Rittal SV 9343.100 SV NH Fuse-Switch Disconnector – UL 94
Part Number: 9343100
Manufacturer
Rittal
Part number
9343100
Category
Alt Part Number
SV 9343.100
Quick Summary
SV NH fuse-switch disconnector from Rittal provides robust isolation and protection for 690 V three-phase circuits in industrial control panels. Engineers often struggle with space constraints, wiring complexity, and selecting components that withstand demanding environments. This unit complies with IEC/DIN EN 60947-3 testing and uses UL 94 fire-rated polyamide, delivering reliable operation in panel enclosures. The design supports box-terminal wiring and copper bar connections, helping to simplify wiring schemes and reduce assembly time. With an NH size 1 designation, 3 poles, and a 250 A rating, it scales to growing power requirements while maintaining a compact footprint. In practice, that translates into faster commissioning, safer maintenance, and improved overall panel performance.
Product Information
Extended Description
9343100 Rittal: SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, box terminal
Article number
SV 9343.100
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 bar systems with centre-to-centre spacing
60 mm
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
To fit busbars
Height: 5, 10 mm
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
2.34 kg
Copper weight (kg per piece)
0.44
Customs tariff number
85369095
EAN
4028177540323
ETIM 9
EC001040
ECLASS 8.0
27371401
Product description
SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, box terminal
High current rating and voltage enable safe protection for medium-power panels. Business impact: reduces fuse counts, minimizes downtime, and lowers thermal stress inside enclosures. Application: suitable for distribution panels in manufacturing lines and process equipment. Three-pole NH size 1 with a box-terminal connection streamlines wiring. Business impact: simplifies phase wiring and isolation, reducing assembly time and wiring errors. Application: ideal for new installations and panel upgrades in OEM equipment. Top and bottom cable outlets with copper-bar compatibility offer flexible wiring paths. Business impact: easier routing in tight spaces and faster terminations. Application: panels using laminated copper bars or round conductors (35–150 mm²) and busbars (height 5–10 mm). UL 94 fire-rated polyamide material enhances safety in enclosure environments. Business impact: improved flame retardancy, lower risk during faults. Application: internal panel components where fire safety is a concern. Compact footprint with explicit dimensions and weight supports precise panel planning. Business impact: enables tighter cabinet design and predictable procurement. Application: OEM assemblies, control panels, and space-constrained installations. Standards compliance and packaging details help ensure reliability and supply chain efficiency. Business impact: reduces compliance risk and simplifies stocking—1 pc per pack, clear part traceability. Application: standard component for scalable power distribution.
Get a Quick Quote for a Rittal 9343100
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Rittal 9343100?
Enquire Now
FAQs
Install the SV 9343.100 with top or bottom cable entry as required by panel layout. Use box-terminal connections and align with 60 mm busbar center-to-center spacing where specified. Verify the device is rated for 690 V and 250 A, and secure mounting to minimize vibration. Use appropriate conductor sizes (35–150 mm² for round conductors) and copper-bar clamps (14 mm or 20 mm) per the datasheet to ensure reliable terminations.
The device is rated for 250 A nominal operating current and 690 V (three-phase) with 3 poles. It is designed for NH size 1 and uses a box-terminal connection, suitable for standard industrial panel distributions and machine drives.
Connections accommodate round conductors in the 35–150 mm² range and laminated copper bars with clamping areas of 14 mm and 20 mm width. Busbar height compatibility is listed at 5 and 10 mm, enabling flexible, space-efficient wiring in diverse panel layouts.
The device conforms to IEC/DIN EN 60947-3 (IEC 60947-3) for fuse-switch disconnector performance and uses UL 94-rated polyamide material for enhanced fire protection. These standards support safe operation in panel assemblies and help with regulatory compliance.
By combining a high current rating, compact NH size 1 form, and versatile wiring options, the SV 9343.100 reduces hardware counts, shortens assembly times, and lowers maintenance risk. Its standardized dimensions and documented clamping ranges enable faster design-in and predictable lifecycle costs in manufacturing environments.