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OptiFuse TMSR4A Time-Delay Fuse

This time-delay fuse features a square thermoplastic body with short radial copper alloy leads, designed for reliable circuit protection in North American systems. Rated at 4A, it offers delayed operation for overcurrent scenarios, making it ideal for applications requiring surge handling without nuisance tripping. Compliant with UL/CSA standards, it ensures safety and durability. With a voltage rating of 250V and constructed with a silver alloy element, this fuse provides consistent performance and is suitable for various electrical devices and industrial equipment needing dependable, short leaded fuse protection.

Authorized Distributors
Part No:TMS-R-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.48
Buy/RFQ:
Part No:TMS-R-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.575
Buy/RFQ:
Part No:TMS-R-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.575
Buy/RFQ:

OptiFuse TMSR4A Time-Delay Fuse Specifications:

  • Body Material: Thermoplastic UL94V-0
  • Lead Type: Radial, Short Leaded
  • Rated Current: 4A
  • Voltage Rating: 250V
  • Material: Copper Alloy, Tin plated
  • Element: Silver Alloy
  • Interrupt Ratings: Applicable for overcurrent protection
  • Dimensions: Length approximately 0.33 inches [8.4 mm], Width approximately 0.17 inches [4.3 mm]
  • Mounting Holes: 0.02 inches [0.5 mm]
  • Compliance: UL, CSA
  • Operation: Designed for occasional overcurrent protection, delayed fuse operation
  • Temperature Rating: Suitable for standard operating conditions
  • Standards: UL Listed, CSA Certified
  • Application: Circuit protection in electronic and industrial systems

Buy the Buy Optifuse TMS-R Part Number TMSR4A Online

Purchase the Optifuse TMS-R 4A time-delay fuse online today to benefit from reliable circuit protection with short radial leads, UL/CSA standards, and dependable performance. Perfect for industrial, electronic, and appliance applications requiring delayed fuse operation. With a voltage rating of 250V and construction from durable thermoplastic and copper alloy, this fuse offers safety and efficiency. Order now and enhance the reliability of your electrical systems with this trusted overcurrent safeguard designed for North American standards.

Order your Optifuse TMS-R 4A time-delay fuse today and ensure your electrical systems are protected with reliable overcurrent safeguard.

Frequently Asked Questions

Where can I buy OptiFuse TMSR4A?

You can click on the BUY or RFQ button to purchase TMSR4A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part TMSR4A?

You can download the TMSR4A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of TMSR4A?

OptiFuse

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