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32978 Wohner busbar adapter 630 A, 3-pole

32978 Wohner busbar adapter 630 A, 3-pole

Wöhner 32978 630 A 3-pole busbar adapter for Eaton NZM3-XKR13O and NZM3-XKR13U moulded case circuit breakers, designed for the EQUES® 60Classic busbar system.

SKU: 32978Alt SKU: 32978000MPN: 32978
Price
List Price £196.73 ex VAT
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£196.73
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Manufacturer Lead Time

£196.73

Why Choose the Wöhner 32978 Busbar Adapter?

The Wöhner 32978 is a high-capacity 630 A, 3-pole busbar adapter designed for mounting Eaton NZM3-XKR13O and NZM3-XKR13U moulded case circuit breakers (MCCBs) onto the Wöhner EQUES® 60Classic busbar system. Engineered for demanding industrial power distribution applications, it provides a reliable, space-saving solution for switchboards, motor control centres and OEM electrical panels.

Designed for busbars measuring 12, 15, 20, 25, 30 × 5 mm, 10 mm and section busbars, the adapter supports connection from either the top or bottom, offering maximum flexibility during installation. Its heavy-duty construction ensures excellent mechanical stability and dependable electrical performance in industrial environments.

Manufactured to comply with IEC 61439-1 and UL 508, the Wöhner 32978 is suitable for high-current applications where safety, reliability and modular installation are essential.

Key Advantages

  • Designed for the Wöhner EQUES® 60Classic busbar system.
  • Supports Eaton NZM3-XKR13O and NZM3-XKR13U MCCBs.
  • 630 A rated current for high-power industrial applications.
  • Top or bottom connection provides installation flexibility.
  • Compatible with multiple standard busbar dimensions.
  • Reduces wiring while simplifying switchboard assembly.

Key Features

  • 630 A, 3-pole busbar adapter.
  • Compatible with Eaton NZM3-XKR13O and NZM3-XKR13U.
  • Designed for the EQUES® 60Classic system.
  • 690 V AC IEC rated operating voltage.
  • 800 V rated insulation voltage.
  • 6 kV impulse withstand voltage.
  • Top or bottom system connection.
  • Designed for industrial switchgear applications.

Reliable High-Current Power Distribution

The Wöhner 32978 enables Eaton NZM3 circuit breakers to be mounted directly onto the EQUES® 60Classic busbar system, reducing installation time while improving panel organisation and serviceability. Its modular construction helps maximise cabinet space and simplifies future maintenance or expansion.

Designed for industrial switchgear manufacturers and panel builders, this adapter delivers dependable mechanical strength and electrical performance for demanding low-voltage power distribution systems.

Typical Applications

  • Industrial switchboards.
  • Motor control centres.
  • Power distribution panels.
  • Machine control cabinets.
  • OEM electrical equipment.
  • Heavy-duty industrial power systems.

Technical Specifications

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Busbar Centre Distance (mm) 60 mm
Device Type Component adapter
Product Series Wöhner 60Classic
Current 630 A
Phase Three Phase
Poles 3-pole
Manufacturer Wöhner
Series EQUES® 60Classic
Model 32978
Alternative part number 32978000
Product type Busbar adapter
Rated current (IEC) 630 A
Rated current (UL) 630 A
Poles 3-pole
Compatible MCCBs Eaton NZM3-XKR13O, Eaton NZM3-XKR13U
Rated voltage (IEC) 690 V AC
Rated voltage (UL) 600 V AC
Rated insulation voltage 800 V AC
Impulse withstand voltage 6 kV
Busbar compatibility 12, 15, 20, 25, 30 × 5 mm, 10 mm and section busbars
Connection Top or bottom
Protection standards IEC 61439-1, UL 508
Dimensions (W × H × D) 140 × 300 × 63 mm
Weight Approx. 2.50 kg
Halogen-free No

Frequently Asked Questions

What is the Wöhner 32978 used for?

It is a 630 A, 3-pole busbar adapter designed for mounting Eaton NZM3-XKR13O and NZM3-XKR13U moulded case circuit breakers onto Wöhner EQUES® 60Classic busbar systems.

Which circuit breakers are compatible?

The adapter is designed specifically for Eaton NZM3-XKR13O and NZM3-XKR13U MCCBs.

What current rating does the adapter support?

The Wöhner 32978 has a rated current of 630 A under both IEC and UL standards.

Can the adapter be connected from the top or bottom?

Yes. The adapter supports both top and bottom connection to the busbar system, providing installation flexibility.

Which standards does the adapter comply with?

The adapter complies with IEC 61439-1 and UL 508 standards for industrial low-voltage power distribution equipment.

Trusted by Panel Builders Worldwide

Wöhner busbar adapters are trusted by switchgear manufacturers, OEMs and industrial electricians for delivering reliable, modular and space-efficient power distribution solutions.

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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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