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Home Protection devices DIN rail protection devices Fuses

Fuses for electrical circuit protection

Fuses protect electrical circuits, cables and equipment against overload and short-circuit current. When the current exceeds the fuse’s specified limit, its fusible element melts and interrupts the circuit, helping reduce the risk of damage to the electrical installation and connected equipment.

This category includes cylindrical fuse-links and NH fuse-links for various distribution, control and industrial electrical applications. When selecting a suitable fuse, consider its type and size, rated current, rated voltage, breaking capacity, operating characteristic and compatibility with the fuse holder or base. After operating, the fuse-link must be replaced with a product of the same utilization category and suitable electrical ratings.

Cylindrical fuses Cylindrical fuses NH fuses NH fuses
Image Product Name Unit Price Product Code Availability Quantity
NH2 gTr 231A/400V fuse link, VEXEN NH2GTR160kVA NH2 gTr 231A/400V fuse link, VEXEN NH2GTR160kVA 34.88€ NH2GTR160KVA
Stock products
NH3 gG 300A/500V fuse link, VEXEN NH3GG300A500V NH3 gG 300A/500V fuse link, VEXEN NH3GG300A500V 19.44€ NH3GG300A500V
Stock products
NH00 solid link 160A, VEXEN VSL00160 NH00 solid link 160A, VEXEN VSL00160 3.73€ VSL00160
Stock products
10x38 gG 12A cylindrical fuse link 500VAC 10x38 gG 12A cylindrical fuse link 500VAC 1.88€ CH1038012GG500AC
Stock products
14x51 gG 2A cylindrical fuse link 500VAC 14x51 gG 2A cylindrical fuse link 500VAC 3.59€ CH1451002GG500AC
Stock products
14x51 gG 40A cylindrical fuse link 500VAC 14x51 gG 40A cylindrical fuse link 500VAC 4.56€ CH1451040GG500AC
Stock products
22x58 gG 125A cylindrical fuse link 500VAC 22x58 gG 125A cylindrical fuse link 500VAC 6.62€ CH2258125GG500AC
Stock products
NH000 gG 80A/500V fuse link, VEXEN NH000GG80A500V NH000 gG 80A/500V fuse link, VEXEN NH000GG80A500V 3.65€ NH000GG80A500V
Stock products
NH1 gG 20A/500V fuse link, VEXEN NH1GG20A500V NH1 gG 20A/500V fuse link, VEXEN NH1GG20A500V 8.07€ NH1GG20A500V
Stock products
NH2 gG 100A/500V fuse link, VEXEN NH2GG100A500V NH2 gG 100A/500V fuse link, VEXEN NH2GG100A500V 10.38€ NH2GG100A500V
Stock products
NH2 gTr 289A/400V fuse link, VEXEN NH2GTR200kVA NH2 gTr 289A/400V fuse link, VEXEN NH2GTR200kVA 35.66€ NH2GTR200KVA
Stock products
NH3 gG 315A/500V fuse link, VEXEN NH3GG315A500V NH3 gG 315A/500V fuse link, VEXEN NH3GG315A500V 20.57€ NH3GG315A500V
Stock products
NH4a gG 800A/500V fuse link, VEXEN NH4aGG800A500V NH4a gG 800A/500V fuse link, VEXEN NH4aGG800A500V 123.95€ NH4AGG800A500V
Stock products
NH1 solid link 250A, VEXEN VSL01250 NH1 solid link 250A, VEXEN VSL01250 8.84€ VSL01250
Stock products
10x38 gG 16A cylindrical fuse link 500VAC 10x38 gG 16A cylindrical fuse link 500VAC 1.87€ CH1038016GG500AC
Stock products
14x51 gG 4A cylindrical fuse link 500VAC 14x51 gG 4A cylindrical fuse link 500VAC 5.15€ CH1451004GG500AC
Stock products
14x51 gG 50A cylindrical fuse link 500VAC 14x51 gG 50A cylindrical fuse link 500VAC 4.56€ CH1451050GG500AC
Stock products
NH00 gG 125A/500V fuse link, VEXEN NH00GG125A500V NH00 gG 125A/500V fuse link, VEXEN NH00GG125A500V 6.31€ NH00GG125A500V
Stock products
NH1 gG 224A/500V fuse link, VEXEN NH1GG224A500V NH1 gG 224A/500V fuse link, VEXEN NH1GG224A500V 10.74€ NH1GG224A500V
Stock products
NH2 gG 125A/500V fuse link, VEXEN NH2GG125A500V NH2 gG 125A/500V fuse link, VEXEN NH2GG125A500V 10.74€ NH2GG125A500V
Stock products
NH2 gTr 231A/400V fuse link, VEXEN NH2GTR160kVA
NH2 gTr 231A/400V fuse link, VEXEN NH2GTR160kVA Product Code: NH2GTR160KVA Stock products 34.88€
NH3 gG 300A/500V fuse link, VEXEN NH3GG300A500V
NH3 gG 300A/500V fuse link, VEXEN NH3GG300A500V Product Code: NH3GG300A500V Stock products 19.44€
NH00 solid link 160A, VEXEN VSL00160
NH00 solid link 160A, VEXEN VSL00160 Product Code: VSL00160 Stock products 3.73€
10x38 gG 12A cylindrical fuse link 500VAC
10x38 gG 12A cylindrical fuse link 500VAC Product Code: CH1038012GG500AC Stock products 1.88€
14x51 gG 2A cylindrical fuse link 500VAC
14x51 gG 2A cylindrical fuse link 500VAC Product Code: CH1451002GG500AC Stock products 3.59€
14x51 gG 40A cylindrical fuse link 500VAC
14x51 gG 40A cylindrical fuse link 500VAC Product Code: CH1451040GG500AC Stock products 4.56€
22x58 gG 125A cylindrical fuse link 500VAC
22x58 gG 125A cylindrical fuse link 500VAC Product Code: CH2258125GG500AC Stock products 6.62€
NH000 gG 80A/500V fuse link, VEXEN NH000GG80A500V
NH000 gG 80A/500V fuse link, VEXEN NH000GG80A500V Product Code: NH000GG80A500V Stock products 3.65€
NH1 gG 20A/500V fuse link, VEXEN NH1GG20A500V
NH1 gG 20A/500V fuse link, VEXEN NH1GG20A500V Product Code: NH1GG20A500V Stock products 8.07€
NH2 gG 100A/500V fuse link, VEXEN NH2GG100A500V
NH2 gG 100A/500V fuse link, VEXEN NH2GG100A500V Product Code: NH2GG100A500V Stock products 10.38€
NH2 gTr 289A/400V fuse link, VEXEN NH2GTR200kVA
NH2 gTr 289A/400V fuse link, VEXEN NH2GTR200kVA Product Code: NH2GTR200KVA Stock products 35.66€
NH3 gG 315A/500V fuse link, VEXEN NH3GG315A500V
NH3 gG 315A/500V fuse link, VEXEN NH3GG315A500V Product Code: NH3GG315A500V Stock products 20.57€
NH4a gG 800A/500V fuse link, VEXEN NH4aGG800A500V
NH4a gG 800A/500V fuse link, VEXEN NH4aGG800A500V Product Code: NH4AGG800A500V Stock products 123.95€
NH1 solid link 250A, VEXEN VSL01250
NH1 solid link 250A, VEXEN VSL01250 Product Code: VSL01250 Stock products 8.84€
10x38 gG 16A cylindrical fuse link 500VAC
10x38 gG 16A cylindrical fuse link 500VAC Product Code: CH1038016GG500AC Stock products 1.87€
14x51 gG 4A cylindrical fuse link 500VAC
14x51 gG 4A cylindrical fuse link 500VAC Product Code: CH1451004GG500AC Stock products 5.15€
14x51 gG 50A cylindrical fuse link 500VAC
14x51 gG 50A cylindrical fuse link 500VAC Product Code: CH1451050GG500AC Stock products 4.56€
NH00 gG 125A/500V fuse link, VEXEN NH00GG125A500V
NH00 gG 125A/500V fuse link, VEXEN NH00GG125A500V Product Code: NH00GG125A500V Stock products 6.31€
NH1 gG 224A/500V fuse link, VEXEN NH1GG224A500V
NH1 gG 224A/500V fuse link, VEXEN NH1GG224A500V Product Code: NH1GG224A500V Stock products 10.74€
NH2 gG 125A/500V fuse link, VEXEN NH2GG125A500V
NH2 gG 125A/500V fuse link, VEXEN NH2GG125A500V Product Code: NH2GG125A500V Stock products 10.74€

Fuses for electrical circuit protection

A fuse is an overcurrent protective device containing an element that melts under specified conditions and interrupts the electrical circuit. It responds to excessive current and helps protect conductors, cables, distribution equipment and other electrical devices against damage caused by overload or short circuits. Unlike a circuit breaker, an operated fuse cannot be reset; the fuse-link must be replaced.

Main types of fuse-links

  • Cylindrical fuse-links are compact protective components installed in compatible fuse holders or switch disconnectors.
  • NH fuse-links are used to protect higher-power electrical circuits and distribution systems with suitable fuse bases or fuse-switch disconnectors.
  • Different utilization categories allow the protective characteristic to be matched to the circuit and load type.

How to select a suitable fuse

First check the fuse-link’s construction and dimensions to ensure that it fits the intended holder or base. Its rated current must be selected according to the protected conductors, connected load and protection coordination, while the rated voltage must be suitable for the electrical system.

The breaking capacity is also important because it indicates the prospective short-circuit current that the fuse can safely interrupt. The utilization category and time-current characteristic determine how the device responds to overload, short circuits and temporary current peaks. A replacement must not be chosen by physical size alone; all relevant electrical ratings must be compared. Fuse selection and replacement should comply with the electrical design, equipment requirements and safe working procedures.