Schaedler Yesco | Mersen Ferraz Shawmut Chase Fuses

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: TW (35)
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UltraSafe (33)
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: Finger-safe IP20 protection Optional indicator lights DIN-rail mount Compact footprint Quick, easy fuse change (12)
Ceramic body Fast-acting 5 mm x 20 mm (12)
All fuses are AC and DC rated Expanded ampere ratings Time-delay and general purpose types (5)
Glass body Fast-acting 5 mm x 20 mm 1-1/2"" Axial leads (1)
Suitable for use as Motor Disconnect Meets OSHA lockout/tagout requirements NEMA rated enclosures Knockouts provided Easy screw mounting Selector or pistol handles in black or red/yellow (1)
Patented design allows same body to accept screw or bayonet knob Flange design allows front or rear mounting. (5)
Four unique sizes from ½-60 amperes do not allow inter-changeability with other fuse classes Fiberglass bodies provide dimensional stability in harsh industrial settings (16)
300V 15A Thermoplastic body w/single or two wire version availability and integral mounting clip, tin-plated, insulated #18 solid copper 6" wire lead (1)
Numerous ratings for a wide variety of applications up to 500VAC Time-delay (12 seconds at 200 percent rating) for circuits with high inrush current Can be used with UltraSafe Fuse holders 1 1/2"" x 13/32"" (10 mm x 38 mm) dimensions (32)
Low I2t minimizes damage to protected components on short circuit Controlled arc voltage reduces stress to circuit components during fuse clearing Wide range of ampere ratings (4)
: 4.15 x 3.54 x 2.51 in (2)
5.8 x 2.96 x 1 in (1)
10.88 x 3 in (1)
8.87 x 1.44 in (1)
7.47 x 1.35 x 2.17 in (1)
0.25 x 1.25 Inches (3)
4.68 x 1.36 x 1.97 in (1)
7.13 x 2.12 in (18)
3.83 x 0.2 in (2)
1.41 x 0.41 in (1)

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MERSEN ATDR6-1/4

Part #MERSEN ATDR6-1/4 600V 6-1/4A CC TD FUSE Mersen AMP-TRAPÂ® 2000 SmartSpotÂ® Power Fuse, Current Limiting Low Voltage North American Time Delay, Series: ATDR, Non-Indicating, Rejection, 6.25 A, 600 VAC, 200 kA Interrupt, Class: CC,

MFG #ATDR6-1/4

3 in Stock. More available 01/18/2026

$685.54/BX

Regular Price: $937.50/BX, you save $251.96 (27%)

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U/M

MERSEN USM3

Part #MERSEN USM3 30AMP 600VAC/1000VDC MAXIMUM MIDGET CLASS THREE POLE ULTRASAFE FUSE HOLDER DIN-RAIL MOUNT Mersen UltraSafeâ¢ Fuse Holder, Series: USM, 800 VAC/1000 VDC, 30 A, 3 Pole, 3 Phase, Class: Midget, Fuse Holder Code: D, Pressure P

MFG #USM3

MERSEN TRS1R

Part #MERSEN TRS1R 1AMP 600VAC/VDC CLASS RK5 TIME- DELAY CURRENT LIMITING FUSE REJECTION TYPE Mersen Tri-OnicÂ® Time Delay Fuse, Current Limiting Low Voltage, Series: TRS-R, Non-Indicating, Rejection, 1 A, 600 VAC/VDC, 200/20 kA Interrupt, Class:

MFG #TRS1R

MERSEN ATDR4-1/2

Part #MERSEN ATDR4-1/2 600V 4-1/2A CC TD FUSE Mersen AMP-TRAPÂ® 2000 SmartSpotÂ® Power Fuse, Current Limiting Low Voltage North American Time Delay, Series: ATDR, Non-Indicating, Rejection, 4.5 A, 600 VAC, 200 kA Interrupt, Class: CC, F

MFG #ATDR4-1/2

MERSEN SLR1-6/10

Part #MERSEN SLR1-6/10 250V 1 6/10A FLUOR LITE FUSE Mersen Miniature Fuse, Fast Acting In-Line, Series: SLR, Indicating/Non-Indicating: Non-Indicating, Rejection/Non-Rejection: Non-Rejection, 1.6 A, 300 VAC, 10 kA Interrupt, Bayonet Terminal, Holder Mount,

MFG #SLR1-6/10

MERSEN GDL6

Part #MERSEN GDL6 6AMP 250VAC GLASS FUSE TIME-DELAY 1/4" X 1-1/4" Mersen Miniature Fuse, Time Delay, Series: GDL, Indicating/Non-Indicating: Non-Indicating, Rejection/Non-Rejection: Non-Rejection, 6 A, 250 VAC, 0.2 kA Interrupt, Ferrule Terminal, Clip Moun

MFG #GDL6

50 in Stock. More available 12/27/2025 and 01/15/2026

$23.19/BX

Regular Price: $31.71/BX, you save $8.52 (27%)

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MERSEN A2D1-8/10R

Part #MERSEN A2D1-8/10R 250V 1-8/10A RK1 TD FUSE Mersen AMP-TRAPÂ® 2000 SmartSpotÂ® Power Fuse, Low Voltage North American Style Time Delay, Series: A2D-R, Indicating, Rejection, 1.8 A, 250 VAC, 200 kA Interrupt, Class: RK1, Ferrule Ter

MFG #A2D1-8/10R

MERSEN TRS600RID

Part #MERSEN TRS600RID 600V 600A TD RK5 FUSE SMARTSPO Mersen Tri-OnicÂ® Time Delay Fuse, Current Limiting Low Voltage, Series: TRS-R, Indicating, Rejection, 600 A, 600 VAC/VDC, 200/100 kA Interrupt, Class: RK5, Blade Terminal, Clip Mounting, Cyli

MFG #TRS600RID

MERSEN GSD1

Part #MERSEN GSD1 1AMP 250VAC CERMAIC FUSE FAST ACTING 5MM X 20MM Mersen Miniature Fuse, Fast Acting, Series: GSD, Rejection/Non-Rejection: Non-Rejection, 1 A, 250 VAC, 1.5 kA Interrupt, Ferrule Terminal, Clip Mount, Cylindrical Body, Ceramic, 5 mm Dia x 2

MFG #GSD1

45 in Stock. More available 12/27/2025 and 01/15/2026

$36.64/BX

Regular Price: $50.10/BX, you save $13.46 (27%)

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MERSEN OT30

Part #MERSEN OT30 30AMP 250VAC CLASS K5 FUSE GENERAL PURPOSE Mersen One-Time Fuse, Fast Acting, Series: OT Series, Non-Rejection, 30 A, 250 VAC/VDC, 50/20 kA Interrupt, Class: K5, Ferrule Terminal, Clip Mounting, Cylindrical Body, Paper, 9/16 in Dia x 2 in

MFG #OT30

116 in Stock. More available 01/15/2026

$88.80/BX

Regular Price: $110.29/BX, you save $21.49 (19%)

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MERSEN RFS60

Part #MERSEN RFS60 83265 FUSE,RENEWABLE (600AS FAS Mersen Fast Acting Fuse, Low Voltage Renewable, Series: RFS, 60 A, 600 VAC, 10 kA Interrupt, Class: H, Ferrule Terminal, Clip Mounting, Cylindrical Body, 1-1/16 in Dia x 5-1/2 in L Body

MFG #RFS60

5 in Stock. More available 01/18/2026

$194.76/EA

Regular Price: $241.90/EA, you save $47.14 (19%)

QTY

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MERSEN GAB8

Part #MERSEN GAB8 8AMP 250VAC CERAMIC FUSE FAST ACTING 1/4" X 1-1/4" Mersen Miniature Fuse, Fast Acting, Series: GAB, Indicating/Non-Indicating: Non-Indicating, Rejection/Non-Rejection: Non-Rejection, 8 A, 250 VAC, 0.2 kA Interrupt, Ferrule Terminal, Clip

MFG #GAB8

140 in Stock. More available 02/15/2026

$22.37/BX

Regular Price: $30.59/BX, you save $8.22 (27%)

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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 GSA8

Part #MERSEN GSA8 8AMP 250VAC CERAMIC FUSE TIME-DELAY 1/4" X 1-1/4" Mersen Miniature Fuse, Time Delay, Series: GSA, Indicating/Non-Indicating: Non-Indicating, Rejection/Non-Rejection: Non-Rejection, 8 A, 250 VAC, 0.2 kA Interrupt, Ferrule Terminal, Clip Mo

MFG #GSA8

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

3 in Stock. More available 01/18/2026

$1515.87/BX

Regular Price: $2072.98/BX, you save $557.12 (27%)

QTY

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MERSEN GGM4

Part #MERSEN GGM4 4AMP 125VAC GLASS FUSE FAST ACTING 5MM X 20MM *i*DISCONTINUED W/NO REPLACEMENT Mersen Miniature Fuse, Fast Acting, Series: GGM, Rejection/Non-Rejection: Non-Rejection, 4 A, 125 VAC, 10 kA Interrupt, Ferrule Terminal, Clip Mount, Cylindric

MFG #GGM4

$19.70/BX

Regular Price: $26.94/BX, you save $7.24 (27%)

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