Rittal SV NH Fuse-Switch Disconnector Module 9666.410, 250x450 mm, Sheet Steel, RAL 7035, 3-Pole, 630 A

In industrial power distribution panels, technicians often need a safe and compact way to isolate and protect outgoing circuits. The Rittal SV NH fuse-switch disconnector module 9666.410 mounts directly onto 60 mm busbar systems, providing a robust 3-pole disconnection point for NH fuses from size 00 to 3. Its sheet steel enclosure in light grey (RAL 7035) blends seamlessly into standard switchgear, while the 250 mm width and 450 mm height ensure compatibility with common compartment layouts. Rated for 630 A at 690 V AC, this module is built to handle demanding low-voltage distribution tasks.

Key specifications

• Model: SV 9666.410
• Dimensions (W x H x D): 250 x 450 x 130 mm
• Material: Sheet steel, powder-coated
• Colour: Grey (RAL 7035)
• Number of poles: 3
• Rated current: 630 A
• Rated voltage: 690 V AC
• Fuse size compatibility: NH 00, 1, 2, 3
• Busbar system: 60 mm centre-to-centre
• Protection class: IP20 when installed
• Standards: IEC 60947-3
• Connection type: Screw terminals

Why choose it

The module's sheet steel construction offers high mechanical stability and durability in industrial environments. Its RAL 7035 finish matches Rittal's enclosure systems, ensuring a uniform appearance. The 630 A rating and support for multiple NH fuse sizes make it versatile for various circuit protection requirements. Direct busbar mounting reduces wiring effort and installation time, while the IP20 protection (when installed) provides safety against accidental contact.

Ideal use cases

• Low-voltage main distribution boards in industrial plants
• Motor control centres requiring fused disconnectors
• Power distribution in commercial buildings
• Retrofit projects using Rittal TS 8 enclosures

Good to know

This module is part of Rittal's SV series, designed for use with 60 mm busbar systems. It accommodates NH fuse sizes 00 to 3, allowing flexibility in fuse selection based on load requirements. The screw terminals provide secure connections for large conductors. Always verify that the busbar system and enclosure depth are compatible before installation.