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Product Specifications:
| Item | Fuse |
| Ac Voltage | 600V AC |
| Amps | 125A |
| Body Material | Melamine |
| Body Style | Blade |
| Class | Class J |
| Compatible Fuse Block Series | Ch30J, Ch60J, J600, Jm600, Jm601, Jm602, Jm604, Jm606, Jp600, Jt600, Jtn600 |
| Dc Voltage Rating | 300V DC |
| Depth | Not Available |
| Diameter | 1 5/8" |
| Element | Dual |
| Equivalent Brand And Series | Bussmann LPJ, Littelfuse JTD, Mersen AJT Series |
| Equivalent Series | Ajt, Jtd, Lpj |
| Fits Fuse Block Style | Nonrejection |
| Functionally Equal To | Ferraz, Gould AJT, Littelfuse JTD |
| Fuse Block Design | Non Rejection |
| Fuse Class | Class J |
| Fuse Holder Code | AC |
| Fuse Length | 5 3/4" |
| Fuse Size | 5 3/4" x 1 5/8" |
| Fuse Type | Time Delay Current Limiting |
| Indicating / Nonindicating | Non Indicating |
| Interrupt Rating | 100 kA at 300V DC, 300 kA at 600V AC |
| Length | 5 3/4" |
| Overall Diameter | 1 5/8" |
| Product Datasheet | bussmann-lpj-125sp.pdf |
| Rejection / Nonrejection | Rejection |
| Response Time | 10 sec. @ 500% |
| Series | Bussmann LPJ, Littelfuse JTD, Mersen AJT Series , LPJ Series |
| Source | Mouser |
| Speed | Time Delay |
| Speed Type | Time Delay |
| Standards | Ce/Ul-Special Purpose Guide Jfhr/Csa Class 1422-02 |
| Visual Indication | Non Indicating |
| Voltage | 600V AC/300V DC |
| Width | Not Available |
Shipping Info:
| Ship weight (kg) | 0.34 |
| Ship height (cm) | 5.08 |
| Ship length (cm) | 14.61 |
| Ship width (cm) | 2.06 |
| HS code | 8536100040 |
| Country of Origin | MX |
Product Details:
Bussmann LPJ-125SP fuse is used in electrical systems to protect equipment from overcurrent conditions that could lead to damage or hazards.
Features:
- Bussmann LPJ-125SP fuse has a dual-element fuse, incorporating both time-delay and current-limiting functionalities to provide precise protection against overcurrents, reducing the potential for damage to your electrical components.
- This fuse has an interrupt rating of 300kAIC at 600VAC for easily handling high-energy fault currents.
- It features a time-delay response characteristic, with a response time of 10 seconds at 500% of the rated current allowing for the safe start-up and operation of inrush-heavy equipment without the risk of unnecessary tripping.
- This Low-Peak fuse delivers consistent 2:1 ampacity ratios for all low-peak fuses, ensuring seamless protection and minimised downtime.
- For a higher current variant, check the brand's LPJ 350 SPI indicating fuse having current rating of 350A. It provides easyID open fuse indication for enhanced protection.
Frequently Asked Questions:
Q. How to check whether the fuse has tripped or not?
A. All the tripped fuses often have visible damage or a broken element inside. Simple visual inspection can easily indicate tripping.
Q. Can I use Bussmann LPJ-125SP fuse with both inductive and resistive loads?
A. Yes, it is suitable for both inductive and resistive loads in any electrical system.
Q. How can I prevent nuisance tripping of the fuse?
A. To avoid unnecessary tripping, it is important to have the proper size of fuse according to the circuit's requirements and ensure the equipment's startup surge is within the fuse's capabilities.
Documentation:
Product Variants
| Product | Model | Amps | Body Style | Fuse Length | Fuse Holder Code | Fuse Dia. | Visual Indication | Dc Voltage Rating | Speed | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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LPJ-7SP | 7A | Cylindrical | 2 1/4" | Z | - | Non Indicating | 300V DC | Time Delay | €29.60 | |
![]() |
LPJ-9SP | 9A | Cylindrical | 2 1/4" | Z | - | Non Indicating | 300V DC | Time Delay | €29.60 | |
![]() |
LPJ-2SP | 2A | Cylindrical | 2 1/4" | Z | - | Non Indicating | 300V DC | Time Delay | €29.60 | |
![]() |
LPJ-3SP | 3A | Cylindrical | 2 1/4" | Z | - | Non Indicating | 300V DC | Time Delay | €31.41 | |
![]() |
LPJ-4SP | 4A | Cylindrical | 2 1/4" | Z | - | Non Indicating | 300V DC | Time Delay | €32.29 | |
![]() |
LPJ-5SP | 5A | Cartridge Fuses | 2 1/4" | Z | - | Non Indicating | - | - | €29.60 | |
![]() |
LPJ-6SP | 6A | Cylindrical | 2 1/4" | Z | - | Non Indicating | 300V DC | Time Delay | €29.60 |
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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.
BUSSMANN LPJ-125SP Low Peak Fuse, 125 A
€181.15 /unit



