Mersen Datasheets for Fuses

Fuses protect electrical devices and components from overcurrents and short circuits that occur in improperly operating circuits.
Fuses: Learn more

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Product Name Notes
A6D-R - Class RK1 - Time-Delay -- A6D1-1/4R
A6D-R - Class RK1 - Time-Delay -- A6D1-1/8R
A6D-R - Class RK1 - Time-Delay -- A6D1-4/10R
A6D-R - Class RK1 - Time-Delay -- A6D1-6/10R
A6D-R - Class RK1 - Time-Delay -- A6D1-8/10R
A6D-R - Class RK1 - Time-Delay -- A6D1/10R
A6D-R - Class RK1 - Time-Delay -- A6D1/2R
A6D-R - Class RK1 - Time-Delay -- A6D100R
A6D-R - Class RK1 - Time-Delay -- A6D10R
A6D-R - Class RK1 - Time-Delay -- A6D110R
A6D-R - Class RK1 - Time-Delay -- A6D125R
A6D-R - Class RK1 - Time-Delay -- A6D12R
A6D-R - Class RK1 - Time-Delay -- A6D15/100R
A6D-R - Class RK1 - Time-Delay -- A6D150R
A6D-R - Class RK1 - Time-Delay -- A6D15R
A6D-R - Class RK1 - Time-Delay -- A6D17-1/2R
A6D-R - Class RK1 - Time-Delay -- A6D175R
A6D-R - Class RK1 - Time-Delay -- A6D1R
A6D-R - Class RK1 - Time-Delay -- A6D2-1/2R
A6D-R - Class RK1 - Time-Delay -- A6D2-1/4R
A6D-R - Class RK1 - Time-Delay -- A6D2-8/10R
A6D-R - Class RK1 - Time-Delay -- A6D2/10R
A6D-R - Class RK1 - Time-Delay -- A6D200R
A6D-R - Class RK1 - Time-Delay -- A6D20R
A6D-R - Class RK1 - Time-Delay -- A6D225R
A6D-R - Class RK1 - Time-Delay -- A6D250R
A6D-R - Class RK1 - Time-Delay -- A6D25R
A6D-R - Class RK1 - Time-Delay -- A6D2R
A6D-R - Class RK1 - Time-Delay -- A6D3-1/2R
A6D-R - Class RK1 - Time-Delay -- A6D3-2/10R
A6D-R - Class RK1 - Time-Delay -- A6D3/10R
A6D-R - Class RK1 - Time-Delay -- A6D300R
A6D-R - Class RK1 - Time-Delay -- A6D30R
A6D-R - Class RK1 - Time-Delay -- A6D350R
A6D-R - Class RK1 - Time-Delay -- A6D35R
A6D-R - Class RK1 - Time-Delay -- A6D3R
A6D-R - Class RK1 - Time-Delay -- A6D4-1/2R
A6D-R - Class RK1 - Time-Delay -- A6D4/10R
A6D-R - Class RK1 - Time-Delay -- A6D400R
A6D-R - Class RK1 - Time-Delay -- A6D40R
A6D-R - Class RK1 - Time-Delay -- A6D450R
A6D-R - Class RK1 - Time-Delay -- A6D45R
A6D-R - Class RK1 - Time-Delay -- A6D4R
A6D-R - Class RK1 - Time-Delay -- A6D5-6/10R
A6D-R - Class RK1 - Time-Delay -- A6D500R
A6D-R - Class RK1 - Time-Delay -- A6D50R
A6D-R - Class RK1 - Time-Delay -- A6D5R
A6D-R - Class RK1 - Time-Delay -- A6D6-1/4R
A6D-R - Class RK1 - Time-Delay -- A6D6/10R
A6D-R - Class RK1 - Time-Delay -- A6D600R
A6D-R - Class RK1 - Time-Delay -- A6D60R
A6D-R - Class RK1 - Time-Delay -- A6D6R
A6D-R - Class RK1 - Time-Delay -- A6D70R
A6D-R - Class RK1 - Time-Delay -- A6D7R
A6D-R - Class RK1 - Time-Delay -- A6D8/10R
A6D-R - Class RK1 - Time-Delay -- A6D80R
A6D-R - Class RK1 - Time-Delay -- A6D8R
A6D-R - Class RK1 - Time-Delay -- A6D90R
A6D-R - Class RK1 - Time-Delay -- A6D9R
Amp-Trap 2000® SmartSpot time-delay A6D-R fuses provide IEC Type 2 "no damage" protection to existing mains, feeders, and branch circuits serving motor and non-motor loads. A6D-R fuses will open fast...
A4BY - Class L - Time-Delay -- A4BY4000-TI
A4BY - Class L - Time-Delay -- A4BY4001
A4BY - Class L - Time-Delay -- A4BY450
A4BY - Class L - Time-Delay -- A4BY4500
A4BY - Class L - Time-Delay -- A4BY500
A4BY - Class L - Time-Delay -- A4BY5000
A4BY - Class L - Time-Delay -- A4BY5000-TI
A4BY - Class L - Time-Delay -- A4BY600
A4BY - Class L - Time-Delay -- A4BY600-TI
A4BY - Class L - Time-Delay -- A4BY6000
A4BY - Class L - Time-Delay -- A4BY601
A4BY - Class L - Time-Delay -- A4BY650
A4BY - Class L - Time-Delay -- A4BY700
A4BY - Class L - Time-Delay -- A4BY700-TI
A4BY - Class L - Time-Delay -- A4BY750
A4BY - Class L - Time-Delay -- A4BY800
A4BY - Class L - Time-Delay -- A4BY800-TA
A4BY - Class L - Time-Delay -- A4BY800-TI
A4BY - Class L - Time-Delay -- A4BY801
A4BY - Class L - Time-Delay -- A4BY900
Amp-Trap A4BY fuses have been the industry's favorite when it comes to protecting service entrance equipment, feeder circuits, and circuit breakers. The A4BY is a 100percent rated device and may...
A4J - Class J - Fast-Acting -- A4J1
A4J - Class J - Fast-Acting -- A4J10
A4J - Class J - Fast-Acting -- A4J100
A4J - Class J - Fast-Acting -- A4J110
A4J - Class J - Fast-Acting -- A4J110EI
A4J - Class J - Fast-Acting -- A4J125
A4J - Class J - Fast-Acting -- A4J15
A4J - Class J - Fast-Acting -- A4J150
A4J - Class J - Fast-Acting -- A4J175
A4J - Class J - Fast-Acting -- A4J20
A4J - Class J - Fast-Acting -- A4J200
A4J - Class J - Fast-Acting -- A4J200EI
A4J - Class J - Fast-Acting -- A4J225
A4J - Class J - Fast-Acting -- A4J25
A4J - Class J - Fast-Acting -- A4J250
A4J - Class J - Fast-Acting -- A4J3
A4J - Class J - Fast-Acting -- A4J30
A4J - Class J - Fast-Acting -- A4J300
A4J - Class J - Fast-Acting -- A4J35
A4J - Class J - Fast-Acting -- A4J350
A4J - Class J - Fast-Acting -- A4J40
A4J - Class J - Fast-Acting -- A4J400
A4J - Class J - Fast-Acting -- A4J45
A4J - Class J - Fast-Acting -- A4J450
A4J - Class J - Fast-Acting -- A4J50
A4J - Class J - Fast-Acting -- A4J500
A4J - Class J - Fast-Acting -- A4J6
A4J - Class J - Fast-Acting -- A4J60
A4J - Class J - Fast-Acting -- A4J600
A4J - Class J - Fast-Acting -- A4J600EI
A4J - Class J - Fast-Acting -- A4J70
A4J - Class J - Fast-Acting -- A4J75
A4J - Class J - Fast-Acting -- A4J80
A4J - Class J - Fast-Acting -- A4J90
Amp-Trap fast-acting A4J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or...
A6K-R - Class RK1 - Fast-Acting -- A6K100R
A6K-R - Class RK1 - Fast-Acting -- A6K10R
A6K-R - Class RK1 - Fast-Acting -- A6K110R
A6K-R - Class RK1 - Fast-Acting -- A6K125R
A6K-R - Class RK1 - Fast-Acting -- A6K150R
A6K-R - Class RK1 - Fast-Acting -- A6K15R
A6K-R - Class RK1 - Fast-Acting -- A6K175R
A6K-R - Class RK1 - Fast-Acting -- A6K1R
A6K-R - Class RK1 - Fast-Acting -- A6K200R
A6K-R - Class RK1 - Fast-Acting -- A6K20R
A6K-R - Class RK1 - Fast-Acting -- A6K225R
A6K-R - Class RK1 - Fast-Acting -- A6K250R
A6K-R - Class RK1 - Fast-Acting -- A6K25R
A6K-R - Class RK1 - Fast-Acting -- A6K300R
A6K-R - Class RK1 - Fast-Acting -- A6K30R
A6K-R - Class RK1 - Fast-Acting -- A6K350R
A6K-R - Class RK1 - Fast-Acting -- A6K35R
A6K-R - Class RK1 - Fast-Acting -- A6K3R
A6K-R - Class RK1 - Fast-Acting -- A6K400R
A6K-R - Class RK1 - Fast-Acting -- A6K40R
A6K-R - Class RK1 - Fast-Acting -- A6K450R
A6K-R - Class RK1 - Fast-Acting -- A6K45R
A6K-R - Class RK1 - Fast-Acting -- A6K4R
A6K-R - Class RK1 - Fast-Acting -- A6K500R
A6K-R - Class RK1 - Fast-Acting -- A6K50R
A6K-R - Class RK1 - Fast-Acting -- A6K5R
A6K-R - Class RK1 - Fast-Acting -- A6K600R
A6K-R - Class RK1 - Fast-Acting -- A6K60R
A6K-R - Class RK1 - Fast-Acting -- A6K6R
A6K-R - Class RK1 - Fast-Acting -- A6K70R
A6K-R - Class RK1 - Fast-Acting -- A6K80R
A6K-R - Class RK1 - Fast-Acting -- A6K8R
A6K-R - Class RK1 - Fast-Acting -- A6K90R
Current-limiting Amp-Trap A6K-R fuses provide excellent protection where high available short-circuit currents exist. These fast-acting fuses are particularly good for branch/feeder circuits and back-up protection. Features Rejection style design prevents...
A6T - Class T - Fast-Acting -- A6T1
A6T - Class T - Fast-Acting -- A6T10
A6T - Class T - Fast-Acting -- A6T100
A6T - Class T - Fast-Acting -- A6T100-BPK
A6T - Class T - Fast-Acting -- A6T110
A6T - Class T - Fast-Acting -- A6T125
A6T - Class T - Fast-Acting -- A6T15
A6T - Class T - Fast-Acting -- A6T150
A6T - Class T - Fast-Acting -- A6T175
A6T - Class T - Fast-Acting -- A6T20
A6T - Class T - Fast-Acting -- A6T200
A6T - Class T - Fast-Acting -- A6T225
A6T - Class T - Fast-Acting -- A6T25
A6T - Class T - Fast-Acting -- A6T250
A6T - Class T - Fast-Acting -- A6T3
A6T - Class T - Fast-Acting -- A6T30
A6T - Class T - Fast-Acting -- A6T300
A6T - Class T - Fast-Acting -- A6T35
A6T - Class T - Fast-Acting -- A6T35-BPK
A6T - Class T - Fast-Acting -- A6T350
A6T - Class T - Fast-Acting -- A6T40
A6T - Class T - Fast-Acting -- A6T40-BPK
A6T - Class T - Fast-Acting -- A6T400
A6T - Class T - Fast-Acting -- A6T45
A6T - Class T - Fast-Acting -- A6T45-BPK
A6T - Class T - Fast-Acting -- A6T450
A6T - Class T - Fast-Acting -- A6T50
A6T - Class T - Fast-Acting -- A6T50-BPK
A6T - Class T - Fast-Acting -- A6T500
A6T - Class T - Fast-Acting -- A6T6
A6T - Class T - Fast-Acting -- A6T60
A6T - Class T - Fast-Acting -- A6T60-BPK
A6T - Class T - Fast-Acting -- A6T600
A6T - Class T - Fast-Acting -- A6T70
A6T - Class T - Fast-Acting -- A6T70-BPK
A6T - Class T - Fast-Acting -- A6T700
A6T - Class T - Fast-Acting -- A6T80
A6T - Class T - Fast-Acting -- A6T80-BPK
A6T - Class T - Fast-Acting -- A6T800
A6T - Class T - Fast-Acting -- A6T90
A6T - Class T - Fast-Acting -- A6T90-BPK
Fast-acting A6T Class T fuses combine two highly desirable features - high current-limitation and a small physical size. Their unique dimensions prevent the substitution of other fuses with lower voltage...
A6Y -- A6Y1-1
A6Y -- A6Y10-1
A6Y -- A6Y10-11
A6Y -- A6Y10-1R
A6Y -- A6Y100-21
A6Y -- A6Y100-3
A6Y -- A6Y100-4
A6Y -- A6Y1000-4
A6Y -- A6Y1000-5
A6Y -- A6Y110-3
A6Y -- A6Y110-4
A6Y -- A6Y1200-4
A6Y -- A6Y1200-5
A6Y -- A6Y125-3
A6Y -- A6Y125-4
A6Y -- A6Y125-5
A6Y -- A6Y1400-5
A6Y -- A6Y15-1
A6Y -- A6Y15-11
A6Y -- A6Y15-1R
Mersen Form 600 fuses are the original current-limiting fuses, predating all the standards. Their 500V DC rating (through 600A) is a useful feature for special fusing applications. Form 600 fuses...
A60C -- A60C10-121
A60C -- A60C100-121
A60C -- A60C100-121TI
A60C -- A60C125-121
A60C -- A60C125-121TI
A60C -- A60C15-121
A60C -- A60C150-121
A60C -- A60C150-121TI
A60C -- A60C175-121
A60C -- A60C175-121TI
A60C -- A60C20-121
A60C -- A60C200-121
A60C -- A60C200-121TI
A60C -- A60C225-121
A60C -- A60C225-121TI
A60C -- A60C25-121
A60C -- A60C25-121TI
A60C -- A60C250-121
A60C -- A60C250-121TI
A60C -- A60C30-121
A60C -- A60C300-121
A60C -- A60C300-121TI
A60C -- A60C35-121
A60C -- A60C35-121TI
A60C -- A60C40-121
A60C -- A60C40-121TI
A60C -- A60C50-121
A60C -- A60C50-121TI
A60C -- A60C60-121
A60C -- A60C60-121TI
A60C -- A60C75-121TI
A60C -- A60C80-121
A60C -- A60C80-121TI
Mersen low-voltage capacitor fuses provide advanced safety for power correction and harmonic filtering equipment. A capacitor fuse isolates a shorted capacitor before it can damage surrounding equipment or personnel. Typical...
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D110/400R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D125/400R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D150/400R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D175/400R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D200/400R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D225/600R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D250/600R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D300/600R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D350/600R
A6D-R - Reducer Fuses - Class RK1 - Time-Delay -- A6D400/600R
Solid-state SmartSpot indicator Time-delay for motor starting and transformer inrush currents without nuisance opening 300kA interrupting rating, self-certified (UL witnessed test) Extremely current-limiting for low peak let-thru current Easy 2-to-1...

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