MERSEN Fusible NH NH1 250A 500V AC gG/gL

The MERSEN NH fuse link, size NH1, rated at 250A and 500V AC, is a high-performance blade contact fuse designed for industrial applications. It provides reliable protection for cables, conductors, and equipment against overloads and short circuits, complying with IEC 60269-2 standard.

Advantages

High breaking capacity of 120 kA at 500V AC ensures safety in demanding environments. Silver-plated copper contacts and ceramic body guarantee durability and low power dissipation (25 W at rated current). Top indicator allows quick visual identification of blown fuses.

Suitable for

• Industrial electrical panels and switchgear
• Protection of cables and conductors in power distribution
• Equipment protection in manufacturing and process industries

Key specifications

• Product Type: Fuse Link
• Fuse Standard: NH (Low-Voltage High-Power)
• Fuse Size: NH1 (Size 1)
• Rated Current: 250 A
• Rated Voltage (AC): 500 V AC
• Operating Characteristic: gG/gL (General Purpose)
• Rated Breaking Capacity: 120 kA at 500V AC
• Mounting Type: Blade Contact
• Indicator Type: Top Indicator
• Body Material: Ceramic
• Contact Material: Silver-plated Copper
• Power Dissipation: 25 W
• Voltage Drop: 15 mV
• Operating Temperature: -5 °C to +40 °C
• Storage Temperature: -20 °C to +50 °C

Recommendations

For optimal performance, ensure proper fuse holder compatibility and follow manufacturer guidelines for installation and replacement. This fuse is suitable for use in NH fuse bases and switch disconnectors.