Mersen Fuses

Mersen fuses are engineered to provide dependable overcurrent protection across a broad range of electrical applications. Designed to interrupt excessive current quickly and predictably, these fuses help protect electrical systems, components, and personnel from damage caused by overloads and short circuits. RSP Supply carries a full selection of Mersen fuses suitable for industrial, commercial, and residential use worldwide.

Mersen offers a comprehensive fuse portfolio that includes Class CC fuses, midget fuses, high-speed fuses, and time delay fuses. High-speed fuses are commonly used to protect sensitive power electronics such as drives, inverters, and rectifiers, while time delay fuses allow temporary inrush currents without nuisance opening. This range of options allows engineers and electricians to select the appropriate fuse type based on system characteristics and protection requirements.

In addition to fuses, Mersen provides complementary components such as fuse holders and power distribution blocks. Together, these products support organized and reliable power distribution in control panels, equipment enclosures, and power distribution units. Mersen’s overcurrent protection solutions are designed to maintain system continuity while providing precise and consistent protection under varying load conditions.

Found 8850 items
Normally In Stock
Mersen MPDBC6667 Power Distribution Block, 1000 Volts
Free U.S Ground shipping
$8.58
$7.15
Normally In Stock
Mersen GGC2 Fuse Glass Fuses 2 Amp
Free U.S Ground shipping
$1.25
$1.04
Normally In Stock
Mersen US15M1HEL Fuse Holder, Class gPV, 1500 Volts (DC), 32 Amp
Free U.S Ground shipping
$45.60
$38.00
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Mersen C218709 Fuse Link, Class gG, 400 Volts, 1 Amp
Free U.S Ground shipping
$12.74
$10.62
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Mersen MPDB67633 Power Distribution Block, 1000 Volts, 310 Amp
Free U.S Ground shipping
$175.55
$146.29
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Mersen MPDB69143 Power Distribution Block, 1000 Volts, 620 Amp
Free U.S Ground shipping
$271.67
$226.39
Normally In Stock
Mersen MPDB69561 Power Distribution Block, 1000 Volts, 1090 Amp
Free U.S Ground shipping
$270.41
$225.34
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Mersen R331169 Fuse Holder, 800 Volts, 125 Amp
Free U.S Ground shipping
$210.60
$175.50
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Mersen 40608G Fuse Holder, Class G, 480 Volts, 60 Amp
Free U.S Ground shipping
$151.18
$125.98
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Mersen RL350 Fuse - Class H, 250 Volts, 350 Amp
Free U.S Ground shipping
$112.70
$93.92
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Mersen CEP-FSPDB200 Fuse - 600 Volts, 200 Amp
Free U.S Ground shipping
$54.49
$45.41
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Mersen GGC4 Fuse Glass Fuses 4 Amp
Free U.S Ground shipping
$1.67
$1.39
Normally In Stock
Mersen GGC8 Fuse Glass Fuses 8 Amp
Free U.S Ground shipping
$1.67
$1.39
Normally In Stock
Mersen GGC1 Fuse Glass Fuses 1 Amp
Free U.S Ground shipping
$1.25
$1.04
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Mersen AJT150 Fuse Class J 150 Amp
Free U.S Ground shipping
$339.77
$283.14
Normally In Stock
Mersen AJT70 Fuse Class J 70 Amp
Free U.S Ground shipping
$169.86
$141.55
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Mersen SBS15 Fuse Ferrule Fuses 15 Amp
Free U.S Ground shipping
$18.98
$15.82
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Mersen A6T60 Fuse Class T 60 Amp
Free U.S Ground shipping
$48.23
$40.19
Normally In Stock
Mersen A6T50 Fuse Class T 50 Amp
Free U.S Ground shipping
$54.60
$45.50
Normally In Stock
Mersen A3T125 Fuse Class T 125 Amp
Free U.S Ground shipping
$88.24
$73.53
Normally In Stock
Mersen A6T70 Fuse Class T 70 Amp
Free U.S Ground shipping
$77.78
$64.82
Normally In Stock
Mersen A3T800 Fuse Class T 800 Amp
Free U.S Ground shipping
$867.50
$722.92
Normally In Stock
Mersen ATMR15 Fuse Class CC 15 Amp
Free U.S Ground shipping
$31.69
$26.41
Normally In Stock
Mersen ATDR10 Fuse Class CC 10 Amp
Free U.S Ground shipping
$39.58
$32.98
Normally In Stock
Mersen ATDR20 Fuse Class CC 20 Amp
Free U.S Ground shipping
$39.64
$33.03
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Mersen ATDR30 Fuse Class CC 30 Amp
Free U.S Ground shipping
$39.58
$32.98
Normally In Stock
Mersen ATDR1 Fuse Class CC 1 Amp
Free U.S Ground shipping
$39.58
$32.98
Normally In Stock
Mersen ATDR6 Fuse Class CC 6 Amp
Free U.S Ground shipping
$39.58
$32.98
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Mersen A6T150 Fuse Class T 150 Amp
Free U.S Ground shipping
$107.68
$89.73
Normally In Stock
Mersen A6T100 Fuse Class T 100 Amp
Free U.S Ground shipping
$88.45
$73.71
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Mersen A6T300 Fuse Class T 300 Amp
Free U.S Ground shipping
$290.00
$241.67
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Mersen TRM30 Fuse Class Midget 30 Amp
Free U.S Ground shipping
$13.12
$10.93
Normally In Stock
Mersen SBS4 Fuse Ferrule Fuses 4 Amp
Free U.S Ground shipping
$16.85
$14.04
Normally In Stock
Mersen AJT8 Fuse Class J 8 Amp
Free U.S Ground shipping
$48.12
$40.10
Normally In Stock
Mersen AJT80 Fuse Class J 80 Amp
Free U.S Ground shipping
$169.86
$141.55
Normally In Stock
Mersen AJT400 Fuse Class J 400 Amp
Free U.S Ground shipping
$650.87
$542.39
Normally In Stock
Mersen GGC20 Fuse Glass Fuses 20 Amp
Free U.S Ground shipping
$1.62
$1.35
Normally In Stock
Mersen GGC3 Fuse Glass Fuses 3 Amp
Free U.S Ground shipping
$1.25
$1.04
Normally In Stock
Mersen GAB30 Fuse Electronic
Free U.S Ground shipping
$4.08
$3.40
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Mersen GAB15 Fuse Electronic 15 Amp
Free U.S Ground shipping
$2.87
$2.39
Normally In Stock
Mersen DCT25-2 Fuse - Class Midget, 750 Volts, 25 Amp
Free U.S Ground shipping
$107.29
$89.41
Normally In Stock
Mersen AJT3-1/2N Fuse - Class J, 600 Volts, 3.5 Amp
Free U.S Ground shipping
$48.12
$40.10
Normally In Stock
Mersen AJT45N Fuse - Class J, 600 Volts, 45 Amp
Free U.S Ground shipping
$70.93
$59.11
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Mersen GDG6-3/10 Fuse - Supplemental, 250 Volts, 6.3 Amp
Free U.S Ground shipping
$4.38
$3.65
Normally In Stock
Mersen CEP-FSPDB115 Fuse - 600 Volts, 115 Amp
Free U.S Ground shipping
$45.58
$37.98
Normally In Stock
Mersen GSC4 Fuse - Supplemental, 125 Volts, 4 Amp
Free U.S Ground shipping
$2.78
$2.32
Normally In Stock
Mersen GSD5 Fuse - Supplemental, 250 Volts, 5 Amp
Free U.S Ground shipping
$4.56
$3.80
Normally In Stock
Mersen GSD1/2 Fuse - Supplemental, 250 Volts, 0.5 Amp
Free U.S Ground shipping
$4.56
$3.80

FAQs

Q: What are Mersen fuses used for?
Mersen fuses are used to protect electrical circuits and equipment from overcurrent and short-circuit conditions by safely interrupting excessive current flow.

Q: Does Mersen offer time delay fuses?
Yes, Mersen offers time delay fuses as part of its global product portfolio. These fuses allow temporary inrush currents while still providing overcurrent protection.

Q: What are high-speed fuses used for?
High-speed fuses are used to protect sensitive electronic equipment such as variable frequency drives, power converters, and semiconductor devices that require fast fault interruption.

Q: How do fuses differ from circuit breakers?
Fuses are single-use devices that must be replaced after an overcurrent event, while circuit breakers can be reset. Fuses are often simpler and provide very fast, reliable protection for individual circuits.

Q: Are Mersen fuses available for industrial applications?
Yes, Mersen manufactures fuses specifically designed for industrial, commercial, and power distribution applications, meeting a wide range of voltage and current requirements.

Why Buy Mersen Fuses from RSP Supply

RSP Supply offers a wide selection of Mersen fuses and related overcurrent protection components to support reliable electrical system design. Our product offerings include multiple fuse classes and performance characteristics to match diverse application needs. Customers rely on RSP Supply for trusted electrical brands, technical knowledge, and dependable solutions for circuit protection.