Rittal 9677300 Fuse-switch Disconnector - 3-pole 690V
Part Number: 9677300
Manufacturer
Rittal
Part number
9677300
Category
Alt Part Number
SV 9677.300
Quick Summary
Rittal SV 9677.300 fuse-switch disconnector provides safe isolation in 690 V power distribution panels. Engineers often struggle with mounting on bar systems with fixed center-to-center spacing and wiring flexibility for current transformer installations. This unit complies with IEC/DIN EN 60 947-3 and features a UL 94-V0 rated polyamide housing for enhanced safety and durability. The design delivers reliable performance for NH size 3 systems while enabling straightforward integration into existing busbar layouts. By combining robust electrical ratings with flexible cable entry and solid mechanical mounting, it supports efficient commissioning, reduced downtime, and predictable maintenance costs for panel builders and machine integrators.
Product Information
Extended Description
9677300 Rittal: SV NH slimline fuse-switch disconnector, size 3, 630 A, 690 V, 3-pole, bolt M12, 185 mm, for current transformer installation
Article number
SV 9677.300
Design
3-pole, switchable
Material
Polyamide | Fire protection corresponding to UL 94-V0 | Contact tracks: Partially silver-plated hard copper
Colour
Chassis: RAL 7035 | Cover: RAL 7001 | Handle: RAL 7016
For NH size
3
For bar systems with centre-to-centre spacing
185 mm
Cable outlet
Top/bottom
Type of electrical connection
Bolt M12
Number of poles
3-pole
Rated operating voltage
690 V, 3~
Rated operating current max.
630 A
Note
When using components on busbars with contact hazard protection cover, the contact terminal must be used
Test specification
IEC/DIN EN 60 947-3
For converter installation
Yes
Dimensions
Width: 100 mm | Height: 670 mm
Connection for round conductor
6 ‐ 240 mm²
To fit busbars
Height: 10 mm
Packs of
1 pc(s).
Weight/pack
5.86 kg
Copper weight (kg per piece)
2.47
Customs tariff number
85365080
EAN
4028177705548
ETIM 9
EC001046
ECLASS 8.0
27371402
Product description
SV NH slimline fuse-switch disconnector, size 3, 630 A, 690 V, 3-pole, bolt M12, 185 mm, for current transformer installation
Feature → Business Impact → Application: The SV 9677.300 is a 3-pole, 690 V AC, 630 A rated fuse-switch disconnector, enabling safe, clear isolation of power circuits in demanding 690 V distribution panels, reducing risk and improving maintenance turnaround for automated systems. Feature → Business Impact → Application: NH size 3 compatibility with 185 mm busbar spacing standardizes installation across multiple panels, simplifying procurement and field assembly for OEMs and service teams. Feature → Business Impact → Application: Top and bottom cable outlets plus bolt M12 connections deliver wiring flexibility and secure terminations, accelerating wiring verification during commissioning and improving reliability in converter installations. Feature → Business Impact → Application: Polyamide housing with UL 94-V0 fire protection delivers enhanced safety margins and long-term service life, supporting compliance with strict industrial safety standards in harsh environments. Feature → Business Impact → Application: Dimensions (Width 100 mm, Height 670 mm) and weight details (5.86 kg per pack; copper weight 2.47 kg) enable precise space planning and predictable logistics for panel builders and distributors. Feature → Business Impact → Application: Clear notes on busbar mounting height (10 mm) and current transformer installation readiness reduce rework, facilitating faster project turnover and lower total cost of ownership.
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FAQs
The SV NH slimline disconnector is designed for 3-pole operation on NH size 3 busbars with 185 mm center-to-center spacing. Use the M12 bolt terminals and plan for top or bottom cable entry. Ensure correct alignment with busbars, then fasten per the mounting provisions. If a contact hazard protection cover is used, the contact terminal must be engaged as noted in the installation guidance.
It is rated for 690 V (3-phase) with a maximum operating current of 630 A. The device is a 3-pole configuration, suitable for high-current isolation in power distribution panels and converter installations while meeting the IEC/DIN EN 60 947-3 standards.
Yes. The design supports converter installation with current transformer setups and provides reliable isolation for power electronics. The 3-pole, 690 V rating and 185 mm bar-spacing facilitate integration into converter-fed panels and related equipment.
The device uses UL 94-V0 rated polyamide for the housing and complies with IEC/DIN EN 60 947-3 testing. It is compatible with current transformer installation and aligns with ETIM 9 EC001046 and ECLASS 27371402 classifications for procurement and cataloging.
With top/bottom cable outlets, M12 bolt connections, and a compact 100 mm x 670 mm footprint, installation is faster and wiring verification is simplified. The unit’s weight (5.86 kg per pack) and copper weight (2.47 kg) support predictable shipping and handling, reducing lead times and maintenance labor costs.