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Product Specifications:
| Item | Fuse |
| Ac Max I.r./breaking Capacity I1 | 200 kA |
| Ac Voltage | 300V AC |
| Ac/dc | AC/DC |
| Amps | 400A |
| Body Material | Glass, Melamine |
| Body Style | Blade |
| Body/insulating Material | GMG |
| Class | Class T |
| Compatible Fuse Block Series | 3Tfb, 6Tfb |
| Connection/terminal Material | Copper |
| Connection/terminal Type | Blade |
| Dc Voltage Rating | 160V DC |
| Diameter | 33.8 mm |
| Element | Single |
| Equivalent Brand And Series | BUSSMANN JJN, EDISON TJN, LITTELFUSE JLLN, MERSEN A3T |
| Equivalent Series | A3T, Jjn, Jlln, Tjn |
| Fits Fuse Block Style | Nonrejection |
| Frame Type | A3T |
| Frequency | 50/60 Hz |
| Fuse Class | Class T |
| Fuse Size | 2 3/4" x 1 5/16" |
| Interrupt Rating | 200 kA @ 300V AC, 50 kA @ 160V DC |
| Length | 69.8 mm |
| Mounting | Bolted |
| Number Of Poles | 1 |
| Product Datasheet | mersen-ferraz-a3t1.pdf |
| Product Group | Low Voltage UL/CSA Fuses |
| Rated Voltage Ac Ul | 300V |
| Rated Voltage Dc Ul | 160V |
| Rohs Compliant | Yes |
| Series | A3T Series |
| Speed | Very Fast Acting |
| Speed Characteristic | Fast Acting |
| Speed Type | Fast Acting |
| Standards | Ul/Csa |
| Visual Indication | Non Indicating |
| Voltage | 300V |
| Voltage Type | AC |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 7.32 |
| Ship length (cm) | 3.51 |
| Ship width (cm) | 3.51 |
| Country of Origin | MX |
Documentation:
Product Variants
| Product | Model | Amps | Diameter | Body Material | Body Style | Mounting | Speed | Class | Speed Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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A3T1 | 1A | 10.4 mm | Glass, Melamine | Cylindrical | Clip | Very Fast Acting | Class T | Fast Acting | €33.79 | |
![]() |
A3T10 | 10A | 10.4 mm | Glass, Melamine | Cylindrical | Clip | Very Fast Acting | Class T | Fast Acting | €28.52 | |
![]() |
A3T100 | 100A | 20.6 mm | Glass, Melamine | Blade | Bolted | Very Fast Acting | Class T | Fast Acting | €45.15 | |
![]() |
A3T1000 | 1000A | 64 mm | Glass, Melamine | Blade | Bolted | Very Fast Acting | Class T | Fast Acting | €710.43 | |
![]() |
A3T110 | 110A | 26.9 mm | Glass, Melamine | Blade | Bolted | Very Fast Acting | Class T | Fast Acting | €70.70 | |
![]() |
A3T1200 | 1200A | 64 mm | Glass, Melamine | Blade | Bolted | Very Fast Acting | Class T | Fast Acting | €710.43 | |
![]() |
A3T15 | 15A | 10.4 mm | Glass, Melamine | Cylindrical | Clip | Very Fast Acting | Class T | Fast Acting | €32.24 |
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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 A3T400 Fuse, Fast Acting, 300V, 400A, Class T, 1 Pole
€119.60 /unit







