Rittal SV 9343.150 Fuse-Switch Disconnector - IEC 60947-3

Part Number: 9343150
Manufacturer
Rittal
Part number
9343150
Alt Part Number
SV 9343.150

Quick Summary

Rittal SV 9343.150 fuse-switch disconnector delivers safe, reliable disconnection for 3-pole power distribution in industrial cabinets. Engineers often struggle with fuse-health monitoring and space constraints in modern switchgear, leading to unexpected downtime. This device aligns with IEC/DIN EN 60 947-3 safety standards and UL 94 flame-protection housing, while offering electromechanical fuse monitoring for proactive maintenance. Built for NH size 1 installations and busbar mounting, it provides installation efficiency and predictable performance for panel builders, with robust mounting options and clear fuse-status indication to support asset management and uptime goals.

Product Information

Extended Description

9343150 Rittal: SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, screw M10, with electromechanical fuse monitoring
Article number
SV 9343.150
Material
Polyamide | Fire protection corresponding to UL 94 | Contact tracks: Electrolytic copper, silver-plated
Colour
Chassis: RAL 7035 | Cover: RAL 7035/7001
Clamping area for laminated copper bars
Clamping area width: 32 mm | Clamping area height: 10 mm
For bar systems with centre-to-centre spacing
60 mm
Cable outlet
Top/bottom
Type of electrical connection
Screw M10
Rated operating current max.
250 A
For NH size
1
Test specification
IEC/DIN EN 60 947-3
Dimensions
Width: 184 mm | Height: 298 mm
Connection for round conductor
10 ‐ 150 mm²
To fit busbars
Height: 5, 10 mm
Rated operating voltage
690 V, 3~
Number of poles
3-pole
Packs of
1 pc(s).
Weight/pack
2.8 kg
Copper weight (kg per piece)
0.44
Customs tariff number
85369095
EAN
4028177540378
ETIM 9
EC001040
ECLASS 8.0
27371401
Product description
SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, screw M10, with electromechanical fuse monitoring
Feature: NH size 1, 3-pole, 250 A, 690 V, screw M10 connection, electromechanical fuse monitoring. Business Impact: Enables safe, predictable isolation of high-current circuits with proactive fuse health visibility, reducing unplanned downtime in power distribution panels. Application: Suitable for control cabinets and machine houses requiring reliable 3-pole protection and quick fuse-status checks. Feature: UL 94 fire-protected polyamide housing with copper contact tracks (silver-plated). Business Impact: Improves enclosure safety and flame-retardant performance, supporting compliance in harsh environments and reducing risk of propagation during faults. Application: Enclosures in manufacturing lines and process plants where fire safety standards are critical. Feature: Top/bottom cable outlets and clamping area for laminated copper bars (32 mm width x 10 mm height), with center-to-center busbar spacing of 60 mm. Business Impact: Flexible wiring harnessing and simplified busbar integration, shortening assembly times and enabling neater panel layouts. Application: Panel-integration scenarios with laminated copper bars and modular busbar systems. Feature: Dimensions width 184 mm, height 298 mm; weight per pack 2.8 kg; copper weight 0.44 kg. Business Impact: Compact footprint with predictable weight for shipping, handling, and mechanical design in tight panels. Application: Space-constrained switchgear installations in machine centers. Feature: Cable conductor range 10–150 mm² and NH size 1 compatibility; M10 screw terminals; 690 V, 3-phase operation. Business Impact: Broad conductor compatibility reduces part variety and speeds up procurement, aiding compliance with project specs. Application: High-power distribution and control cabinets requiring robust, versatile terminations.

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FAQs

The SV 9343.150 supports laminated copper bars with a clamping area of 32 mm width by 10 mm height and is designed for NH size 1, 60 mm center-to-center busbar spacing. It provides top/bottom cable outlets and a 3-pole configuration, enabling straightforward integration into standard control panels and switchgear assemblies.
Key specs include a 3-pole configuration rated for 690 V AC and a maximum operating current of 250 A. It uses screw M10 terminations and is designed for top/bottom cable entry. The device is suitable for NH size 1 installations and supports copper conductor ranges from 10 to 150 mm².
Yes. The housing is polyamide with UL 94-fire protection, offering flame-retardant characteristics suitable for industrial environments. Its electromechanical fuse monitoring provides reliable fault detection, helping maintain safety and uptime in control cabinets and switchgear operating at 690 V.
The product aligns with IEC/DIN EN 60947-3 safety standards for fuse-switch disconnectors and features UL 94 flame protection for the housing. These certifications support compliance in international projects and help mitigate risk in standard industrial applications.
It includes electromechanical fuse monitoring to provide real-time fuse status, enabling proactive maintenance and reducing downtime. The M10 termination, busbar compatibility, and robust construction also support long service life and straightforward diagnostics during routine inspections.