Weasch automotive fuse 150A
Product description
What matters most
The slow-blow design is intended to handle current surges differently from a fast-acting fuse, while still interrupting the circuit during an overload or short circuit. This Weasch 150A MEGA/AMG-style fuse is bolt-mounted and rated for 32V DC, making it relevant to vehicle circuits that call for this specific fuse type and rating.
It comes as a three-pack, which gives you replacement fuses on hand rather than just one. The fuse uses a zinc-alloy body with a nickel-plated surface, an integrated heat sink, and a riveted connection structure. Those construction details are useful context, but the key buying check is whether the electrical rating and physical layout match the fuse you need to replace.
How to use it
This is a replacement component for a compatible bolt-mounted fuse position, not a resettable protection device. Keep in mind that once the fuse blows, it cannot be reset, a new fuse has to be installed before the protected device can work again. Its stated role is to block the circuit when an overload or short circuit occurs, rather than to keep operating after a fault.
Before fitting one, compare the required fuse type, current rating, voltage rating, and mounting dimensions with the existing part or the vehicle’s requirements. The listed dimensions are 2.71 x 0.64 x 0.38 inches, with 2-inch hole spacing and an M8 hole diameter. Those measurements make it easier to catch a physical mismatch before installation, but they do not establish compatibility with every vehicle in the listed categories.
Practical tips
The product is described for motor vehicles, automotive air-conditioning systems, electric vehicles, trucks, agricultural and construction machinery, buses, and caravans. That range points to possible applications, not a guarantee that one fuse fits every circuit in those machines. For example, if a vehicle’s air-conditioning circuit uses a 150A MEGA/AMG fuse with matching bolt spacing, this pack provides replacement fuses in that format, a different rating or mounting pattern calls for a different part.
It suits you if you already know the circuit calls for a 150A, 32V DC MEGA/AMG-style fuse and want spares in a three-pack. It might not be a great match if you need a fuse that can be reset, or if you have not confirmed the required rating and dimensions. Compared with a resettable protection option, this one is a replace-after-blowing part, so keeping a spare matters if you need the circuit restored after a fault.
Before you decide
Is this fuse resettable? No. The description says a blown fuse must be replaced.
What does slow-blow mean here? It is identified as a time-delay fuse, intended to provide overload and short-circuit protection. The supplied information does not specify a response time.
What should I check for fit? Match the required MEGA/AMG fuse type, 150A rating, 32V DC rating, overall dimensions, hole spacing, and M8 hole diameter against the existing fuse or equipment requirements.
Should you buy it?
Choose this pack when your circuit specifically calls for a bolt-mounted 150A MEGA/AMG fuse and the listed dimensions fit. The three-pack and stated vehicle applications make it a practical spare-parts choice for those requirements. Skip it if you need a resettable device or cannot confirm the correct fuse rating and mounting pattern, the broad application list alone is not enough to establish a fit.