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Eaton Bussmann

Eaton Bussmann LPJ-300SPI 300A 600VAC Class J Indicating Fuse

Part Number: LPJ-300SPI

● LT: 8-12w

300A Low-Peak Class J dual-element time-delay fuse, indicating, rated 600VAC.

Rated Current300A
Rated Voltage600V AC
Breaking Capacity300kA RMS symmetrical at 600VAC
PackageDrawing dimensions: 7.13 / 5.25 / 3.38 in reference lengths; 2.00 in body diameter; terminal details 0.41 / 0.53 / 1.63 / 1.88 / 0.25 in

The Eaton Bussmann Low-Peak LPJ-300SPI is a 300A indicating UL Class J fuse with dual-element, current-limiting and time-delay performance. It provides a minimum 10-second operating time at 500% of rated current and a 300kA RMS symmetrical interrupting rating at 600VAC. The easyID open-fuse indicator requires at least 75VAC, and this indicating version is not DC rated.

Technical Specifications

Part Number
LPJ-300SPI
Manufacturer Part Number
LPJ-300SPI
Series
Low-Peak LPJ Class J
Fuse Type
Current-Limiting Dual-Element Branch-Circuit Fuse
Current Rating
300A
Voltage Rating
600V AC
AC / DC
AC
Breaking Capacity
300kA RMS symmetrical at 600VAC
I²t
See official current-limitation curves
Package / Dimensions
Drawing dimensions: 7.13 / 5.25 / 3.38 in reference lengths; 2.00 in body diameter; terminal details 0.41 / 0.53 / 1.63 / 1.88 / 0.25 in
Mounting
Bolt in
Application
Branch Circuit Mains · Industrial Controls · Machinery Disconnects · Motor Circuits · Power Panelboards
Standard
CSA C22.2 No. 248.8 · UL 248-8
Terminal Type
Class J blade terminals
Fuse Speed
Time Delay
Utilization Class
Class J
Approvals
CE · CSA · cULus · RoHS
Certifications
cULus Listed (JDDZ.E4273) · CSA Certified · CE · RoHS Compliant
Reference Lead Time
8-12 weeks
Fuse indicator
Indicating easyID; minimum indicator voltage 75VAC; indicating version is not DC rated; Response: minimum 10 s at 500% rated current; Carton quantity: 1; Recommended JM fuse blocks: JM60400-1CR, JM60400-2CR, JM60400-3CR. Source: Eaton Technical Data 1007, July 2023.

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