Siemens 3NE4122 Semiconductor Protection Fuse – 3NE4 Type, 1000 V, 125 A

The Siemens 3NE4122 is a semiconductor protection fuse from the 3NE4 type range, designed for dependable protection of sensitive semiconductor components used in industrial power-electronic applications. With a rated voltage of 1000 V and rated current of 125 A, it is suitable for high-voltage applications where reliable fault protection is essential.

Semiconductor components such as thyristors, diodes, rectifiers, power converters, soft starters and industrial drive equipment can be sensitive to excessive current and short-circuit conditions. A dedicated semiconductor protection fuse helps interrupt fault currents rapidly and supports the protection of connected power-electronic equipment.

The Siemens 3NE4122 can be considered for power conversion equipment, industrial rectifiers, motor-control systems, automation machinery, OEM equipment and electrical panels. It is a suitable option for applications where dedicated semiconductor protection is required as part of the overall electrical protection system.

For proper application, the fuse should be selected according to the complete system requirements, including operating voltage, current, prospective short-circuit current, semiconductor characteristics, installation conditions and required coordination with the protected equipment.

Key Features

• Siemens 3NE4122 semiconductor protection fuse
• Siemens 3NE4 type fuse range
• Rated voltage: 1000 V
• Rated current: 125 A
• Designed for semiconductor protection
• Suitable for high-voltage industrial applications
• Helps protect sensitive semiconductor components
• Suitable for power-electronic equipment
• Useful for rectifiers and power converters
• Suitable for OEM machinery and electrical panels
• Siemens industrial circuit protection solution

Applications

The Siemens 3NE4122 can be considered for:

• Semiconductor protection systems
• High-voltage power converters
• Industrial rectifiers
• Thyristor applications
• Diode protection
• Soft starter systems
• Industrial drive equipment
• Motor-control systems
• Power-electronic machinery
• Automation equipment
• OEM electrical systems
• Industrial control and power panels

Suitable for Customers Across India

SB Smart supplies industrial electrical products to customers across India, including Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Ghaziabad, Manesar, Mumbai, Pune, Ahmedabad, Vadodara, Surat, Jaipur, Chandigarh, Ludhiana, Hyderabad, Bengaluru/Bangalore, Chennai, Kolkata, Indore, Lucknow and other major industrial cities and locations.

The Siemens 3NE4122 can be considered by OEMs, panel builders, electrical contractors, automation integrators, system integrators, machinery manufacturers and industrial maintenance teams requiring reliable semiconductor protection solutions.

FAQs

1. What is Siemens 3NE4122 used for?
The Siemens 3NE4122 is a semiconductor protection fuse designed to protect suitable power semiconductor components against excessive current and short-circuit conditions.

2. What is the rated voltage of 3NE4122?
The specified rated voltage is 1000 V.

3. What is the rated current of Siemens 3NE4122?
The specified rated current is 125 A.

4. What type of fuse is 3NE4122?
It is a 3NE4 type semiconductor protection fuse from Siemens.

5. Where can a 125 A semiconductor protection fuse be used?
It can be considered for suitable high-voltage power converters, industrial rectifiers, drive systems, thyristor equipment and other industrial power-electronic applications.

6. How should Siemens 3NE4122 be selected?
Selection should consider the operating voltage and current, protected semiconductor device, prospective fault current, installation conditions and required coordination with the equipment.

7. Can SB Smart supply Siemens 3NE4122 across India?
Yes, SB Smart caters to industrial electrical product requirements across major cities and industrial locations throughout India, subject to product availability and order requirements.