The Siemens SENTRON SITOR Semiconductor Protection Fuse – 3NE80221 is a high-speed fuse designed for reliable protection of power semiconductor devices such as thyristors, diodes, and IGBT-based power electronic systems. Part of the Siemens SITOR fuse range, this fuse provides fast fault interruption to protect sensitive semiconductor components against short-circuit currents.
The 3NE80221 is a 690V AC semiconductor protection fuse designed for industrial applications where fast and dependable protection is required. It is suitable for use in power converters, drives, UPS systems, industrial rectifiers, and other power electronic equipment.
With Siemens SITOR technology, this fuse offers reliable performance in demanding industrial environments and helps improve the operational safety and service life of semiconductor-based equipment. It is widely used by OEM manufacturers, panel builders, automation industries, and electrical professionals.
At SB Smart, we supply genuine Siemens SENTRON SITOR fuses, protection devices, and industrial electrical products with competitive pricing, technical support, bulk order assistance, and fast PAN India delivery.
Genuine Siemens SENTRON SITOR semiconductor fuse
Designed for semiconductor protection applications
Suitable for 690V AC systems
Fast fault clearing capability
Protects power electronic components
Reliable short-circuit protection
Suitable for industrial power conversion systems
High-performance Siemens fuse technology
Designed for demanding industrial environments
Variable Frequency Drives (VFD)
Power Converters
Soft Starters
UPS Systems
Industrial Rectifiers
Inverter Systems
Semiconductor Power Modules
Renewable Energy Systems
Industrial Automation Equipment
Electrical Control Panels
Protects expensive semiconductor components
Reduces equipment damage during faults
Provides fast response during short circuits
Improves system reliability
Increases equipment service life
Helps minimize downtime
Suitable for critical industrial applications
Ensures dependable protection performance
100% Genuine Siemens Products
Competitive Industrial Pricing
Expert Technical Support
Bulk Order Assistance
Fast PAN India Delivery
Secure Packaging
Trusted Industrial Electrical Supplier
GST Invoice Available
Responsive Customer Support
The Siemens 3NE80221 is a SITOR semiconductor protection fuse used to protect power semiconductor devices from short-circuit faults in industrial power electronics applications.
No. It is a semiconductor protection fuse designed for fast protection of semiconductor components, unlike standard power distribution fuses.
They are commonly used in drives, converters, UPS systems, rectifiers, and industrial power electronic equipment.
Semiconductor devices are highly sensitive to short-circuit currents. These special fuses provide very fast interruption to prevent damage.
Yes. SB Smart supplies genuine Siemens SITOR semiconductor protection products with competitive pricing and industrial support.
|
Parameter |
Specification |
|
Product Series |
Siemens SITOR |
|
Part Number |
3NE80221 |
|
Product Type |
Semiconductor Protection Fuse Link |
|
Fuse Size |
NH00 |
|
Rated Current |
125A |
|
Utilization Category |
aR |
|
Rated Voltage |
690V AC / 440V DC |
|
Breaking Capacity |
100kA |
|
Contact Type |
Blade contacts |
|
Indicator Type |
Front indicator |
|
Mounting Type |
NH fuse base / switch disconnector |
|
Power Loss |
~28W |
|
Application |
VFDs, UPS systems, converters, semiconductor protection |
|
Standard Compliance |
IEC 60269 |
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