3NP1143-1BC10

Siemens 3NP1143-1BC10 available at EU Automation. Get in touch today for a quick price.

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The Siemens 3NP1143-1BC10 is a robust and reliable fuse switch disconnector designed for use in low-voltage electrical distribution systems. This 3-pole device is part of the SENTRON family and is engineered to provide efficient and safe disconnection of electrical circuits. It is suitable for use with the 60 mm 8US busbar system and accommodates NH0 and NH1 fuse links, making it versatile for various applications.

With a rated operational current of 250 A at 35 °C, the 3NP1143-1BC10 ensures optimal performance under demanding conditions. It features a flat terminal connection and is designed with a cover level of 32/70 mm, providing enhanced safety and ease of installation. The device boasts a high mechanical service life of up to 1,600 switching cycles, ensuring long-term reliability.

The 3NP1143-1BC10 offers a high degree of protection with an IP40 rating when closed with a cover, safeguarding against dust and accidental contact. It is engineered to withstand a rated insulation voltage of 690 V and a surge voltage resistance of 8 kV, making it suitable for a wide range of industrial environments.

This fuse switch disconnector is an ideal choice for applications requiring dependable circuit protection and disconnection, ensuring the safety and efficiency of electrical systems.

What is the primary function of this Siemens part?

The Siemens 3NP1143-1BC10 is a fuse switch disconnector designed for use in low-voltage power distribution systems, providing safe disconnection and protection against overcurrents.

What are the key specifications of this part?

This part is a 3-pole fuse switch disconnector with a rated operational current of 250 A and a rated insulation voltage of 690 V. It is suitable for use with NH0 and NH1 fuse links.

What type of applications is this part suitable for?

The Siemens 3NP1143-1BC10 is suitable for industrial and infrastructure applications where reliable power distribution and protection are required.

What are the dimensions of this part?

The dimensions of the Siemens 3NP1143-1BC10 are 306 mm in height, 183.7 mm in width, and 142.2 mm in depth.

What is the environmental operating temperature range for this part?

The operating temperature range for this part is from -25 °C to 55 °C.

Does this part include any monitoring features?

Yes, the Siemens 3NP1143-1BC10 includes phase failure monitoring and fuse monitoring features.

What is the protection class of this part?

The protection class of the Siemens 3NP1143-1BC10 is IP40 with a closed switch and cover, and IP30 without a cover.

What type of connection technology does this part use?

This part uses flat terminal connection technology for the main current circuit.

Is this part suitable for use as a main switch?

No, the Siemens 3NP1143-1BC10 is not suitable for use as a main switch but is designed as a switch disconnector and safety switch.

What is the mechanical service life of this part?

The mechanical service life of the Siemens 3NP1143-1BC10 is typically 1,600 switching cycles.

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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