

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The MERSEN OT90 is a Class K5 fast-acting fuse designed for low-cost protection of feeder and branch circuits. This 90A fuse is suitable for lighting, heating, and non-motor loads, and safely interrupts short circuit currents up to 50,000 amperes. It is approved by UL and CSA standards.
Provides reliable, low-cost protection for various non-motor load applications with a high interrupt rating.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!