Pronutec NH Fuse switch disconnector, 3-pole, M12, 630A

Product Overview

The Pronutec Horizontal Switch Disconnector BTHC, NH3-630A is a heavy-duty low-voltage isolating device designed for use in industrial power distribution panels. Built for NH3 fuse links, it supports high current and fault levels, providing safe and reliable manual disconnection for 400 V AC systems in demanding environments.

Key Features

• Horizontal switch disconnector for NH3 fuse size
• Rated current: 630 A
• Rated voltage: 400 V AC
• Impulse withstand voltage: 12 kV
• Short-circuit current rating: 80 kA
• Utilisation category: AC-22B
• Designed for horizontal panel mounting

Technical Specifications

• Rated Insulation Voltage (Ui): 1000 V
• Frequency: 40–60 Hz
• Thermal Current with Fuse: 630 A
• Thermal Current with Knife: 800 A
• Power Loss: 48 W
• Weight: 7.56 kg

Applications

Ideal for low-voltage distribution boards and industrial switchgear where high current isolation and NH3 fuse protection are required. Suitable for industrial installations handling mixed resistive and inductive loads.