (10 Pieces)
Regular price $130.00 USDRegular priceSale price $130.00 USD -
Mersen Amp-Trap® A50P A50P50-4 High-Speed Blade Fuse, 50A 500VAC / 450VDC — Pack of 10
Regular price $180.00 USDRegular priceSale price $180.00 USD -
Mersen Amp-Trap® A50P A50P40-4 High-Speed Blade Fuse, 40A 500VAC / 450VDC — Pack of 10
Regular price $130.00 USDRegular priceSale price $130.00 USD -
Mersen A50P35-4 35A Fuses (10 Pieces)
Regular price $120.00 USDRegular priceSale price $120.00 USD