Rittal SV 9344.110 Fuse-Switch - 3-pole 690V IEC/DIN EN 60 947-3
Part Number: 9344110
Manufacturer
Rittal
Part number
9344110
Category
Alt Part Number
SV 9344.110
Quick Summary
The Rittal SV 9344.110 fuse-switch disconnector securely isolates power in a 3-pole package for panel-mounted control and machine distribution. Engineers often struggle with safe disconnection under load while keeping cabinet footprints compact and installation straightforward. This device is designed and tested to IEC/DIN EN 60 947-3 and uses UL 94 fire‑protective polyamide, with copper contact tracks silver-plated. Its NH size 1 compatibility, mounting-plate options, and top or bottom cable outlets support fast, reliable integration in modern automation panels, delivering safer disconnection and reduced wiring complexity. For panel builders seeking efficient installation and regulatory alignment, this unit provides a practical balance of performance, safety, and space efficiency.
Product Information
Extended Description
9344110 Rittal: SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, screw M10, for mounting plate assembly
Article number
SV 9344.110
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 mounting plate assembly
Yes
Cable outlet
Top/bottom
Type of electrical connection
Screw M10
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
10 ‐ 150 mm²
Rated operating voltage
690 V, 3~
Number of poles
3-pole
Packs of
1 pc(s).
Weight/pack
2.14 kg
Copper weight (kg per piece)
0.3
Customs tariff number
85365080
EAN
4028177540606
ETIM 9
EC001040
ECLASS 8.0
27371401
Product description
SV NH fuse-switch disconnector, size 1, 250 A, 690 V, 3-pole, screw M10, for mounting plate assembly
Feature: High current rating of 250 A and a 690 V rating enables reliable switching for heavy loads, reducing the need for multiple devices and simplifying wiring. Business Impact: Improves equipment uptime and lowers total panel cost by consolidating functions in a single component. Application: Ideal for machine panels and distribution boards handling demanding automation tasks with minimal parasitic losses. The SV 9344.110 supports NH size 1 and laminated copper bar connections (32 mm width, 10 mm height), ensuring robust contact interfaces and straightforward field wiring. Feature: 3-pole design with screw M10 connections reduces cross-connections and improves isolation reliability. Business Impact: Enhances safety during maintenance and simplifies fault isolation. Application: Power feeds in control cabinets and automation racks where consistent, predictable disconnection is critical. Feature: Mounting plate assembly compatibility with top/bottom cable outlets offers flexible installation. Business Impact: Speeds up project timelines and supports modular cabinet designs with adaptable cable routing. Application: Panel builders and system integrators seeking scalable layouts for evolving line configurations. Feature: UL 94 compliant polyamide body and silver-plated copper contact tracks provide flame resistance and low contact resistance. Business Impact: Improves overall safety compliance and long-term performance under load. Application: Enclosures requiring flame retardant materials and durable contact performance in industrial environments. Feature: Compact footprint (Width 184 mm; Height 298 mm) with a weight of 2.14 kg per pack and copper weight 0.3 kg per piece. Business Impact: Maximizes usable panel volume, simplifies handling, and reduces weight-related installation effort. Application: Retrofit projects and new panel installations where space is at a premium and ease of installation matters. Feature: IEC/DIN EN 60 947-3 tested and mounting-plate-friendly design supports regulatory compliance and streamlined procurement. Business Impact: Facilitates faster approval cycles, easier auditing, and consistent safety performance across panel infrastructures. Application: Industrial automation panels requiring verified safety standards and repeatable assembly across projects.
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FAQs
Installers should use the mounting plate assembly designed for NH size 1, secure with M10 screws, and connect conductors within the 10–150 mm² range. Ensure the clamping area supports laminated copper bars at 32x10 mm and align the unit with the 184x298 mm footprint for proper ventilation and wiring clearance.
The device is rated for 250 A with a rated voltage of 690 V AC, arranged as a 3-pole assembly. It is designed to operate with 10–150 mm² conductors and uses a screw M10 connection to provide a secure, low-resistance path for high-load switching in panel applications.
Yes. The SV 9344.110 is intended for mounting plate assembly and offers top or bottom cable outlets, enabling flexible routing in confined spaces. Its NH size 1 compatibility and mounting footprint support straightforward integration into existing panel layouts and modular designs.
The device is tested to IEC/DIN EN 60 947-3 and built with UL 94 fire-protective polyamide material. This combination supports regulatory compliance for safety-critical power-distribution panels and helps with audit readiness and supplier qualification.
With 250 A capacity and robust copper contact tracks, the unit offers low contact resistance and durable performance, reducing replacement frequency. The compact 184x298 mm footprint and mounting-plate compatibility accelerate installation and future upgrades, delivering lower lifecycle cost and minimized downtime in busy production lines.