Siemens SITOR Fuse Link with Slotted Blade Contacts NH2 630A aR – 3NE3336
The Siemens 3NE3336 is a SITOR semiconductor protection fuse link designed in NH2 size for reliable protection of sensitive power semiconductor devices such as thyristors, diodes, converters, UPS systems, soft starters, and VFD drives. It features an ultra-fast acting (aR) characteristic, ensuring rapid interruption of fault currents to protect expensive electronic equipment from damage.
This fuse is widely used in industrial power electronics, drive systems, and automation panels, where high-speed and high-energy fault protection is critical.
Key Features:
• Siemens SITOR semiconductor fuse link
• Part Number: 3NE3336
• NH2 size with slotted blade contacts
• Rated current: 630A
• Utilization category: aR (ultra-fast semiconductor protection)
• Rated voltage: 1000V AC
• High breaking capacity: 100kA
• Front indicator for fuse status monitoring
• Silver-plated blade contacts for reliable conductivity
• Designed for NH fuse base and switch disconnector mounting
• Low power loss and high thermal stability
• Complies with IEC 60269-1 / IEC 60269-4 standards
|
Parameter |
Specification |
|
Product Series |
Siemens SITOR |
|
Part Number |
3NE3336 |
|
Product Type |
Semiconductor Protection Fuse Link |
|
Fuse Size |
NH2 |
|
Rated Current |
630A |
|
Utilization Category |
aR |
|
Rated Voltage |
1000V AC |
|
Breaking Capacity |
100kA |
|
Contact Type |
Slotted blade contacts |
|
Indicator Type |
Front indicator |
|
Mounting Type |
NH fuse base / switch disconnector |
|
Mounting Dimension |
110 mm |
|
Power Loss |
~100W |
|
Net Weight |
~0.79 kg |
|
Operating Temperature |
-20°C to +50°C |
|
Application |
Semiconductor protection, VFDs, UPS systems, converters |
|
Standard Compliance |
IEC 60269 |
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