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Siemens 250A Centred Tag Fuse NH1 500V AC 3NA7144
Specifications
| Country of Origin | Greece |
|---|---|
| Voltage | 500V ac |
| Brand | Siemens |
| Length | 68.5mm |
| Model | 3NA7144 |
| Width | 46.6mm |
| Overall Length | 133.9mm |
| Current Rating | 250A |
| Series | 3NA |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -5°C |
| Fuse Type | HRC |
| Fuse Size | NH1 |
| Application Category | gG |
| Tag Type | Blade |
Key Features
- Current rating of 250A suitable for moderate power circuits.
- Fuse size NH1 with centred tag design for secure mounting.
- Blade type tag ensures reliable electrical connection.
- Temperature operating range from -5°C to 60°C for versatile environments.
- Silver-plated switching contact enhances corrosion resistance and conductivity.
- Vertical mounting position recommended for optimal performance.
- Protection class IP20 when connected with conductors.
Product Description
Siemens 3NA7144 Centred Tag Fuse NH1 250A 500V AC is an industrial-grade high rupture capacity fuse designed for electrical circuit protection. It features a centred tag and blade-type contact for secure and reliable connection in electrical systems operating at up to 500 volts AC. The fuse is constructed with non-corroding silver-plated switching contacts, ensuring durability and consistent electrical performance.
Designed primarily for vertical mounting, the fuse offers a protection class of IP20 when conductors are connected, providing essential safety against accidental contact. Its operating temperature range from -5°C to 60°C allows use in diverse environments including industrial, commercial, and electrical automation settings.
This NH1 size fuse measures 133.9mm in overall length, 68.5mm in length (excluding tags), and 46.6mm in width, fitting standard fuse holders and panel designs. Its series 3NA design adheres to Siemens quality and engineering standards, supporting safe interrupt rating and fast response to overcurrent events.
Applications include protection of electrical circuits in industrial automation, manufacturing machinery, HVAC control, and commercial electrical distribution systems. This fuse safeguards components and wiring from overload and short circuit damage.
Current rating of 250A suitable for moderate power circuits. Fuse size NH1 with centred tag design for secure mounting. Rated voltage of 500V AC permits safe operation in AC circuits. Blade type tag ensures reliable electrical connection.
Operating temperature from -5°C to 60°C for versatile environmental conditions. Silver-plated switching contact improves corrosion resistance. Protection class IP20 with connected conductors. Vertical mounting recommended for optimal functionality.
Set includes one Siemens 3NA7144 centred Tag Fuse ready for installation. Explore our extensive range of circuit protection solutions including fuses and breakers for your industrial and commercial applications at EnvMart.
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Frequently Asked Questions
The current rating of this fuse is 250A, making it suitable for moderate power circuits.
This model can handle a maximum voltage of 500V AC, allowing for safe operation in AC circuits.
The overall length of the fuse is 133.9mm, with a length of 68.5mm (excluding tags) and a width of 46.6mm.
The fuse is designed for vertical mounting to ensure optimal performance.
The operating temperature range for this model is from -5°C to 60°C, making it suitable for various environments.
This fuse features a blade type tag, which ensures a reliable electrical connection.
The fuse has a protection class of IP20 when connected with conductors, providing essential safety against accidental contact.
The fuse size is NH1, which fits standard fuse holders and panel designs.
This fuse is suitable for protecting electrical circuits in industrial automation, manufacturing machinery, HVAC control, and commercial electrical distribution systems.
The switching contacts of this fuse are silver-plated, enhancing corrosion resistance and conductivity.
This model is classified as a high rupture capacity (HRC) fuse, designed for electrical circuit protection.
The country of origin for this fuse is Greece.
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