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 If the original item is obsolete, discontinued, or difficult to source locally, our team can help review the part number, nameplate, datasheet, photos, or equipment information and check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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Siemens 3VL3725-1AA36-0AA0 VL250N Molded Case Circuit Breaker, 3‑Pole, ≤250 A (In), Icu 55 kA @ 415 V — No Overcurrent Release
Regular price $500.00 USDRegular priceSale price $500.00 USD -
Siemens 3VL3725-3AA36-0AA0 VL250L Molded Case Circuit Breaker, 3‑Pole, ≤250 A (In), Icu 100 kA @ 415 V — No Electronic Trip Unit
Regular price $600.00 USDRegular priceSale price $600.00 USD -
Siemens 3VL3725-1DC36-0AA0-Z U01 Sentron VL250 Circuit Breaker, 250A 3-Pole, Thermal-Magnetic Trip
Regular price $600.00 USDRegular priceSale price $600.00 USD -
Eaton Moeller DILM150(RAC240) — DILM Series 3‑Pole Contactor, 75 kW @ 380–400 V, RAC240 Coil 190–240 VAC 50/60 Hz, Screw Terminals, IEC/UL Certified
Regular price $550.00 USDRegular priceSale price $550.00 USD -
Siemens 3VL3 Series 3VL3725-1DC36-0AA0-Z — 3‑Pole Molded Case Circuit Breaker (MCCB), 250A, Thermal‑Magnetic Adjustable (50°C), Standard Breaking Capacity: 55 kA @ 415V / 12 kA @ 690V
Regular price $700.00 USDRegular priceSale price $700.00 USD -
Schneider Electric 65446 MicroLogic 5.0 D Control Unit, MasterPact NT/NW, LSI Protection, 3P/4P, Fixed/Drawout
Regular price $2,000.00 USDRegular priceSale price $2,000.00 USD -
Schneider Electric 47061 MicroLogic 5.0 H Control Unit, MasterPact NT/NW, LSI Protection, 3P/4P, Fixed/Drawout
Regular price $1,800.00 USDRegular priceSale price $1,800.00 USD -
Schneider Electric 48499 MicroLogic 5.0 E Control Unit, MasterPact NW, Selective Protection, 3P/4P, Drawout
Regular price $1,200.00 USDRegular priceSale price $1,200.00 USD -
Schneider Electric S163A MicroLogic 5.0 P Trip Unit, LSI Protection, Metering & Advanced Protection
Regular price $2,000.00 USDRegular priceSale price $2,000.00 USD -
Schneider Electric S143A PowerPacT P/R Circuit Breaker, MicroLogic 5.0A, LSI Protection, Field Installable
Regular price $700.00 USDRegular priceSale price $700.00 USD -
Schneider Electric 33072 MicroLogic 5.0 A Control Unit, Selective LSI Protection, Ammeter, 3P/4P Compatibility
Regular price $600.00 USDRegular priceSale price $600.00 USD -
Mersen A15QS7-2 Amp-Trap A15QS High Speed Fuse, 150VAC/150VDC, 7A, Form 101 1.5in x 0.41in - Pack of 10
Regular price $150.00 USDRegular priceSale price $150.00 USD -
Mersen A15QS6-2 Amp-Trap A15QS High Speed Fuse, 150VAC/150VDC, 6A, Form 101 1.5in x 0.41in - Pack of 10
Regular price $150.00 USDRegular priceSale price $150.00 USD -
Mersen A15QS5-2 Amp-Trap A15QS High Speed Fuse, 150VAC/150VDC, 5A, Form 101 1.5in x 0.41in - Pack of 10
Regular price $150.00 USDRegular priceSale price $150.00 USD -
Mersen A15QS4-2 Amp-Trap A15QS High Speed Fuse, 150VAC/150VDC, 4A, Form 101 1.5in x 0.41in - Pack of 10
Regular price $150.00 USDRegular priceSale price $150.00 USD -
Mersen A15QS3-2 Amp-Trap A15QS High Speed Fuse, 150VAC/150VDC, 3A, Form 101 1.5in x 0.41in - Pack of 10
Regular price $150.00 USDRegular priceSale price $150.00 USD -
Mersen A15QS2-2 Amp-Trap A15QS High Speed Fuse, 150VAC/150VDC, 2A, Form 101 1.5in x 0.41in - Pack of 10
Regular price $150.00 USDRegular priceSale price $150.00 USD -
Mersen A15QS1-2 Amp-Trap A15QS 150VAC/150VDC High Speed Fuse, 150VAC/150VDC, 1A, Form 101 1.5in x 0.41in - Pack of 10
Regular price $150.00 USDRegular priceSale price $150.00 USD -
SinoFuse RS309-MF-S325A RS309-MF-S Series Cylindrical Bolt-Mount Fast-Acting Fuse, 700V AC/DC, 100 kA AC Interrupting, Size 6TA - 3pcs
Regular price $110.00 USDRegular priceSale price $110.00 USD -
SinoFuse RS309-MF-S90A RS309-MF-S Cylindrical Bolt-Mount Fast-Acting Fuse, 700V AC/DC (IEC) / 750V DC (UL), aR class, 90A - 3pcs
Regular price $85.00 USDRegular priceSale price $85.00 USD