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Non Resettable Fuses

Non resettable fuses are designed to protect essential electrical equipment by breaking the circuit upon fault detection. These are mounting type fuses that are mounted onto a printed circuit board. They feature two extended wires and a body designed for single use only. In addition, they are available with varying levels of resistance, voltages, and current ranges. 

How Do These Fuses Work?

These fuses work similarly to the performance of circuit breakers in circuits. The integrated metal strip melts when a fault like a short circuit or overload is detected. This stops the current flow and protects the electrical devices and circuits from being damaged. During tripping, when a fuse blows, it is advised to replace the fuses as they are non-resettable.

Types of Non-resettable Fuses

Non resettable fuses are differentiated based on their size, current ratings, and resistance level measured in ohms. They are also categorized by their body materials, such as thermoplastic and glass ceramic. Furthermore, they are divided by their mounting type and are referred to as non-resettable surface mount or board mount fuses. These fuses offer varied maximum and minimum operating temperatures. Consider these attributes when choosing the correct fuse type.

What are the Uses of Non-resettable Fuses?

These fuses are ideal for devices where overheating occurs, and the power supply is shut down prior to any damage to components. They are ideal for electric motors and printed circuit boards.

Why Choose Us?

Enrgtech offers a vast collection of a wide range of fuses. They are available in various designs, ratings, and resistance levels. We ensure all the products are in exact condition with effective delivery services within the UK and worldwide. Visit our website to get your required products at cost-effective prices from the comfort of your home.


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3404.0020.11, Schurter
438 In Stock
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10 +
£ 0.53
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3412.0121.22, Schurter
38 In Stock
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£ 0.60
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£ 0.51
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3404.0048.11, Schurter
488 In Stock
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£ 0.69
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£ 0.56
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3403.0289.23, Schurter
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£ 2064.08
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3413.0512.11, Schurter
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£ 0.44
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£ 0.42
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£ 0.41
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SF-2410HI400T-2, Bourns
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1000 +
£ 0.42
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3-103-122, Schurter
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£ 2.48
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252-2167, RS PRO
1098 In Stock
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£ 0.16
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252-2171, RS PRO
2598 In Stock
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£ 0.16
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252-2203, RS PRO
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£ 0.098
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252-2137, RS PRO
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£ 0.13
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SF-2410HI350T-2, Bourns
1998 In Stock
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1000 +
£ 0.42
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7010.7130.13, Schurter
338 In Stock
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£ 1.08
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£ 1.01
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SR-5-1-6A-BK, Eaton
398 In Stock
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£ 0.43
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252-2201, RS PRO
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252-2122, RS PRO
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£ 0.064
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252-2124, RS PRO
3998 In Stock
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252-2127, RS PRO
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252-2132, RS PRO
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252-2140, RS PRO
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252-2147, RS PRO
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252-2149, RS PRO
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252-2155, RS PRO
3748 In Stock
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252-2160, RS PRO
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252-2161, RS PRO
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New Items
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SF-1206F700M-2, Bourns

SF-1206F700M-2, Bourns

The Bourns SF-1206F-M series fast acting thin film SMD Fuse are designed with thin film chip for overcurrent protection. These thin film fuses feature a miniature footprint, UL 248-14 listing, and surface mount packaging for automated assembly. The fast acting fuses are ideal for battery chargers, digital cameras, disk drives, LCD monitors, and cell phones. Operating temperature range from -55°C to 125°C Halogen free
New items
7010.9870.63, Schurter

7010.9870.63, Schurter

Schurter Quick Acting Miniature Fuses Schurter quick acting high breaking capacity miniature fuses that can be directly soldered to printed circuit boards. Particularly suited to applications such as telecoms, industrial electronics and household appliances. Fuses with a high breaking capacity The SMD base is mounted on PCBs by IR reflow or vapour phase The ’pin-type’ mounting socket is wave soldered Ceramic body, brass; tin-plated cap Approvals UL; CSA Surface Mount Technology Surface mount fuses offer considerable space (and time) saving features for low voltage applications. The FF types are ideal for protection of high value silicon IC's e.g. alarm systems, audio/visual equipment, computer boards, portable telephones, power supplies, medical apparatus etc.
New items
7010.6380.13, Schurter

7010.6380.13, Schurter

172321 series fuses Axial component fuses designed for direct solder mounting on PCB. Fast-acting 2.3 x 8 mm fuses. High breaking capacity. Ceramic tube with clear insulating sleeve. Max. voltage: 125 Vac / dc Breaking capacity: 300 A at 125 Vac or Vdc L / R ≤ 1 ms Weight: 0.32 g Standards NF C 93-435 (HA 81), CCQ, GAM T1, LNZ listed PCB Wire Ended All fuses have Thermoplaste Polyamide bodies
New items
3700100000, Littelfuse

3700100000, Littelfuse

High Performance, Series TR5 For automatic insertion, can be directly soldered or plugged (use fuseholder stock no. 110-7900 )
New items
37011000000, Littelfuse

37011000000, Littelfuse

High Performance, Series TR5 For automatic insertion, can be directly soldered or plugged (use fuseholder stock no. 110-7900 )
New items
1025HC50-R, Eaton Bussmann Series

1025HC50-R, Eaton Bussmann Series

Fast-acting high current fuse Compact design utilizes less board space 20 A to 50 A current ratings Ceramic tube, silver plated brass end cap construction Halogen free Server and desktop power supplies Gaming console systems Voltage Regulator Module (VRM) Storage system power Base station power supplies Basic power supplies LED and general lighting Test equipment
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764-9532, RS Pro

764-9532, RS Pro

RS Time Lag Axial Fuses RS time lag axial fuses are a convenient and reliable solution to a vast array of application requirements. PCB Wire Ended All fuses have Thermoplaste Polyamide bodies
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767-5068, RS Pro

767-5068, RS Pro

RS Slow Blow TE5 Fuses RS slow blow TE5 fuses are a convenient and reliable solution to a vast array of application requirements. Base and cap in black thermoplastic, UL 94-V0 Round pins in tin-plated copper Vibration MIL-STD-202G, Method 201 (10-55Hz x 3 axis / no load) Salt spray MIL-STD-202G, Method 101, Test Condition B (48 hours) Insulation resistance MIL-STD-202G, Method 302, Test Condition A (After Opening) 10,000 ohms minimum Resistance to solder heat MIL-STD-202G, Material 210, Test Condition B (10 sec @ 260°C) Thermal shock MIL-STD-202G, Method 107, Test Condition B (-65°C to +125°C) PCB Wire Ended All fuses have Thermoplaste Polyamide bodies
New items
3410.0029.01, Schurter

3410.0029.01, Schurter

SMD Fuse Suitable for all SMD soldering processes Ceramic body, tin-lead coated nickel caps Approvals UL, Recognised, CSA Certified (up to 3A) Surface Mount Technology Surface mount fuses offer considerable space (and time) saving features for low voltage applications. The FF types are ideal for protection of high value silicon IC's e.g. alarm systems, audio/visual equipment, computer boards, portable telephones, power supplies, medical apparatus etc.
New items
7010.6360.13, Schurter

7010.6360.13, Schurter

172321 series fuses Axial component fuses designed for direct solder mounting on PCB. Fast-acting 2.3 x 8 mm fuses. High breaking capacity. Ceramic tube with clear insulating sleeve. Max. voltage: 125 Vac / dc Breaking capacity: 300 A at 125 Vac or Vdc L / R ≤ 1 ms Weight: 0.32 g Standards NF C 93-435 (HA 81), CCQ, GAM T1, LNZ listed PCB Wire Ended All fuses have Thermoplaste Polyamide bodies
New items
0034.6012, Schurter

0034.6012, Schurter

Microfuse fuses - MSF and MST series Miniature fuses for soldering onto PCB or carriers. Fast-acting (MSF) or time-delay (MST) fuses. Low breaking capacity. Rated voltage: 250 Vac Breaking capacity: 35 A (except for fast-acting 4 and 5 A:  10 x In) Resistance to soldering heat: +260 °C / 10 s, in accordance with IEC 68-2-20 Operating temperature: -40°C to +85°C Pitch: 5.08 mm Standards EN 60127, IEC 127-3//3, DIN-VDE 0820 PCB Wire Ended All fuses have Thermoplaste Polyamide bodies
New items
7100.1073.13, Schurter

7100.1073.13, Schurter

FRT250F and FRT250T series fuses Miniature fuses for soldering onto PCB. Black UL 94-V0 self-extinguishing thermoplastic enclosure. Fast-acting (FRT250F) or time-delayed (FRT250T) fuses with low breaking capacity. Rated voltage: 250 Vac Breaking capacity: 100 A Soldering temp. resistance: +260 °C / 10 s, in acc. with IEC 68-2-20 Operating temperature: -40°C to +85°C Pitch: 7.5 mm Pin diameter: 0.6 mm Standards IEC 127-4//1 PCB Wire Ended All fuses have Thermoplaste Polyamide bodies
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Non Resettable Fuses and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Non Resettable Fuses or any other product.
This depends on the Non Resettable Fuses individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Non Resettable Fuses and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Non Resettable Fuses.
Yes. We keep updating our stock frequently and if a product like Non Resettable Fuses is not in stock then we will let you know.