Mersen 1B151.000000 NH Fuse Size 1 50A 500V AC gG/gL

The Mersen 1B151.000000 NH fuse is a high-performance, general-purpose fuse designed for cable and line protection in industrial and commercial electrical systems. With a rated current of 50 A and voltage of 500 V AC, this NH Size 1 fuse offers reliable overcurrent protection with a breaking capacity of 120 kA. It meets IEC 60269-2 standards and features a top indicator for quick visual identification of blown fuses.

Advantages

This NH fuse provides excellent current limitation and high breaking capacity, ensuring safety and equipment protection. Its ceramic body and silver-plated copper contacts guarantee durability and low power dissipation of 6.5 W at rated current. The top indicator simplifies maintenance by clearly showing fuse status.

Suitable for

• Cable and line protection in distribution boards
• Industrial control panels
• Commercial electrical installations
• Motor protection (with appropriate coordination)

Key specifications

• Fuse Type: NH Fuse
• Operating Class: gG/gL (General Purpose)
• Rated Current: 50 A
• Rated Voltage: 500 V AC
• Fuse Size: NH Size 1
• Breaking Capacity: 120 kA
• Indicator Type: Top Indicator
• Standards: IEC 60269-2
• Mounting: Blade Contacts
• Body Material: Ceramic
• Contact Material: Silver-plated Copper
• Power Dissipation: 6.5 W
• Frequency: 50/60 Hz
• Operating Temperature: -5°C to +40°C

Recommendations

For optimal performance, ensure proper coordination with upstream and downstream devices. Always replace with the same type and rating. Suitable for use in environments with ambient temperatures within the specified range.