# Redline HMI fuse type/size (FAQ)

**URL:** https://forum.onefinitycnc.com/t/redline-hmi-fuse-type-size-faq/38030
**Category:** Elite Series Gen 2 Official FAQs
**Created:** [March 30, 2026, 8:23pm UTC](https://forum.onefinitycnc.com/t/redline-hmi-fuse-type-size-faq/38030 "2026-03-30T20:23:56Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Redlinecnc](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/redlinecnc/32/32571_2.png) [@Redlinecnc](https://forum.onefinitycnc.com/u/Redlinecnc)
#### Post date: [March 30, 2026, 8:23pm UTC](https://forum.onefinitycnc.com/t/redline-hmi-fuse-type-size-faq/38030/1 "2026-03-30T20:23:56Z")

</div>

The Redline HMI has a replaceable fuse on the backside.

 ![REDLINE Controller (Back) Fuse Location](https://us1.discourse-cdn.com/flex022/uploads/onefinitycnc/original/3X/8/d/8dd070e0d2d92b144e860d06862e117eacb1726e.jpeg)

# 

Fuses for Redline HMI 110V (North America) :

- 
# 6.3A slow 5mm X 20mm

Digikey: [https://www.digikey.ca/en/products/detail/bel-fuse-inc/5ht-6-3-r/1008987](https://www.digikey.ca/en/products/detail/bel-fuse-inc/5ht-6-3-r/1008987)

Amazon: [BOJACK T6.3AH250V 5x20mm 6.3A 250V Slow-Blow Ceramic Fuses 6.3 amp 250 Volt 0.2x0.78 Inch Ceramic Tube Time-delay Fuses (Pack of 20): Amazon.com: Tools & Home Improvement](https://amzn.to/4cdIELo?tag=benmyers-20)

# Fuse for Redline HMI 220V :

- 
# 3A slow 5mm x 20mm

Digikey: [https://www.digikey.ca/en/products/detail/littelfuse-inc/0239003-HXP/778222](https://www.digikey.ca/en/products/detail/littelfuse-inc/0239003-HXP/778222)

Amazon: [BOJACK T3AL250V 5x20mm 3A 250V Slow Blow Fuses 3 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20): Amazon.com: Tools & Home Improvement](https://amzn.to/4tfrFxM?tag=benmyers-20)