Siemens SITOR Fuse Link with Blade Contacts NH000 20A gS – 3NE18140
The Siemens 3NE18140 is a SITOR semiconductor protection fuse link with blade contacts, designed in NH000 size for reliable protection of sensitive power semiconductor devices such as thyristors, diodes, converters, UPS systems, soft starters, and variable frequency drives (VFDs). This ultra-fast acting fuse ensures rapid interruption of fault currents, minimizing damage to critical electronic components in industrial power systems.
It is widely used in industrial automation systems, converter panels, drive systems, and power electronic applications, where high-speed semiconductor protection is essential.
Key Features:
• Siemens SITOR semiconductor protection fuse
• Part Number: 3NE18140
• NH000 fuse size with blade contacts
• Rated current: 20A
• Utilization category: gS (full-range semiconductor protection)
• Rated voltage: 690V AC / 250V DC
• Ultra-fast acting fuse characteristic
• Front-mounted fuse status indicator
• High short-circuit breaking capacity: 100kA
• Silver-plated blade contacts for reliable conductivity
• Suitable for mounting in NH fuse bases and switch disconnectors
• Compact DIN standard construction
• High thermal and electrical endurance
• Designed for semiconductor and power electronic protection
|
Parameter |
Specification |
|
Product Series |
Siemens SITOR |
|
Part Number |
3NE18140 |
|
Product Type |
Semiconductor Protection Fuse Link |
|
Fuse Size |
NH000 |
|
Rated Current |
20A |
|
Utilization Category |
gS |
|
Rated Voltage AC |
690V AC |
|
Rated Voltage DC |
250V DC |
|
Breaking Capacity |
100kA |
|
Contact Type |
Blade contacts |
|
Indicator Type |
Front indicator |
|
Fuse Design |
LV HRC fuse link |
|
Mounting Type |
NH fuse base mounting |
|
Power Loss |
5W |
|
Net Weight |
Approx. 134g |
|
Operating Temperature |
-20°C to +50°C |
|
Application |
VFDs, UPS systems, converters, semiconductor protection |
|
Standard Compliance |
IEC / EN 60269-1 |
No reviews yet.