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Eaton Bussmann LPJ400SPI industrial fuse

This is a slow blow, time lag fuse rated for 600 VAC and 300 VDC. It has a current rating of 400 Amps and features a bolt mount package. The dimensions are approximately 53.59mm by 181.00mm, designed for secure bolt mounting. The fuse provides high interrupting capacity up to 300,000A RMS Sym. and 100,000A DC, ensuring reliable protection for motor circuits and industrial equipment. Its long time-delay minimizes unnecessary fuse blowouts during temporary overloads and surges, making it ideal for protecting sensitive and high-capacity electrical systems.

Authorized Distributors
Source:Newark
Part No:LPJ-400SPI
Stock:2
Inv Date:06-11-2026
Price: Unit price: $1335.51
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Source:DigiKey
Part No:LPJ-400SPI
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1251.42
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Part No:LPJ-400SPI
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1251.41
Buy/RFQ:
Part No:LPJ-400SPI
Stock:1
Inv Date:06-11-2026
Price: Unit price: $570.49
Buy/RFQ:
Part No:LPJ-400SPI
Stock:0
Inv Date:06-11-2026
Price: Unit price: $976.24
Buy/RFQ:
Part No:LPJ-400SPI
Stock:0
Inv Date:06-11-2026
Price: Unit price: $976.24
Buy/RFQ:

Eaton Bussmann LPJ400SPI industrial fuse Specifications:

  • Voltage Rating: ac: 600V, de: 300V
  • Ampere Rating: 400A
  • Interrupting Rating: ac: 300,000A RMS Sym., dc: 100,000A
  • Type: Dual-Element, Time-Delay, Slow Blow
  • Mounting: Bolt
  • Dimensions: approximately 53.59mm by 181.00mm
  • Rated for Class J applications
  • Standards: UL Listed, CSA Certified
  • Resistance: Lower resistance than ordinary fuses
  • Time-Delay: Minimum 10 seconds at 500% overload
  • Application: Motor protection, transient surge suppression
  • Compliance: Meets UL Standard 248-8, IEC Standard 947-4-1
  • Physical Features: Secure bolt mount, long-time delay for temporary overloads
  • Suitable for industrial and commercial electrical safety

Buy the Buy Cooper LOW-PEAK Dual-Element Time-Delay Fuse Part Number LPJ400SPI Online

Get your Cooper low-peak dual-element, time-delay fuse with a 400Amp rating, designed for 600V AC and 300V DC applications. Featuring high interrupting capacity up to 300,000A RMS Sym. and 100,000A DC, this fuse provides reliable protection for motor circuits, industrial equipment, and transient surges. Its long time-delay minimizes unnecessary openings caused by temporary overloads, making it suitable for sensitive and high-capacity systems. Easy bolt mounting and compliance with safety standards ensure optimal performance and safety for your electrical infrastructure.

Order your Cooper SERIES LPJ-400SPI time-delay fuse today and ensure reliable protection for high-capacity industrial electrical systems.

Frequently Asked Questions

Where can I buy Eaton Bussmann LPJ400SPI?

You can click on the BUY or RFQ button to purchase LPJ400SPI from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part LPJ400SPI?

You can download the LPJ400SPI datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of LPJ400SPI?

Eaton Bussmann

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