Siemens LV HRC Fuse element, live grip lugs, NH2, 500V, 250A

Product Description

The Siemens 3NA3244 is a premium Low Voltage High Rupturing Capacity (LV HRC) fuse element engineered for demanding industrial applications. This NH2 size fuse delivers reliable protection with a 250A rated current and gG utilization category, providing comprehensive cable and line protection in critical power distribution systems.

Key Features:

• Integrated front indicator with red signal for immediate visual fuse status identification
• Live grip lugs ensure safe handling and secure connection
• Silver-plated switching contacts prevent corrosion and maintain optimal conductivity
• Preferably vertical mounting position for optimal performance
• High breaking capacity of 120kA for superior short-circuit protection

Technical Specifications:

• Fuse Size: NH2
• Rated Current (In): 250 A
• Utilization Category: gG (general purpose, full-range breaking capacity)
• Rated AC Voltage (Un AC): 500 V
• Rated DC Voltage (Un DC): 440 V
• Breaking Capacity: 120 kA
• Frequency: 50 Hz
• Net Weight: 0.464 kg
• Dimensions: 159.00 x 152.00 x 75.00 mm
• Minimum Order Quantity: 3 units

Standards & Compliance:

• IEC 60269-1, IEC 60269-2
• EN 60269-1
• DIN VDE 0636, DIN VDE 0636-2
• CSA 22.2 No. 106
• RoHS compliant since 01.06.2006
• CE marked

Application Areas:

• Industrial power distribution systems
• Functional building electrical installations
• Power supply company infrastructure
• Selective line and system protection
• High-current cable protection
• Motor circuit protection

Product Benefits:

• Part of the trusted SENTRON 3NA3 series for professional circuit protection
• Red front-face indicator provides instant visual confirmation when the fuse operates
• Higher short-circuit current handling compared to miniature circuit breakers
• Better current limitation capabilities for enhanced equipment protection
• Reliable disconnection in overload and short-circuit conditions

Operating Class:

• gL/gG: Full-range line protection and full-range device protection
• Suitable for both cable protection and general equipment protection applications

Package Information:

• Commodity Code: 85361090
• EAN: 4001869056302
• Country of Origin: Greece
• Standard Lead Time: 3 working days
• Product Class: A - Standard returnable product

Download existing graphical data for this product:

• Technical Data Sheet (PDF)
• Product Support Page
• 3D CAD Models - Siemens PARTcommunity
• Complete Product Family Documentation
• NH Fuse Systems Configuration Manual
• Operating Instructions Manual