Siemens SITOR Fuse Link with Blade Contacts NH00 125A aR – 3NE80221
The Siemens 3NE80221 is a SITOR semiconductor protection fuse link in NH00 size, designed for ultra-fast protection of power semiconductor devices such as diodes, thyristors, converters, UPS systems, soft starters, and VFD drives. It uses an aR utilization category, meaning it provides extremely fast short-circuit protection specifically for semiconductor circuits.
This fuse is widely used in industrial drive systems, automation panels, and power electronics installations, where precise and rapid fault clearing is essential to protect expensive equipment.
Key Features:
• Siemens SITOR semiconductor protection fuse link
• Part Number: 3NE80221
• NH00 size with blade contacts
• Rated current: 125A
• Utilization category: aR (ultra-fast semiconductor protection)
• Rated voltage: 690V AC / 440V DC
• High breaking capacity: 100kA
• Front indicator for fuse status monitoring
• Silver-plated blade contacts for reliable conductivity
• Suitable for NH fuse bases and switch disconnector mounting
• Designed for extremely fast fault interruption
• Complies with IEC 60269-1 / IEC 60269-4 standards
|
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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