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OptiFuse TPKR400mA Circuit Protection Fuse

A 13/32 inch by 1 1/2 inch time-delay fuse rated for 600 volts AC, UL Class CC, with a current rating of 400 mA. Suitable for circuit protection in lighting, control transformers, solenoid, and general purpose applications. Offers high current limiting capabilities and is designed to prevent overloads and short circuits, ensuring safety and reliability. The fuse features a time delay for better tolerance of inrush currents and complies with UL and CSA standards for quality and safety. Ideal for industrial and electrical systems requiring consistent performance and dependable circuit interruption.

Authorized Distributors
Source:DigiKey
Part No:TPK-R-400MA
Stock:100
Inv Date:06-05-2026
Price: Unit price: $35.55
Buy/RFQ:
Part No:TPK-R-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $17.99
Buy/RFQ:
Part No:TPK-R-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $17.99
Buy/RFQ:

OptiFuse TPKR400MA Circuit Protection Fuse Specifications:

  • Size: 13/32 inch x 1-1/2 inch
  • Voltage Rating: 600 VAC
  • Current Rating: 400 mA
  • UL Standard: UL 248-4
  • CSA Certification: C22.2 No. 248.4
  • Type: Time Delay (slow-blow)
  • Application: Circuit protection for lighting, control transformers, solenoids, general purposes
  • Compliance: UL Listed, CSA Certified
  • Interrupt Rating: 200,000A @ 600VAC, 100,000A @ 300VDC
  • Operational Range: 100mA - 30A
  • Physical Dimensions: 13/32 inch x 1-1/2 inch
  • Construction: Current limiting, ferrule type
  • Temperature Range: Not specified; typically -55°C to +105°C
  • Material: Not specified; standard fuse construction
  • Features: High current limiting, time delay for surged currents
  • Standards: UL 248-4, CSA C22.2 No. 248.4
  • Additional Notes: Use within specified maximum ratings to prevent damage and electrical arcing

Buy the Optifuse Series TPK-R: Circuit Protection Fuse 400mA

Secure your electrical systems with the Optifuse TPK-R 400mA fuse. Designed for reliable overload and short circuit protection, this UL-listed time delay fuse ensures your equipment operates safely and efficiently. Its high current limiting feature prevents damage from electrical faults, making it perfect for lighting, transformers, and control circuits. Purchase online today and benefit from fast delivery, excellent warranty, and trusted brand quality—ensuring your projects stay safe and compliant with industry standards.

Buy Optifuse TPK-R 400mA now and experience unmatched reliability and performance in circuit protection with high current limiting capabilities.

Frequently Asked Questions

Where can I buy OptiFuse TPKR400MA?

You can click on the BUY or RFQ button to purchase TPKR400MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part TPKR400MA?

You can download the TPKR400MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of TPKR400MA?

OptiFuse

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