FREE delivery on orders over €150
Product Specifications:
| Item | Time Delay Fuse |
| Ac Max I.r./breaking Capacity I1 | 200 kA |
| Ac Voltage | 600V AC |
| Ac/dc | AC/DC |
| Amps | 1201A |
| Body Material | Glass, Melamine |
| Body Style | Blade |
| Body/insulating Material | GMG |
| Class | L |
| Connection/terminal Material | Copper |
| Connection/terminal Type | Blade |
| Dc Voltage Rating | 300V DC |
| Diameter | 3" |
| Element | Dual |
| Equivalent Brand And Series | Bussmann Klu, Bussmann Ktu, Littelfuse Kllu, Littelfuse Klpc, Mersen A4By |
| Equivalent Series | A4By, Kllu, Klpc, Klu, Ktu |
| Finish | Silver Plated |
| Fits Fuse Block Style | Nonrejection |
| Frequency | 50/60 Hz |
| Fuse Class | Class L |
| Fuse Dia. | 3" |
| Fuse Length | 10 3/4" |
| Fuse Size | 10 3/4" x 3" |
| Interrupt Rating | 100 kA @ 300V DC, 200 kA @ 600V AC |
| Length | 10 3/4" |
| Mounting | Bolted |
| Mounting Type | Bolt |
| Product Datasheet | mersen-ferraz-a4by1000.pdf |
| Product Group | Low Voltage UL/CSA Fuses |
| Rated Voltage Ac Ul | 600V |
| Rated Voltage Dc Ul | 300V |
| Rohs Compliant | Yes |
| Series | A4BY Series |
| Speed | Time Delay |
| Speed Characteristic | Time Delay |
| Speed Type | Time Delay |
| Standards | Csa, Ul |
| Visual Indication | Non Indicating |
Shipping Info:
| Ship weight (kg) | 2.8 |
| Ship height (cm) | 8.26 |
| Ship length (cm) | 27.94 |
| Ship width (cm) | 8.59 |
| Country of Origin | MX |
Documentation:
Product Variants
| Product | Model | Amps | Diameter | Body Material | Fuse Dia. | Fuse Length | Dc Voltage Rating | Speed | Body Style | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
A4BY1000 | 1000A | 2 1/2" | Glass, Melamine | 2 1/2" | 10 3/4" | 300V DC | Time Delay | Blade | €906.35 | |
![]() |
A4BY1200 | 1200A | 2 1/2" | Glass, Melamine | 2 1/2" | 10 3/4" | 300V DC | Time Delay | Blade | €1,377.64 | |
![]() |
A4BY1400 | 1400A | 3" | Glass, Melamine | 3" | 10 3/4" | 300V DC | Time Delay | Blade | €1,295.56 | |
![]() |
A4BY1500 | 1500A | 3" | Glass, Melamine | 3" | 10 3/4" | 300V DC | Time Delay | Blade | €1,678.36 | |
![]() |
A4BY1600 | 1600A | 3" | Glass, Melamine | 3" | 10 3/4" | 300V DC | Time Delay | Blade | €1,508.84 | |
![]() |
A4BY1800 | 1800A | 3 1/2" | Glass, Melamine | 3 1/2" | 10 3/4" | 300V DC | Time Delay | Blade | €1,780.58 | |
![]() |
A4BY2000 | 2000A | 3 1/2" | Glass, Melamine | 3 1/2" | 10 3/4" | 300V DC | Time Delay | Blade | €2,514.47 |
Explore Products
- KEY-BAK 0KB6-A0BS0 Smart Phone Jacket, 1.5m Reach, 1 lbs. Weight Capacity
- APOLLO VALVES E231400 Washer, 0.33 Inch I.D., 0.925 Inch O.D., 0.06 Inch Thick
- EATON V48M28B3316ES General Purpose Ventilated Transformer, 300 Kva, 3-Phase, Pv 480V Delta, Sv 208Y/120
- DYNABRADE 14346 Spacer, For 14300/14303/14306
- TSUBAKI MGUS900-4R Cam Clutch, 4.937 Inch Size
- GRAINGER 204-602962 Corner Radius End Mill, Tin Finish, 2 Flutes, 7/16 Inch Milling Dia, 1 Inch Length Of Cut
- EATON E51BLS66PU Inductive Proximity Switch, Sensor Dist. 24Mm, 2-Wire Ac, 8 Ft. Cable
- VERMONT GAGE 362120510 Threaded Ring Gage, M8 x 1.25 Thread Size, Go, 6G Thread Class, Metric
Explore More
- BESTFLEX CONVEYOR
- FUSION
- INCOM MANUFACTURING
- KEYSHAFT
- CHAMPION TOOL STORAGE
- Water and Steam Boilers
- Wheel Chocks
- Loupes
- Shaft Arbors
- Fume Hood Accessories
- NEWSTRIPE Rollmaster Roller Kit
- NORTH BY HONEYWELL Chemsoft CE Disposable Gloves, Nitrile
- ANSELL 56-009 Alphatec Medium Duty PVC Protective Aprons
- ASSOCIATED SPRING RAYMOND EP2 24 Gas Springs
- GLOBE SCIENTIFIC Globe Glass Erlenmeyer Flasks, Narrow Mouth
- HUBBELL-WIEGMANN N4 Single Door Wall-Mount
- ACME ELECTRIC DM Series Three Phase DIN Rail Power Supplies
- ZURN Drains
- ZURN 950XLT2 Double Check Backflow Preventers
- SENSOREX General Purpose Noryl Toroidal Conductivity Sensors
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
MERSEN FERRAZ A4BY1201 Time Delay Fuse, 600V, 1201A, Class L
€2,104.70 /unit







