Ignitions and Electrical› Wiring Components

BUSSMANN

UL CLASS RK-5 TIME DELAY

$165.43

SKU: B03L ECSR90

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Bussmann ECSR90 is a dual-element time-delay fuse designed for AC power distribution systems. It offers protection for mains, feeders, branch circuits, motors, and transformers. This Class RK5 fuse has a voltage rating of 600V and an amperage rating of 90A.

With a 200 kAIC interrupt rating and a response time of 10 seconds at 500% of its rating, the ECSR90 provides current-limiting capabilities. It is approved by CE, UL, and CSA.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandBUSSMANN
Part NumberB03L ECSR90

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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