Can these be used on 125V applications as well?

Yes it’s the amount of amps not volts that blow a fuse

Is the 250v voltage rating ac (vac) or dc (vdc)?

It makes no difference if it's AC or DC. A fuse is an inert component and works the same on AC and DC.

My machine needs fuse t8a h 250vac. does this product fit my machine?

I do not think so. "t8a h 250vac" may mean slow blow "t", 8 amp blowing current "8a", high current "h", 250 volts AC circuit "250vac". MCIGICM has fast (quick blow), which is necessary for electronics using transistors. For myself I always want or need: what does the fuse look like, fuse dimensions, markings such as you are using. Markings may have extra spaces or not. Slow blow are probably not transparent or are ceramic rather than glass or ar glass with a lot of stuff in them rather than just a wire or strip (with narrowing?). I looked up 'electrical fuse' on wikipedia and went from the text to footnote 7 for an Australian fuse company's page on fuse markings: https://www.swe-check.com.au/pages/learn_fuse_markings.php

Are these standard-sized fuses, ie, dimensions?

As far as standard-size, all I know is the original fuse I removed was the same as what I used in the assorted fuses. Same length and amp.

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Fast-Blow Glass Fuse Assortment, 5 x 20mm, 300 Pcs, 15 Values 250V | 0.1A/ 0.25A/ 0.5A/ 1A/ 1.5A/ 2A/ 3A/ 4A/ 5A/ 8A/ 10A/ 12A/ 15A/ 20 A

Product ID: 149768794

Details

Brand
MCIGICM
Current Rating
20 A
Material
Glass
Mounting Type
Surface Mount
Voltage
250 volts

⚡250V high voltage rating

📦300-piece comprehensive assortment

🔢15 distinct current values

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Description

⚡ Fuse your tech fears away with the ultimate power pack!

BULK READY - 300-piece set ensures you’re always stocked and ready for any project.
TRUSTED TOP RANKED - Highly rated (#20 in Cartridge Fuses) with 4.6 stars from over 1,200 users.
POWER PACKED PROTECTION - Rated for up to 250 volts to safeguard your devices with confidence.
PRECISION CURRENT RANGE - 15 fast-blow fuse values from 0.1A to 20A for tailored circuit safety.
CRYSTAL CLEAR DURABILITY - Robust glass tube design combines visibility with reliable performance.

This Fast-Blow Glass Fuse Assortment offers 300 pieces across 15 current ratings (0.1A to 20A) at 250V, housed in durable glass tubes sized 5x20mm. Perfect for professionals and hobbyists needing reliable, precise circuit protection, this top-ranked MCIGICM set combines variety, quality, and bulk convenience to keep your electronics safe and your projects uninterrupted.

Specifications

ASIN	B07TXFHR5J
Best Sellers Rank	#25,364 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 in Cartridge Fuses
Brand Name	MCIGICM
Current Rating	20 A
Customer Reviews	4.6 4.6 out of 5 stars (1,285)
Manufacturer	MCIGICM
Material Type	Glass
Model	mix-250V
Mounting Type	Surface Mount
Number of Items	300
Part Number	mix-250V
Unit Count	300 Count
Voltage	250 volts

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₨392

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In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

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