# Mersen L1014563 Ultra-Fast Full-Range Cylindrical Fuse gR 690VAC 10x38mm 1A

**URL:** https://aio.lv/en/product--mersen-l1014563--12475888
**Data updated:** 2026-05-19 13:45 (EEST)
**Category:** Furniture Accessories
**Manufacturer:** Mersen
**Manufacturer code:** L1014563
**EAN:** 3605340500875
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mersen-l1014563--12475888

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The Mersen L1014563 is an ultra-fast, full-range cylindrical fuse designed for reliable circuit protection. With a 10x38mm form factor, it is rated for 690VAC and 1A current. This gR class fuse provides high-speed protection for sensitive power electronics and semiconductor devices, ensuring safety and performance in demanding industrial electrical applications.

## Long description

The Mersen L1014563 is a high-performance, ultra-fast, full-range cylindrical fuse engineered to provide superior circuit protection for sensitive electrical systems. Designed with a compact 10x38mm form factor, this fuse is specifically optimized for applications requiring rapid response times to prevent damage to power electronics and semiconductor components. It operates effectively at a rated voltage of 690VAC with a current capacity of 1A, making it a reliable choice for demanding industrial environments where precision and safety are paramount.
Advantages
This fuse offers exceptional reliability due to its gR class rating, which ensures both overload and short-circuit protection across the entire operating range. Its ultra-fast acting characteristics minimize the let-through energy during fault conditions, thereby extending the lifespan of expensive power semiconductors and sensitive control equipment. The robust construction and standardized cylindrical design allow for easy integration into existing fuse holders, ensuring consistent performance and simplified maintenance in complex electrical installations.
Suitable for
Semiconductor protection
Power electronics modules
Industrial control panels
Variable frequency drives
Rectifier circuits
This fuse may not be suitable for general-purpose residential electrical circuits or high-current power distribution lines where standard gG or aM fuses are typically required. It is specifically engineered for sensitive electronic protection and may not provide the necessary time-delay characteristics required for motor starting or high-inrush current applications.
Key specifications
Dimensions: 10x38mm
Rated voltage: 690VAC
Rated current: 1A
Fuse class: gR
Type: Ultra-fast, full-range
To use this fuse, ensure that the circuit is completely de-energized before installation. Insert the cylindrical fuse into a compatible 10x38mm fuse holder or disconnect switch, ensuring that the contacts are clean and secure. Once properly seated, the circuit can be re-energized. If the fuse blows, it must be replaced with an identical unit to maintain the safety and integrity of the protected equipment.
What to consider before purchase
Verify the voltage and current requirements of your specific circuit
Ensure compatibility with your existing 10x38mm fuse holder
Confirm that the gR class is appropriate for your semiconductor protection needs
Check the environmental conditions of the installation site
Usage recommendations: Always replace a blown fuse with one of the exact same rating and class. Do not attempt to repair or bypass the fuse, as this can lead to catastrophic equipment failure or fire hazards. Regular inspection of fuse holders for signs of oxidation or heat damage is recommended to ensure optimal electrical contact.

## FAQ

### How much does the Mersen L1014563 Ultra-Fast Cylindrical Fuse 1A cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 20.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Mersen products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Mersen service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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