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Collection: Circuit Protection

Safeguard your electrical infrastructure with high-performance circuit protection components. Our extensive inventory includes General Industrial Fuses, Molded Case Circuit Breakers (MCCB), Fuse Bases, and Disconnectors. Engineered for maximum reliability, these components prevent overcurrent and short-circuit damage in demanding industrial environments.

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Circuit Board Module (8 products)
Fuse Base (4 products)
Fuse Switch-Disconnectors (1 product)
General Industrial Fuses (3381 products)
Molded Case Circuit Breakers (9 products)

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SINOFUSE RS308-PV-5F Cylindrical Fuse, 15 A 1500 VDC, Photovoltaic (PV) Rated, 10x38mm – Pack of 50

SINOFUSE RS308-PV-5F Cylindrical Fuse, 15 A 1500 VDC, Photovoltaic (PV) Rated, 10x38mm – Pack of 50

Regular price $360.00 USD

Regular price Sale price $360.00 USD
SINOFUSE RS308-PV-3E 15A AC/DC1000V gPV Fuses (50 Pieces)

SINOFUSE RS308-PV-3E 15A AC/DC1000V gPV Fuses (50 Pieces)

Regular price $360.00 USD

Regular price Sale price $360.00 USD
HERO BTZ700 DC Fuse, 100A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 100A - Pack of 4

HERO BTZ700 DC Fuse, 100A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 100A - Pack of 4

Regular price $120.00 USD

Regular price Sale price $120.00 USD
HERO BTZ700 DC Fuse, 80A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 80A - Pack of 4

HERO BTZ700 DC Fuse, 80A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 80A - Pack of 4

Regular price $120.00 USD

Regular price Sale price $120.00 USD
HERO BTZ700 DC Fuse, 60A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 60A - Pack of 4

HERO BTZ700 DC Fuse, 60A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 60A - Pack of 4

Regular price $100.00 USD

Regular price Sale price $100.00 USD
HERO BTZ700 DC Fuse, 50A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 50A - Pack of 4

HERO BTZ700 DC Fuse, 50A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 50A - Pack of 4

Regular price $100.00 USD

Regular price Sale price $100.00 USD
HERO BTZ700 DC Fuse, 35A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 35A - Pack of 4

HERO BTZ700 DC Fuse, 35A 700V Protection, for Photovoltaic (PV) Systems, Cylindrical Body, PN: BTZ700 35A - Pack of 4

Regular price $100.00 USD

Regular price Sale price $100.00 USD
Eaton Bussmann MDA-30-R Fuse, 6.3x32mm, 30A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-30-R Fuse, 6.3x32mm, 30A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $50.00 USD

Regular price Sale price $50.00 USD
Eaton Bussmann MDA-15-R Fuse, 6.3x32mm, 15A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-15-R Fuse, 6.3x32mm, 15A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $40.00 USD

Regular price Sale price $40.00 USD
Eaton Bussmann MDA-12-R Fuse, 6.3x32mm, 12A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-12-R Fuse, 6.3x32mm, 12A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $40.00 USD

Regular price Sale price $40.00 USD
Eaton Bussmann MDA-8-R Fuse, 6.3x32mm, 8A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-8-R Fuse, 6.3x32mm, 8A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $40.00 USD

Regular price Sale price $40.00 USD
Eaton Bussmann MDA-1-R Fuse, 6.3x32mm, 2A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-1-R Fuse, 6.3x32mm, 2A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $50.00 USD

Regular price Sale price $50.00 USD
Eaton Bussmann MDA-1-R Fuse, 6.3x32mm, 1A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-1-R Fuse, 6.3x32mm, 1A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $50.00 USD

Regular price Sale price $50.00 USD
Eaton NZM Series NZMN3-AE630 — NZM3‑Frame 3‑Pole Molded Case Circuit Breaker (MCCB), 630A, Thermal‑Magnetic T268, Adjustable 315–630A, 50 kAIC @ 415V / 42 kAIC @ 480V, Front Screw Connection

Eaton NZM Series NZMN3-AE630 — NZM3‑Frame 3‑Pole Molded Case Circuit Breaker (MCCB), 630A, Thermal‑Magnetic T268, Adjustable 315–630A, 50 kAIC @ 415V / 42 kAIC @ 480V, Front Screw Connection

Regular price $760.00 USD

Regular price Sale price $760.00 USD
Eaton Moeller series NZM molded case NZMN3-AE400 146783 circuit breaker electronic

Eaton Moeller series NZM molded case NZMN3-AE400 146783 circuit breaker electronic

Regular price $660.00 USD

Regular price Sale price $660.00 USD
Eaton NZM3-XR208-240AC — NZM3 Frame Remote Operator (Accessory), 208–240 VAC Remote Operator for NZM Series (Frame J–K), Front/Remote Actuation

Eaton NZM3-XR208-240AC — NZM3 Frame Remote Operator (Accessory), 208–240 VAC Remote Operator for NZM Series (Frame J–K), Front/Remote Actuation

Regular price $600.00 USD

Regular price Sale price $600.00 USD
Eaton NZM Series NZMN3-AE250 — NZM3‑Frame 3‑Pole Molded Case Circuit Breaker (MCCB), 250A Permanent, Adjustable Overload 125–250A, Thermal‑Magnetic T268, 50 kAIC (415V) / 42 kAIC (480V), Front Screw, Rocker Lever (Motor Drive Optional)

Eaton NZM Series NZMN3-AE250 — NZM3‑Frame 3‑Pole Molded Case Circuit Breaker (MCCB), 250A Permanent, Adjustable Overload 125–250A, Thermal‑Magnetic T268, 50 kAIC (415V) / 42 kAIC (480V), Front Screw, Rocker Lever (Motor Drive Optional)

Regular price $600.00 USD

Regular price Sale price $600.00 USD
Eaton Bussmann MDA-10-R Fuse, 6.3x32mm, 10A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-10-R Fuse, 6.3x32mm, 10A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $50.00 USD

Regular price Sale price $50.00 USD
Eaton Bussmann MDA-0.5-R Fuse, 6.3x32mm, 0.5A 250VAC, Time-Delay Ceramic - Pack of 10

Eaton Bussmann MDA-0.5-R Fuse, 6.3x32mm, 0.5A 250VAC, Time-Delay Ceramic - Pack of 10

Regular price $40.00 USD

Regular price Sale price $40.00 USD
Eaton Bussmann MDA-6-R Fuse, 6.3x32mm, 6A 250VAC/125VDC, Time-Delay Ceramic - Pack of 28

Eaton Bussmann MDA-6-R Fuse, 6.3x32mm, 6A 250VAC/125VDC, Time-Delay Ceramic - Pack of 28

Regular price $105.00 USD

Regular price Sale price $105.00 USD

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