Why Choose the Rittal SV9677.110 NH Slimline Fuse-Switch Disconnector?
The Rittal SV9677.110 is a compact and reliable NH slimline fuse-switch disconnector designed for safe switching and protection in industrial low-voltage power distribution systems. As part of the Rittal Ri4Power busbar system range, it provides efficient fuse protection and dependable circuit isolation for professional switchgear assemblies.
Designed for NH size 1 fuse inserts, the SV9677.110 features a space-saving slimline construction with a 3-pole switchable design. It is suitable for busbar systems with 185 mm centre-to-centre spacing and includes an M12 bolt connection for secure electrical installation.
With a rated operating current of 250 A and rated operating voltage of 690 V AC, the Rittal SV9677.110 provides reliable protection and switching performance for demanding industrial power distribution applications.
Key Advantages
Compact NH slimline fuse-switch disconnector for industrial power distribution.
250 A rated current suitable for higher-power electrical systems.
690 V AC rated operating voltage for demanding low-voltage applications.
Designed for 185 mm centre-to-centre busbar systems.
Space-saving slimline design for efficient cabinet installation.
Suitable for current transformer installation applications.
Partially silver-plated hard copper contact tracks.
Reliable Fuse Switching for Industrial Power Distribution
The Rittal SV9677.110 provides dependable switching and fuse protection for industrial electrical distribution systems. Its slimline design allows efficient use of enclosure space while maintaining reliable isolation and protection performance.
Designed for integration into Rittal Ri4Power busbar assemblies, this fuse-switch disconnector supports modular switchgear construction and simplifies installation for panel builders and electrical engineers.
Typical Applications
Low-voltage switchgear assemblies.
Industrial power distribution panels.
Rittal Ri4Power busbar systems.
Control cabinet power distribution.
Machine building electrical systems.
Industrial automation installations.
Technical Specifications
Manufacturer
Rittal
Series
Ri4Power / NH Slimline Fuse-Switch Disconnectors
Model
SV9677.110
Product type
NH slimline fuse-switch disconnector
Fuse size
NH 1
Number of poles
3-pole
Rated operating current
250 A
Rated operating voltage
690 V AC, 3~
Busbar centre spacing
185 mm
Busbar height
10 mm
Connection type
Bolt M12
Cable outlet
Top / bottom
Connection range
6–240 mm² round conductors
Material
Polyamide
Fire protection
UL 94-V0
Contact material
Partially silver-plated hard copper
Dimensions (W × H)
100 × 670 mm
Weight
approx. 4.9 kg
Packaging unit
1 pc
Standards
IEC/DIN EN 60947-3, DIN EN 60269-2
Frequently Asked Questions
What is the Rittal SV9677.110 used for?
The SV9677.110 is an NH slimline fuse-switch disconnector used for switching and protecting electrical circuits within Rittal Ri4Power low-voltage distribution systems.
Which fuse size does the SV9677.110 support?
The SV9677.110 is designed for NH size 1 fuse inserts.
What current rating does this fuse-switch disconnector provide?
The Rittal SV9677.110 has a rated operating current of 250 A.
What voltage is the SV9677.110 rated for?
The fuse-switch disconnector is rated for 690 V AC three-phase operation.
Which busbar systems is this component compatible with?
The SV9677.110 is designed for busbar systems with 185 mm centre-to-centre spacing and 10 mm busbar height.
Trusted by Industrial Power System Builders
Rittal NH slimline fuse-switch disconnectors are widely used by electrical engineers and panel builders to create safe, modular and efficient low-voltage power distribution systems.
Manufacturer
Rittal
Series
Ri4Power / NH Slimline Fuse-Switch Disconnectors
Model
SV9677.110
Product type
NH slimline fuse-switch disconnector
Fuse size
NH 1
Number of poles
3-pole
Rated operating current
250 A
Rated operating voltage
690 V AC, 3~
Busbar centre spacing
185 mm
Busbar height
10 mm
Connection type
Bolt M12
Cable outlet
Top / bottom
Connection range
6–240 mm² round conductors
Material
Polyamide
Fire protection
UL 94-V0
Contact material
Partially silver-plated hard copper
Dimensions (W × H)
100 × 670 mm
Weight
approx. 4.9 kg
Packaging unit
1 pc
Standards
IEC/DIN EN 60947-3, DIN EN 60269-2
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
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Stock lines ready to ship
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Same day dispatches
3500 +
Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...