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Product Specifications:
| Item | Semiconductor Fuse |
| Ac Max. I R Breaking Capacity I1 | 50 kA |
| Ac Voltage | 700V AC |
| Ac/dc | AC/DC |
| Amps | 300A |
| Body Material | Gmg |
| Body/insulating Material | GMG |
| Connection/terminal Material | Brass |
| Connection/terminal Type | Blade |
| Dia. | 38.1 mm |
| Finish | TiN Plated |
| Frequency | 50/60 Hz |
| Length | 129.3 mm |
| Mounting | Bolted |
| Product Datasheet | mersen-ferraz-a70qs100-4.pdf |
| Product Group | Semiconductor Protection Fuses |
| Rated Voltage Ac Ul | 700V |
| Rated Voltage Dc Ul | 700V |
| Rohs Compliant | Yes |
| Speed Characteristic | High Speed |
| Speed Type | High Speed |
Shipping Info:
| Ship weight (kg) | 0.43 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 12.93 |
| Ship width (cm) | 3.81 |
| Country of Origin | MX |
Documentation:
Product Variants
| Product | Model | Amps | Dia. | Ac Max. I R Breaking Capacity I1 | Connection/terminal Material | Speed Type | Fuse Size | Visual Indication | Series | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
A70QS100-4 | 100A | 25.4 mm | 50 kA | Brass | High Speed | - | - | - | €153.61 | |
![]() |
A70QS100-4IL | 100A | 25.4 mm | 50 kA | Brass | High Speed | 4 3/8" x 1" | Indicating | A70QS Series | €219.20 | |
![]() |
A70QS125-4 | 125A | 31 mm | 50 kA | Brass | High Speed | 4 3/8" x 1 1/4" | Non Indicating | A70QS Series | €265.39 | |
![]() |
A70QS125-4IL | 125A | 31 mm | 50 kA | Brass | High Speed | 4 3/8" x 1 1/4" | Indicating | A70QS Series | €243.21 | |
![]() |
A70QS125-4K | 125A | 31 mm | 100 kA | Brass | High Speed | 5 1/16" x 1 1/4" | Non Indicating | A70QS-K Series | €214.69 | |
![]() |
A70QS125-4KIL | 125A | 31 mm | 50 kA | Brass | High Speed | - | - | - | €349.34 | |
![]() |
A70QS150-4 | 150A | 31 mm | 50 kA | Brass | High Speed | 4 3/8" x 1 1/4" | Non Indicating | A70QS Series | €265.39 |
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MERSEN FERRAZ A70QS300-4 Semiconductor, High Speed, 700V, 300A, aR Class
€343.97 /unit






