Siemens Sentron Cylindrical fuse holder, 14x51mm, 3-pole, 50A, 690VAC Part number 3NW7131

Product Overview

The Siemens SENTRON cylindrical fuse-holder (SKU: 3NW7131) is a 3-pole fuse block designed for use with 14×51 mm cylindrical fuses. It provides high-performance protection in low-voltage distribution systems with a rated current of 50 A and rated voltage up to 690 V AC.

Key Features

• 3-pole fuse holder compatible with 14×51 mm cylindrical fuses
• Rated current: 50 A
• Rated operational voltage: 690 V AC
• Designed for use in low-voltage switchgear and distribution panels
• Compact dimensions and straightforward replacement of fuse links

Technical Specifications

• Product Type: Cylindrical fuse holder
• Article Number: 3NW7131
• Number of Poles: 3
• Fuse Size Compatibility: 14×51 mm
• Rated Current (I_n): 50 A
• Rated Voltage (U_n): 690 V AC
• Degree of Protection: IP20
• Dimensions (H × W × D): approx. 90 × 81 × 70 mm
• Net Weight (approx.): 0.306 kg

Compliance & Certifications

• RoHS compliant
• WEEE take-back obligation applies

Applications

Ideal for protection of low-voltage circuits in industrial and commercial distribution systems. The fuse holder enables safe integration of 14×51 mm cylindrical fuses at up to 50 A/690 V AC, suitable for switchgear, bus bars, and panel installations requiring reliable over-current protection.