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OptiFuse RS240040 Resettable Overcurrent Fuse

The RS240 series resettable fuse is a reliable overcurrent protection component designed for voltage ratings up to 240V AC/DC. With radial leads, these PTC fuses automatically trip during overloads or short circuits and can be manually reset to resume operation. Suitable for applications like power supplies, transformers, and appliances, the RS240 offers low hold current, quick trip response, and compliance with RoHS and TUV standards. Its robust construction ensures safe operation within specified ratings, making it ideal for sensitive electronic circuits requiring precise overcurrent protection.

Authorized Distributors
Part No:RS240-040
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.767
Buy/RFQ:
Part No:RS240-040
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.767
Buy/RFQ:

OptiFuse RS240040 Resettable Overcurrent Fuse Specifications:

  • Maximum Operating Voltage: 240 Vac
  • Trip Current Range: 0.05A to 2.0A depending on model
  • Maximum Fault Current: Up to 265 V ac
  • Hold Current: Varies by model, e.g., 0.05A to 2.0A
  • Maximum Power Dissipation: Up to 4.5 W
  • Resistance Tolerance: ±20%
  • Operating Temperature Range: -40°C to 85°C
  • Lead Material: Tin-plated copper, 24AWG/22AWG/20AWG
  • Soldering: MIL-STD-202, Method 208E
  • Insulating Coating: Flame retardant epoxy (UL-94V-0)
  • Physical Dimensions: Lead diameters from 0.51mm to 0.81mm, lengths from 8.3mm to 33.8mm depending on model
  • Standards: RoHS, TUV compliant

Buy the Optifuse Series RS240 Overcurrent Protection: RS240040

Get your Optifuse Series RS240 resettable fuse now and safeguard your electronic devices against overloads and short circuits with a reliable, easy-to-reset design rated for 240V. Suitable for power supplies, transformers, and appliances, these radial-lead PTC fuses are RoHS and TUV compliant, ensuring safety and durability. With different current ratings, this fuse offers quick trips and manual resets, making maintenance simple. Order online today to enhance your circuit protection with trusted quality and performance for your projects.

Order your Optifuse Series RS240 fuse today and ensure reliable overcurrent protection for your power supplies and electronic appliances.

Frequently Asked Questions

Where can I buy OptiFuse RS240040?

You can click on the BUY or RFQ button to purchase RS240040 from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part RS240040?

You can download the RS240040 datasheet or visit the OptiFuse website for support.

Who is the manufacturer of RS240040?

OptiFuse

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