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Siemens 3NC1491 SITOR Fuse Switch - 14x51mm, Up to 50A, 690V AC

Siemens 3NC1491 SITOR fuse switch, 14x51mm, up to 50A, 690V AC.

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ManufacturerSiemens

Part number3NC1491

Type SITOR fuse switch

Fuse Size 14 x 51 mm

Max Current 50 A

Rated Voltage (Un AC) 690 V

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SITOR fuse switch 14x51mm fuse compatibility 50A maximum 690V AC rated Safe isolation Overcurrent protection Industrial grade

Product description

The Siemens 3NC1491 is a SITOR fuse switch designed for safe isolation and protection using 14x51mm fuse links. This unit supports fuse links rated up to 50 A and operates at a maximum AC voltage of 690 V. It offers a robust solution for securely housing and switching fuses in industrial environments.

This fuse switch is suitable for applications requiring higher current handling and reliable disconnection, such as in main power distribution, industrial machinery, and heavy-duty control systems. Its design ensures safe operation and compliance with safety standards.

Stanlo Automation, a veteran-owned supplier, offers the Siemens 3NC1491 SITOR fuse switch. We are dedicated to providing surplus industrial automation components, helping businesses maintain their operational continuity and achieve cost savings through reliable, quality parts.

Technical specifications

Type	SITOR fuse switch
Fuse Size	14 x 51 mm
Max Current	50 A
Rated Voltage (Un AC)	690 V
Function	Isolation and protection

Common applications

Power distribution

Industrial machinery

Heavy-duty control systems

Motor control centers

Electrical switchgear

Automation systems

Compatible systems

14x51mm industrial fuse links

Also known as

Siemens 14x51mm fuse holder 50A SITOR fuse switch 3NC1491 switch

Replaces / compatible with

This Siemens 3NC1491 SITOR fuse switch is designed for use with 14x51mm industrial fuse links. It is a component within Siemens' comprehensive SITOR protection product line.

Technical note

Expert tip

Ensure that the selected 14x51mm fuse link has a breaking capacity appropriate for the fault level of the circuit being protected by the 3NC1491.

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Frequently asked questions

What is the maximum current rating for the Siemens 3NC1491 fuse switch?

The Siemens 3NC1491 SITOR fuse switch is designed to accommodate industrial fuse links with a maximum rated current of up to 50 A. This allows for the protection of circuits with higher current demands.