SV9344.110 Rittal fuse-switch disconnector size 1 250 A 690 V 3-pole screw M10

SV9344.110 Rittal fuse-switch disconnector size 1 250 A 690 V 3-pole screw M10

Rittal SV9344.110 NH fuse-switch disconnector, a 250 A 690 V three phase size 1 switching and protection device with screw M10 connection for mounting plate assembly.

SKU: SV9344.110Alt SKU: 9344110MPN: SV9344.110
Price
List Price £164.62 ex VAT
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£164.62

Why Choose the Rittal SV9344.110 NH Fuse-Switch Disconnector?

The Rittal SV9344.110 is a reliable NH fuse-switch disconnector designed for safe switching, isolation and fuse protection in industrial low-voltage power distribution systems. As part of the proven Rittal SV busbar system range, it provides a compact and dependable solution for integrating NH fuse protection into electrical assemblies.

This fuse-switch disconnector is designed for mounting plate assembly and combines robust construction with secure high-current connection technology. The screw M10 connection provides a reliable electrical interface, while the top and bottom cable outlet arrangement enables flexible installation in control panels, switchgear and distribution systems.

With a rated operating current of 250 A and a 690 V AC three-phase rating, the SV9344.110 is suitable for NH size 1 fuse inserts, providing dependable circuit protection and isolation for demanding industrial applications.

Key Advantages

  • Compact NH fuse-switch disconnector for industrial power distribution.
  • 250 A rated operating current suitable for medium-power applications.
  • 690 V AC three-phase operation for industrial electrical systems.
  • Compatible with NH size 1 fuse inserts.
  • Secure screw M10 connection for reliable high-current installation.
  • Top and bottom cable outlet configuration supports flexible panel layouts.

Key Features

  • Rittal SV9344.110 NH fuse-switch disconnector.
  • NH size 1 fuse compatibility.
  • 250 A maximum rated operating current.
  • 690 V AC, three-phase rated operating voltage.
  • 3-pole switching design.
  • Designed for mounting plate assembly.
  • Electrolytic copper contact tracks with silver-plated surface finish.
  • Polyamide housing with UL 94 fire protection characteristics.

Reliable Protection for Industrial Power Distribution

NH fuse-switch disconnectors provide combined switching and fuse protection for low-voltage electrical distribution systems. The Rittal SV9344.110 enables safe isolation and dependable circuit protection while maintaining efficient use of space within industrial switchgear assemblies.

Designed for professional panel building applications, this component supports reliable energy distribution where safety, accessibility and long service life are essential. Its robust construction and proven Rittal engineering make it suitable for a wide range of industrial installations.

Typical Applications

  • Industrial electrical distribution panels.
  • Low-voltage switchgear assemblies.
  • Machine control cabinets.
  • Factory automation power systems.
  • Motor and equipment protection circuits.
  • Industrial infrastructure and energy distribution installations.

Technical Specifications

Material Polyamide
Accessory Type Busbar System
Manufacturer Rittal
Series SV
Model SV9344.110
Product type NH fuse-switch disconnector
Fuse size NH size 1
Number of poles 3-pole
Rated operating current 250 A
Rated operating voltage 690 V AC
Input phases 3-phase
Connection type Screw M10
Round conductor connection range 10–150 mm²
Cable outlet Top/bottom
Mounting type Mounting plate assembly
Contact material Electrolytic copper, silver-plated
Clamping area for laminated copper bars 32 mm width × 10 mm height
Compatible busbar heights 5 mm and 10 mm
Standards IEC/DIN EN 60947-3 and DIN EN 60269-2
Dimensions (W × H) 184 × 298 mm
Weight approx. 2.14 kg

Frequently Asked Questions

What is the Rittal SV9344.110 used for?

The Rittal SV9344.110 is an NH fuse-switch disconnector used for switching, isolation and fuse protection within industrial power distribution systems.

What fuse size does this disconnector support?

The SV9344.110 is designed for NH size 1 fuse inserts.

What current and voltage rating does this product have?

The disconnector has a rated operating current of 250 A and a rated operating voltage of 690 V AC three-phase.

What type of connection is used?

The SV9344.110 uses a screw M10 connection suitable for round conductors from 10–150 mm².

Where is this fuse-switch disconnector installed?

The SV9344.110 is designed for mounting plate assembly in industrial switchgear and power distribution systems.

Trusted by Industrial Panel Builders Worldwide

Rittal SV fuse-switch disconnectors are widely used by electrical engineers and panel builders to create safe, efficient and reliable low-voltage power distribution systems.

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