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| Country of Origin | Greece |
|---|---|
| Voltage | 500V ac |
| Brand | Siemens |
| Length | 75mm |
| Model | 3NA3142 |
| Width | 47mm |
| Overall Length | 137mm |
| Current Rating | 224A |
| Series | 3NA3 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -5°C |
| Fuse Type | NH |
| Fuse Size | NH1 |
| Application Category | gG |
| Tag Type | Blade |
Siemens 3NA3142 NH Fuse NH1 224A 500V AC is an industrial-grade electrical fuse designed for high rupture capacity applications in electrical power systems. This NH fuse link belongs to the trusted Siemens 3NA3 series and is intended for effective cable and line protection with operating class gG.
The device features a blade type tag fuse with a front-face red indicator, which signals when the fuse has operated, ensuring easy identification of disconnection. With a current rating of 224 amperes and voltage rating of 500 volts AC, it provides reliable selective line and system protection in various industrial, power supply, and building functional installations.
Built to operate safely in a temperature range from -5°C to 60°C, the fuse dimensions are 75 mm in length, 137 mm overall length, and 47 mm wide, making it suitable for standard NH1 fuse holders. Compliance with international standards IEC 60269-1, IEC 60269-2, and EN 60269-1 along with approvals such as DIN VDE 0636 and CSA 22.2 No.106 ensures compatibility and quality.
This NH fuse is a critical component for electrical installations demanding high rupture capacity and dependable circuit interruption capabilities. Its robust design enhances safety in industrial, commercial, and power supply applications.
Provides high-quality cable and line protection with operating class gG. Features a clear front indicator for fuse operation status. Blade tag fuse type for easy installation and reliable contacts. Conforms to international electrical standards and approvals.
Rated for 224A current and 500V AC voltage operational use. Designed for temperature environments from -5°C to 60°C. Compact dimensions facilitate integration into NH1 fuse holders. Explore more Siemens electrical products and NH Fuses on EnvMart for enhanced circuit protection and system reliability.
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