Rittal SV NH fuse-switch 9344350 - 3-pole 690 V (IEC/DIN EN 60 947-3)
Part Number: 9344350
Manufacturer
Rittal
Part number
9344350
Category
Alt Part Number
SV 9344.350
Quick Summary
Rittal SV NH fuse-switch is a robust disconnect solution for high-current control panels. When panel space is tight and safety is non-negotiable, installation and fuse monitoring can be a headache. This unit conforms to IEC/DIN EN 60 947-3 and uses UL 94 fire-rated polyamide housing for enhanced safety, giving dependable performance under demanding conditions. Its mounting plate compatibility, top/bottom cable outlets, and 3-pole 690 V rating simplify engineering and field wiring. For buyers and maintenance teams, the design reduces wiring complexity, speeds commissioning, and supports consistent, compliant isolation during routine tests and fault conditions.
Product Information
Extended Description
9344350 Rittal: SV NH fuse-switch disconnector, size 3, 630 A, 690 V, 3-pole, screw M10, with electromechanical fuse monitoring, for mounting plate assembly
Article number
SV 9344.350
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: 50 mm | Clamping area height: 10 mm
for mounting plate assembly
Yes
Cable outlet
Top/bottom
Type of electrical connection
Screw M10
Rated operating current max.
630 A
For NH size
3
Test specification
IEC/DIN EN 60 947-3
Dimensions
Width: 250 mm | Height: 298 mm
Connection for round conductor
10 ‐ 300 mm²
Rated operating voltage
690 V, 3~
Number of poles
3-pole
Packs of
1 pc(s).
Weight/pack
4.16 kg
Copper weight (kg per piece)
1.06
Customs tariff number
85369095
EAN
4028177540750
ETIM 9
EC001040
ECLASS 8.0
27371401
Product description
SV NH fuse-switch disconnector, size 3, 630 A, 690 V, 3-pole, screw M10, with electromechanical fuse monitoring, for mounting plate assembly
Feature: 3-pole SV NH fuse-switch disconnector handles high continuous current up to 630 A. Business Impact: Enables safe, reliable isolation of demanding loads while minimizing voltage drop and arc risk in power distribution cabinets. Application: Ideal for distribution boards and control panels in industrial automation environments. Feature: Electromechanical fuse monitoring provides immediate status feedback. Business Impact: Improves maintenance planning and reduces unplanned downtime by signaling fuse condition before a fault occurs. Application: Critical in mission-critical applications where uptime is essential and quick fault diagnosis is required. Feature: Mounting plate assembly compatibility with top/bottom cable outlets. Business Impact: Streamlines installation and future upgrades by simplifying wiring routes and panel layout changes. Application: Suitable for retrofit projects and new builds where enclosure space is constrained. Feature: Clamping area for laminated copper bars (50 mm x 10 mm). Business Impact: Ensures robust current paths and reliable torque for M10 screw connections, improving long-term electrical integrity. Application: Key for heavy-duty busbar connections in power distribution blocks. Feature: UL 94 compliant polyamide housing and EN/IEC safety compliance. Business Impact: Enhances fire safety and regulatory alignment across panel assemblies, reducing risk and compliance overhead. Application: Widely applicable in certified electrical cabinets and industrial enclosures. Feature: Compact dimensions (Width 250 mm, Height 298 mm) and weight efficiency (Copper weight 1.06 kg per piece; Weight/pack 4.16 kg). Business Impact: Easier handling, transport, and BOM planning, lowering logistics and installation costs. Application: Scalable for multi-chassis installations in large control systems.
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FAQs
Yes. SV NH 9344350 is designed for mounting plate assembly with a clamping area width of 50 mm and height of 10 mm, and it supports laminated copper bars 10–300 mm². Screw terminals are M10, and cable outlets are top and bottom, enabling flexible panel integration.
The unit is a 3-pole fuse-switch disconnector rated for up to 630 A and 690 V (3~). It weighs 4.16 kg per pack, with a copper weight of 1.06 kg per piece. Dimensions are 250 mm width and 298 mm height, designed for robust, high-current isolation.
Ideal for power distribution and control cabinets in industrial automation. Its mounting plate compatibility, top/bottom cable outlets, and 3-pole 690 V rating support retrofit projects and new builds, especially in space-constrained enclosures where reliable fuse monitoring and isolation are critical.
It aligns with IEC/DIN EN 60 947-3 for electrical safety and uses UL 94 fire-rated polyamide material for housing. These features support compliance in certified electrical cabinets and reduce risk during operation and maintenance.
Electromechanical fuse monitoring provides proactive fault indication, reducing downtime. The mounting plate compatibility and compact footprint simplify installation, wiring, and future upgrades, delivering faster commissioning and improved total cost of ownership in power distribution systems.