# DF Electric 421040 Cartridge Fuses 40A 500V - Industrial Protection

Protect your electrical circuits with the reliable \*\*DF Electric 421040 cartridge fuses\*\*. Designed for use in industrial and residential applications, these fuses provide essential protection against overloads and short circuits. The \*\*DF Electric 421040\*\* fuses, manufactured in Spain, are built to the highest standards, ensuring optimal performance and safety for your electrical systems. With a 40A current rating and a 500V voltage rating, these fuses are a dependable choice for various electrical needs.

These \*\*421040 cartridge fuses\*\* feature an IEC 269-2-1 and UNE 21.103 certification, assuring high-quality performance and reliability. The 14 x 51 NF C 63-210 design ensures compatibility with a wide range of electrical systems. The breaking capacity is I1=120Ka, offering robust circuit interruption capabilities. These fuses weigh approximately 30 grams each, making them easy to handle during installation. Perfect for electricians and DIY enthusiasts needing reliable circuit protection.

-   **40A Current Rating:** Provides precise protection for electrical circuits.
-   **500V Voltage Rating:** Ensures safe operation in various applications.
-   **IEC & UNE Certified:** Guarantees high-quality and reliable performance.
-   **14 x 51 mm Size:** Compatible with a wide range of electrical systems.
-   **I1=120Ka Breaking Capacity:** Safely interrupts circuits during faults.

Choose \*\*DF Electric 421040\*\* fuses for dependable protection and optimal performance in your industrial or automation systems. Trust in the quality and performance of these fuses to safeguard your electrical installations. For any assistance, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Ram Automations
- **Type:** Electrical Components > Fuses > Cartridge Fuses
- **Tags:** 40A fuses, 421040, 500V fuses, cartridge fuses, DF Electric, industrial fuses

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- DF Electric 421040 Cartridge Fuses 40A 500V - Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/df-electric-421040-fuses-40a)
> Updated: 2026-10-03