Rittal 9344100 SV NH fuse-switch disconnector - 3-pole
Part Number: 9344100
Manufacturer
Rittal
Part number
9344100
Category
Alt Part Number
SV 9344.100
Quick Summary
Rittal 9344100 SV NH fuse-switch disconnector provides safe, high-current switching for panel-mounted power distribution. Engineers often struggle to fit reliable terminations and accessible wiring into compact enclosures without compromising safety or serviceability. This unit conforms to IEC/DIN EN 60 947-3 and features UL 94 fire-protective materials, supporting compliance across strict electrical standards. Its mounting plate compatibility and top/bottom cable outlets enable quick installation, clean cable routing, and easy field maintenance. By choosing a 3-pole, 250 A device rated for 690 V, technicians gain headroom for future expansions while reducing downtime and wiring errors. This combination supports reliable, scalable power management in industrial panels.
Product Information
Extended Description
9344100 Rittal: SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, box terminal, for mounting plate assembly
Article number
SV 9344.100
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: 20 mm | Clamping area height: 3 mm
Note
Connection of sector-shaped conductors 50 – 150 mm².
for mounting plate assembly
Yes
Cable outlet
Top/bottom
Type of electrical connection
Box terminal
Rated operating current max.
250 A
For NH size
1
Note
The technical data may vary for UR applications. Applications to UR only in conjunction with "Special Purpose Fuses".
Test specification
IEC/DIN EN 60 947-3
Dimensions
Width: 184 mm | Height: 298 mm
Connection for round conductor
35 ‐ 150 mm²
Clamping area for laminated copper bars
14 mm
Rated operating voltage
690 V, 3~
Number of poles
3-pole
Packs of
1 pc(s).
Weight/pack
2.28 kg
Copper weight (kg per piece)
0.3
Customs tariff number
85369095
EAN
4028177540590
ETIM 9
EC001040
ECLASS 8.0
27371401
Product description
SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, box terminal, for mounting plate assembly
Feature: The SV NH fuse-switch disconnector is rated for 250 A and 690 V, consolidating switching duties into a single 3-pole unit. Business impact: This reduces component count, simplifies wiring, and frees panel space, cutting assembly time and potential contact errors. Application: ideal for panel power distribution in manufacturing lines, machine control cabinets, and switchgear assemblies. Feature: Box terminal connections with top/bottom cable outlets and mounting plate compatibility. Business impact: supports flexible routing and faster field installation, minimizing downtime. Application: suitable for modular panel designs and retrofit projects. Feature: Clamping area supports laminated copper bars and round conductors (35-150 mm²) with a 14 mm clamp. Business impact: ensures low contact resistance, robust current paths, and straightforward conductor termination. Application: heavy-duty control panels and power distribution cells. Feature: Fire-rated polyamide housing (UL 94) and copper weight of 0.3 kg per piece. Business impact: improves enclosure safety and heat performance; predictable mechanical stability. Application: industrial enclosures in manufacturing environments and PLC panels. Feature: IEC/DIN EN 60 947-3 compliance, dimensions 184 mm width by 298 mm height, and packaging at 1 pc per pack (2.28 kg). Business impact: supports design standardization, easier stocking, and repeatable installation. Application: panel builders seeking reliable, standards-compliant devices for scalable automation.
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FAQs
The unit is designed for mounting plate assemblies with a top/bottom cable outlet configuration. Its footprint is 184 mm wide by 298 mm high, and it is supplied as a 1 piece per pack with a weight of 2.28 kg. The clamp accommodates laminated copper bars up to 14 mm and round conductors from 35 to 150 mm².
Yes. The device provides a clamping area for laminated copper bars with a 14 mm clamp width. It also supports round conductors between 35 and 150 mm², enabling secure termination with low resistance for high-current applications up to 250 A at 690 V.
The fuse-switch disconnector complies with IEC/DIN EN 60 947-3, ensuring recognized performance and safety criteria. The housing material provides UL 94 fire protection, contributing to safer enclosure design and reducing fire risk in electrical installations.
Cable outlets are located at the top and bottom, allowing flexible routing in compact panels. Mounting plate compatibility simplifies integration into existing assemblies and supports modular switchgear designs, which reduces installation time and enables easier future upgrades.
Key specs include 3-pole configuration, 690 V nominal voltage, 250 A rated current, and box terminal connections. Packaging is 1 piece per pack, with a total weight of 2.28 kg per pack; copper weight per piece is 0.3 kg. EAN is 4028177540590, and the customs tariff number is 85369095.