LPJ-250SP | Bussmann Fuse

Bussmann · Circuit Breakers & Protection

Description  The LPJ‑250SP is a 250 A, Class J dual-element time-delay fuse from Bussmann (by Eaton), engineered for robust protection in industrial and commercial electrical systems.     Technical Specifications  Condition New/Never Used Surplus Brand Bussmann Category Panel Accessories Part Number LPJ-250SP Subcategory Fuse Series LPJ-SP Tradename Low-Peak Product Type Industrial Power Fuses Product Class J Fuses Body Style Cartridge Blade Fuses Mounting Style Holder Termination Style Knife Blade RoHS RoHS Compliant Current Rating 250 A Voltage Rating (AC) 600 VAC Voltage Rating (DC) 300 VDC Fuse Type Time Delay / Slow Blow (Dual Element) Interrupt Rating 300 kA (AC) Dimensions  2 × 3.38 in (approx. 50.8 × 85.9 mm) Weight 0.48 lbs Replacement Number 51712523189       Information About LPJ-250SP The LPJ-250SP is a 250-amp, dual-element, time-delay Class J fuse from Eaton Bussmann’s Low-Peak® LPJ-SP series, designed to deliver superior short-circuit and overload protection in industrial and commercial power systems. With a 600 V AC / 300 V DC rating and up to 300 kA interrupting capacity, this fuse is ideal for motor circuits, lighting panels, branch circuits, and transformers where high inrush currents and coordination with downstream devices are critical. Key Features: 250 Amp Time-Delay Fuse: Withstands harmless overcurrent surges during motor start-up or transformer energizing. Dual-Element Construction: Allows reliable separation of short-circuit and overload protection. Class J Rated: Compliant with UL 248-8, compatible with all Class J fuse holders. High Interrupting Rating: 300 kA RMS Symmetrical at 600 V AC 100 kA at 300 V DC Current-Limiting: Limits fault current energy, reducing potential damage to wiring and equipment. Compact Blade-Style Form: Fits into tight panel layouts; quick installation and replacement. Agency Approvals: UL Listed, CSA Certified, CE Marked, RoHS Compliant. The LPJ-250SP fuse offers robust protection and high-performance circuit safety for a wide range of critical electrical applications. Its time-delay functionality, high interrupting ratings, and compliance with modern safety standards make it a trusted solution for both OEMs and maintenance engineers.

Brand: Bussmann · Category: Circuit Breakers & Protection

Key features

• 250 Amp Time-Delay Fuse: Withstands harmless overcurrent surges during motor start-up or transformer energizing.
• Dual-Element Construction: Allows reliable separation of short-circuit and overload protection.
• Class J Rated: Compliant with UL 248-8, compatible with all Class J fuse holders.
• High Interrupting Rating:
• 300 kA RMS Symmetrical at 600 V AC
• 100 kA at 300 V DC
• Current-Limiting: Limits fault current energy, reducing potential damage to wiring and equipment.
• Compact Blade-Style Form: Fits into tight panel layouts; quick installation and replacement.
• Agency Approvals: UL Listed, CSA Certified, CE Marked, RoHS Compliant.

Specifications

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