Why Choose the Wöhner 33770 QUADRON® 185Power Fuse Switch-Disconnector?
The Wöhner 33770, manufacturer part number 33770 000A, is a genuine QUADRON® 185Power NH in-line fuse switch-disconnector rated at 160 A. Designed for NH size 00 fuse links, this high-version, three-pole switch-disconnector features box terminals for conductors up to 70 mm² and is suitable for installation on 30, 40, 60, 80, 100 and 120 × 10 mm busbars. It forms part of the modular Wöhner 185Power busbar system, providing safe, space-saving protection and switching for industrial low-voltage power distribution.
Engineered for fast installation and dependable operation, the Wöhner 33770 combines a compact design with robust switching performance. The integrated box terminals simplify cable termination while maintaining secure electrical connections, making the device ideal for switchboard manufacturers, panel builders and OEM machine builders.
Compatible with a wide range of genuine Wöhner accessories, including terminal compartment covers, current transformers and connection accessories, the 33770 supports flexible, future-proof switchgear designs within the 185Power platform.
The Wöhner 33770 has been developed for modern low-voltage switchgear where compact installation, dependable switching and flexible cable termination are essential. Its high-version design with integrated box terminals enables straightforward connection of copper conductors while maintaining the modular philosophy of the 185Power system.
The switch-disconnector also supports integration with genuine Wöhner accessories such as terminal compartment covers and current transformers, allowing panel builders to create scalable and serviceable distribution systems that can be adapted to future monitoring or maintenance requirements.
Typical Applications
Industrial switchboards.
Low-voltage power distribution systems.
Motor control centres.
OEM machinery panels.
Commercial electrical installations.
Main distribution boards.
185 mm busbar systems.
Energy distribution and protection.
Technical Specifications
Current
160 A
Phase
Three Phase
Manufacturer
Wöhner
Part number
33770 000A
SKU
33770
Product type
NH in-line fuse switch-disconnector
Series
QUADRON® 185Power
Rated current
160 A
Fuse size
NH 00
Poles
3
Version
High
Terminal type
Box terminal
Maximum conductor size
70 mm²
Compatible busbars
30, 40, 60, 80, 100, 120 × 10 mm
System
185Power
Standards
IEC 60947-1:2020, IEC 60947-3:2020 (AC ratings)
Frequently Asked Questions
What is the Wöhner 33770?
The Wöhner 33770 is a QUADRON® 185Power NH size 00 three-pole fuse switch-disconnector rated at 160 A with integrated 70 mm² box terminals.
Which fuse size does it accept?
The device is designed for standard NH size 00 fuse links.
What conductor size can be connected?
The integrated box terminals accept conductors up to 70 mm².
Which busbar systems is it compatible with?
It is suitable for 185Power busbars measuring 30, 40, 60, 80, 100 and 120 × 10 mm.
Can current transformers be fitted?
Yes. Compatible Wöhner current transformers and accessories are available for the 185Power system.
Trusted Switching Technology from Wöhner
QUADRON® 185Power switch-disconnectors are trusted by panel builders and electrical engineers worldwide for delivering reliable protection, modular installation and long-term performance in demanding industrial power distribution applications.
Current
160 A
Phase
Three Phase
Manufacturer
Wöhner
Part number
33770 000A
SKU
33770
Product type
NH in-line fuse switch-disconnector
Series
QUADRON® 185Power
Rated current
160 A
Fuse size
NH 00
Poles
3
Version
High
Terminal type
Box terminal
Maximum conductor size
70 mm²
Compatible busbars
30, 40, 60, 80, 100, 120 × 10 mm
System
185Power
Standards
IEC 60947-1:2020, IEC 60947-3:2020 (AC ratings)
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
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...