03768 Wohner NH fuse-base 630 A, panel mounting

03768 Wohner NH fuse-base 630 A, panel mounting

Wöhner 03768 QUADRON Panel single-pole NH Size 3 fuse base with M12 screw terminals, touch protection and 630 A current rating for industrial electrical distribution.

SKU: 03768Alt SKU: 03768000MPN: 03768000
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Why Choose the Wöhner 03768 NH Fuse Base?

The Wöhner 03768 is a heavy-duty NH fuse base from the QUADRON® Panel range, engineered to provide reliable overcurrent protection in industrial low-voltage power distribution systems. This single-pole NH Size 3 fuse base is designed for direct mounting onto a mounting plate, making it ideal for switchboards, motor control centres and OEM electrical equipment.

Featuring M12 screw terminals on both sides and integrated split touch protection, the Wöhner 03768 provides secure conductor termination while improving operator safety during installation and maintenance. The split touch protection allows safe cable connection while reducing the risk of accidental contact with live components.

With a 630 A rated current, 690 V AC rated voltage and compatibility with NH Size 3 fuse links, the Wöhner 03768 is designed for demanding high-current industrial power distribution applications where dependable circuit protection is essential.

Key Advantages

  • Designed for NH Size 3 fuse links.
  • 630 A rated current for high-power industrial applications.
  • M12 screw terminals on both sides ensure secure electrical connections.
  • Integrated split touch protection enhances operator safety.
  • Single-pole construction for flexible system design.
  • Suitable for direct mounting onto mounting plates.
  • Engineered for long-term reliability in demanding industrial environments.

Key Features

  • Manufacturer: Wöhner.
  • Series: QUADRON® Panel.
  • Part Number: 03768.
  • NH fuse base.
  • 630 A rated current.
  • 690 V AC rated voltage.
  • 440 V DC rated voltage.
  • Suitable for NH Size 3 fuse links.
  • M12 screw terminals on both sides.
  • Integrated split touch protection.

Reliable High-Current NH Size 3 Protection

The Wöhner 03768 provides secure mounting for NH Size 3 fuse links while delivering dependable electrical performance in industrial power distribution systems. Its M12 screw terminals ensure secure high-current conductor connections, while the integrated split touch protection improves installation safety and simplifies maintenance.

Designed for demanding industrial environments, this fuse base combines robust mechanical construction with dependable long-term performance, making it an ideal solution for switchgear assemblies, electrical distribution panels and OEM machinery.

Typical Applications

  • Industrial switchboards.
  • High-current power distribution panels.
  • Motor control centres.
  • OEM machinery.
  • Industrial automation systems.
  • Machine building.
  • Electrical control panels.
  • Heavy-duty low-voltage power distribution.

Technical Specifications

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Device Type Base / mounting component
Current 630 A
Phase Single Phase
Poles 1-pole
Manufacturer Wöhner
Series QUADRON® Panel
Model 03768
Product type NH fuse base
Fuse size NH 3
Rated current 630 A
Rated voltage AC 690 V
Rated voltage DC 440 V
Maximum permitted voltage 1000 V AC / 1000 V DC
Rated impulse withstand voltage 6 kV
Short-circuit withstand 50 kA (when protected by suitable fuse links)
Permitted fuse-link power dissipation 60 W
Connection type M12 screw terminals
Tightening torque 28–32 Nm
Mounting Mounting plate
Number of poles 1
Dimensions (W × H × D) 80 × 247 × 134 mm
Weight Approx. 1.11 kg
Suitable for aluminium conductors No
Halogen free Yes
Standards IEC 60269-1, IEC 60269-2
HS Code 85361090
Country of Manufacture Germany

Frequently Asked Questions

What is the Wöhner 03768 used for?

The Wöhner 03768 is a single-pole NH fuse base designed to mount NH Size 3 fuse links for protecting high-current industrial electrical distribution circuits.

What current rating does it support?

The fuse base has a 630 A rated current.

Which fuse size is compatible?

It is designed for NH Size 3 fuse links manufactured in accordance with IEC 60269-2.

What type of cable connection does it use?

The Wöhner 03768 features M12 screw terminals on both sides with a recommended tightening torque of 28–32 Nm for secure high-current conductor termination.

Where is this fuse base typically installed?

It is designed for mounting onto a mounting plate within industrial switchboards, power distribution panels, motor control centres and OEM electrical equipment.

Trusted by Panel Builders Worldwide

Wöhner QUADRON® Panel fuse bases are trusted worldwide by switchgear manufacturers and electrical engineers for dependable circuit protection, robust construction and reliable long-term performance in demanding industrial power distribution systems.