Schaedler Yesco | A25 A50 A60 A70

A25 A50 A60 A70

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: 0.17 x 0.03 in (5)
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0.86 x 2.28 Inches (11)
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: 0.5 A (1)
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: FR (6)
MX (257)
TN (35)
: 250VAC rated Low I 2 t minimizes damage to protected component on short circuit. Controlled arc Voltage reduces stress to circuit components during fuse clearing. Choice of mounting types helps in equipment design (5)
300VAC and 300VDC rated Low I 2 t minimizes damage to protected component on short circuit. Controlled arc Voltage reduces stress to circuit components during fuse clearing. Choice of mounting types helps in equipment design (2)
Glass-filled polycarbonate or laminated phenolic insulator blocks with studs to accommodate bolt-in fuses (2)
High interrupting capacity Current limitation Blown-fuse indication Direct mount Clip style mount Bus mount Non-venting for silent operation (1)
High interrupting capacity Current-limiting Blown fuse indicator Direct mounting Clip style mounting Bus mounting Non-venting for silent operation (2)
Low I²t minimizes damage to protected components on short circuit Controlled arc voltage reduces stress to circuit components during fuse clearing Choice of mounting types provides options for unique termination requirements (26)
Low I²t minimizes damage to protected components on short circuit. Controlled arc voltage reduces stress to circuit components during fuse clearing. Choice of mounting types provides options for unique termination requirements (15)
Low I2t minimizes damage to protected component on short circuit Controlled arc voltage reduces stress to circuit components during fuse clearing Choice of mounting types helps in equipment design (11)
Low I2t minimizes damage to protected components on short circuit Controlled arc voltage reduces stress to circuit components during fuse clearing Choice of mounting types helps in equipment design (89)
Lowest I2t of any fuse in this voltage rating for best overall protection 700V AC, 650V DC rating allows protection of greater variety of circuits Solid fill technology for extra reliability in performance (10)
: Amp-Trap® (256)
PSC (3)

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MERSEN A50QS150-4ÿMERSEN A50QS150-4ÿMERSEN A50QS150-4ÿMERSEN A50QS150-4

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MERSEN A50QS150-4

Part #MERSEN A50QS150-4 150AMP 500VAC/VDC FORM 101 SEMICONDUCTOR FUSE BOLT-IN BLADES MOUNTING Mersen AMP-TRAPÂ® Semiconductor Fuse, Series: A50QS, Non-Indicating, Non-Rejection, 150 A, 500 VAC/VDC, 200/87 kA Interrupt, Blade Terminal, Bolt Mounti

MFG #A50QS150-4

1 in Stock. More available 11/02/2026 and 11/12/2026

$308.55/EA

Regular Price: $371.85/EA, you save $63.29 (17%)

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MERSEN A155C1D0R0-100EÿMERSEN A155C1D0R0-100EÿMERSEN A155C1D0R0-100EÿMERSEN A155C1D0R0-100E

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MERSEN A155C1D0R0-100E

Part #MERSEN A155C1D0R0-100E 15.5KV 100E RATED CLIP-LOCK NC/NR Mersen Amp-TrapÂ® General Purpose Fuse, Current Limiting Medium Voltage, Series: CL-14, Indicating/Non-Indicating: Indicating, 100 A, 15500 VAC, 50 kA Interrupt, Class: E, Blade Termi

MFG #A155C1D0R0-100E

2 in Stock. More available 11/15/2026

$6944.19/EA

Regular Price: $7600.87/EA, you save $656.68 (9%)

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MERSEN A50P30-1ÿMERSEN A50P30-1ÿMERSEN A50P30-1ÿMERSEN A50P30-1

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MERSEN A50P30-1

Part #MERSEN A50P30-1 500V 30A SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting Fast Acting, Series: A50P, Non-Rejection, 30 A, 500 VAC, 100 kA Interrupt, 10 ms Response, Ferrule Terminal, Clip Mounting, Cylindrical Body, Fibe

MFG #A50P30-1

5 in Stock. More available 11/15/2026

$90.56/EA

Regular Price: $109.14/EA, you save $18.58 (17%)

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MERSEN A70P250-4ÿMERSEN A70P250-4ÿMERSEN A70P250-4ÿMERSEN A70P250-4

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MERSEN A70P250-4

Part #MERSEN A70P250-4 700V 250A SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting High Speed, Series: A70P, Non-Indicating, Non-Rejection, 250 A, 700 VAC, 650 VDC, 100 kA Interrupt, 10 ms Response, Bolted Terminal, Bolt Mounti

MFG #A70P250-4

3 in Stock. More available 11/15/2026

$817.64/EA

Regular Price: $985.37/EA, you save $167.72 (17%)

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MERSEN A15QS150-4ÿMERSEN A15QS150-4ÿMERSEN A15QS150-4ÿMERSEN A15QS150-4

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MERSEN A15QS150-4

Part #MERSEN A15QS150-4 150V 150A SEMICOND FUSE Mersen AMP-TRAPÂ® High Speed Fuse, Current Limiting Fast Acting Round Style Semi-Conductor, Series: A15QS, Non-Rejection, 150 A, 150 VAC, 50/100 kA Interrupt, Blade Terminal, Bolted Mounting, Cylind

MFG #A15QS150-4

8 in Stock. More available 11/15/2026

$205.23/EA

Regular Price: $247.32/EA, you save $42.10 (17%)

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MERSEN A15QS6-2ÿMERSEN A15QS6-2ÿMERSEN A15QS6-2ÿMERSEN A15QS6-2

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MERSEN A15QS6-2

Part #MERSEN A15QS6-2 6AMP 150VAC/VDC SEMICONDUCTOR FUSE FERRULE MOUNTING 1-1/2" X 13/32" *i*OBSOLETE Mersen AMP-TRAPÂ® High Speed Fuse, Round Style Semi-Conductor, Series: A15QS, Non-Rejection, 6 A, 150 VAC, 50/100 kA Interrupt, 10 ms Response,

MFG #A15QS6-2

$41.97/EA

Regular Price: $58.29/EA, you save $16.32 (28%)

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MERSEN A50P50-4ÿMERSEN A50P50-4ÿMERSEN A50P50-4ÿMERSEN A50P50-4

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MERSEN A50P50-4

Part #MERSEN A50P50-4 500VAC/450VDC 50AMP FAST ACTING CURRENT LIMITING SEMICONDUCTOR FUSE BOLT-IN BLADES MOUNTING Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting Fast Acting, Series: A50P, Non-Rejection, 50 A, 500 VAC, 100 kA Interrupt, 10

MFG #A50P50-4

5 in Stock. More available 11/15/2026

$175.95/EA

Regular Price: $212.04/EA, you save $36.09 (17%)

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MERSEN A500T1/2E-1ÿMERSEN A500T1/2E-1ÿMERSEN A500T1/2E-1ÿMERSEN A500T1/2E-1

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MERSEN A500T1/2E-1

Part #MERSEN A500T1/2E-1 5000V E-RATED FUSE 1/2E Mersen AMP-TRAPÂ® Potential Transformer Fuse, Current Limiting, Series: A500T, Non-Indicating, 0.5 A, 5000 VAC, 80 kA Interrupt, Class: E, Ferrule Terminal, Clip Mount, Ferrule Body, GMG, 1 in Dia

MFG #A500T1/2E-1

4 in Stock. More available 11/15/2026

$385.36/EA

Regular Price: $421.80/EA, you save $36.44 (9%)

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MERSEN A70QS50-14F

Part #MERSEN A70QS50-14F 50 AMP 690VAC/700VDC FRENCH CYLINDRICAL SEMICONDUCTOR FUSE 14MM X 51MM Mersen AMP-TRAPÂ® Semiconductor Fuse, High Speed, Series: A70QS, Non-Rejection, 50 A, 690 VAC/700 VDC, 200/100 kA Interrupt, 2.5 ms Response, Ferrule

MFG #A70QS50-14F

5 in Stock. More available 11/15/2026

$183.58/EA

Regular Price: $221.24/EA, you save $37.66 (17%)

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MERSEN A25X200-4

Part #MERSEN A25X200-4 200AMP 250V SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting Fast Acting, Series: A25X, 200 A, 250 VAC, 10.6 kA Interrupt, Blade Terminal, Bolt Mounting, 1.22 in Dia x 3.13 in L Body

MFG #A25X200-4

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MERSEN A25X100-4

Part #MERSEN A25X100-4 250V 100A SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting Fast Acting, Series: A25X, 100 A, 250 VAC, 10.6 kA Interrupt, Blade Terminal, Bolt Mounting, 1.22 in Dia x 3.13 in L Body

MFG #A25X100-4

MERSEN A50P125-4ÿMERSEN A50P125-4ÿMERSEN A50P125-4ÿMERSEN A50P125-4

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MERSEN A50P125-4

Part #MERSEN A50P125-4 500V SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting Fast Acting, Series: A50P, Non-Rejection, 125 A, 500 VAC, 100 kA Interrupt, 10 ms Response, Blade Terminal, Bolt Mounting, Cylindrical Body, Fiber, 1

MFG #A50P125-4

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MERSEN C230002

Part #MERSEN C230002 A30QS3-1 300V 3A SEMICOND FUSE

MFG #C230002

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MERSEN FH70F3

Part #MERSEN FH70F3 FH70F3 Mersen Semiconductor Fuse Block, 1000 VAC, 600 A, 1 Pole, 1 ph, Stud Connection, Threaded Mounting, For Use With: A70QS-4K Semiconductor Fuse, Phenolic, 8 in L x 2-1/2 in W x 3 in H Dimensions

MFG #FH70F3

MERSEN A70Q600-4ÿMERSEN A70Q600-4ÿMERSEN A70Q600-4ÿMERSEN A70Q600-4

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MERSEN A70Q600-4

Part #MERSEN A70Q600-4 700V 600A SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting Fast Acting High Speed, Series: A70Q, Non-Indicating, Non-Rejection, 600 A, 700 VAC, 650 VDC, 100 kA Interrupt, 10 ms Response, Bolted Terminal,

MFG #A70Q600-4

MERSEN A70P350-4ÿMERSEN A70P350-4ÿMERSEN A70P350-4ÿMERSEN A70P350-4

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MERSEN A70P350-4

Part #MERSEN A70P350-4 700V 350A SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting High Speed, Series: A70P, Non-Indicating, Non-Rejection, 350 A, 700 VAC, 650 VDC, 100 kA Interrupt, 10 ms Response, Bolted Terminal, Bolt Mounti

MFG #A70P350-4

MERSEN A15QS10-2ÿMERSEN A15QS10-2ÿMERSEN A15QS10-2ÿMERSEN A15QS10-2

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MERSEN A15QS10-2

Part #MERSEN A15QS10-2 150V 10A SEMICOND FUSE/ N230081 Mersen AMP-TRAPÂ® High Speed Fuse, Round Style Semi-Conductor, Series: A15QS, Non-Rejection, 10 A, 150 VAC, 50/100 kA Interrupt, 10 ms Response, Ferrule Terminal, Clip Mounting, Cylindrical/R

MFG #A15QS10-2

MERSEN A70P25-1ÿMERSEN A70P25-1ÿMERSEN A70P25-1ÿMERSEN A70P25-1

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MERSEN A70P25-1

Part #MERSEN A70P25-1 700V 25A SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting High Speed, Series: A70P, Non-Indicating, Non-Rejection, 25 A, 700 VAC, 650 VDC, 100 kA Interrupt, 10 ms Response, Ferrule Terminal, Clip Mounting

MFG #A70P25-1

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MERSEN FH50F5

Part #MERSEN FH50F5 SC FUSE BLOCK A50QS 900-1000A Mersen Semiconductor Fuse Block, 1000 VAC, 1000 A, 1 Pole, 1 ph, Stud Connection, Threaded Mounting, For Use With: A50QS Semiconductor Fuse, Phenolic, 8 in L x 2-1/2 in W x 3 in H Dimensions

MFG #FH50F5

MERSEN A70QS250-4ÿMERSEN A70QS250-4ÿMERSEN A70QS250-4ÿMERSEN A70QS250-4

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MERSEN A70QS250-4

Part #MERSEN A70QS250-4 700V SEMICONDUCTOR FUSE 250A Mersen AMP-TRAPÂ® Semiconductor Fuse, High Speed, Series: A70QS, Non-Indicating, Non-Rejection, 250 A, 690 VAC/700 VDC, 200/100 kA Interrupt, 10 ms Response, Bolt Mounting, Cylindrical Body, Si

MFG #A70QS250-4

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MERSEN A70QS63-22FI

Part #MERSEN A70QS63-22FI 63A 700V FF SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, High Speed French/North American Style, Series: A70QS, Indicating, Non-Rejection, 63 A, 690 VAC/700 VDC, 100/200 kA Interrupt, Class: Form 101, 10 ms Respon

MFG #A70QS63-22FI

MERSEN A50P20-1ÿMERSEN A50P20-1ÿMERSEN A50P20-1ÿMERSEN A50P20-1

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MERSEN A50P20-1

Part #MERSEN A50P20-1 500V 20A SEMICOND FUSE Mersen AMP-TRAPÂ® Semiconductor Fuse, Current Limiting Fast Acting, Series: A50P, Non-Rejection, 20 A, 500 VAC, 100 kA Interrupt, 10 ms Response, Ferrule Terminal, Clip Mounting, Cylindrical Body, Fibe

MFG #A50P20-1

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MERSEN A70QS10-22F

Part #MERSEN A70QS10-22F SC FUSE 700V 10A QS 22X58 Mersen AMP-TRAPÂ® Semiconductor Fuse, High Speed, Series: A70QS, Non-Rejection, 10 A, 690 VAC/700 VDC, 200/100 kA Interrupt, 2.5 ms Response, Ferrule Terminal, Clip Mounting, Cylindrical Body, Si

MFG #A70QS10-22F

MERSEN A15QS1000-4ILÿMERSEN A15QS1000-4ILÿMERSEN A15QS1000-4ILÿMERSEN A15QS1000-4IL

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MERSEN A15QS1000-4IL

Part #MERSEN A15QS1000-4IL 150V 1000A SEMICOND FUSE NC/NR Mersen AMP-TRAPÂ® Semiconductor Fuse, High Speed North American Style, Series: A15QS, Indicating, Non-Rejection, 1000 A, 150 VAC/VDC, 50/100 kA Interrupt, Class: Form 101, 10 ms Response,

MFG #A15QS1000-4IL

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MERSEN A50QS150-4

MFG #A50QS150-4

1 in Stock. More available 11/02/2026 and 11/12/2026

$308.55/EA

Regular Price: $371.85/EA, you save $63.29 (17%)

QTY

U/M