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 If the original item is obsolete, discontinued, or difficult to source locally, our team can help review the part number, nameplate, datasheet, photos, or equipment information and check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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Ferraz Shawmut L300551 - PC71UD11C500D1A Fuses (4 Pieces)
Regular price $400.00 USDRegular priceSale price $400.00 USD -
Ferraz Shawmut K300550 - PC71UD13C450D1A Fuses (4 Pieces)
Regular price $400.00 USDRegular priceSale price $400.00 USD -
Ferraz Shawmut J300549 - PC71UD13C400D1A Fuses
Regular price $187.00 USDRegular priceSale price $187.00 USD -
Bussmann 170M5690 315A Fuses
Regular price $120.00 USDRegular priceSale price $120.00 USD -
Bussmann 170M5689 280A Fuses
Regular price $120.00 USDRegular priceSale price $120.00 USD -
Bussmann 170M5688 250A 1250V Fuses
Regular price $120.00 USDRegular priceSale price $120.00 USD -
Bussmann 170M4210 Fuses
Regular price $130.00 USDRegular priceSale price $130.00 USD -
Bussmann 170M4160 Fuses
Regular price $130.00 USDRegular priceSale price $130.00 USD -
Eaton (Bussmann) 170M4209 — 170M Series High‑Speed Square‑Body Fuse, 250 A, 690 V AC (700 V UL), aR Semiconductor Protection, Fuse Size 1, Top Status Indicator (TN/110) — Pack of 3
Regular price $250.00 USDRegular priceSale price $250.00 USD -
Bussmann 170M4159 Fuses
Regular price $130.00 USDRegular priceSale price $130.00 USD -
Eaton (Bussmann) 170M4208 High‑Speed Square‑Body Fuse — 200A, 690 VAC aR Semiconductor Protection, 200 kAIC, Class aR (DIN 43653) — Pack of 3
Regular price $300.00 USDRegular priceSale price $300.00 USD -
Bussmann 170M4158 Fuses
Regular price $188.00 USDRegular priceSale price $188.00 USD -
Bussmann 170M6766 1250A Fuses
Regular price $188.00 USDRegular priceSale price $188.00 USD -
Bussmann 170M6666 1250A 690V Fuses
Regular price $188.00 USDRegular priceSale price $188.00 USD -
Bussmann 170M4982 250A 1000V Fuses
Regular price $128.00 USDRegular priceSale price $128.00 USD -
Bussmann 170M4981 200A Fuses
Regular price $128.00 USDRegular priceSale price $128.00 USD -
Bussmann 170M4980 160A 1000V Fuses
Regular price $128.00 USDRegular priceSale price $128.00 USD -
SIAB NH SIZE 1 GG BLADE FUSE 690V 40A 2021113-40 Fuses
Regular price $78.00 USDRegular priceSale price $78.00 USD -
SIAB NH SIZE 1 GG BLADE FUSE 690V 63A 2021113-63 Fuses
Regular price $78.00 USDRegular priceSale price $78.00 USD -
HUFENG RL30-16 660V Fuses
Regular price $85.00 USDRegular priceSale price $85.00 USD