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.
£196.73
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.
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.
| Current | 630 A |
|---|---|
| Phase | Three Phase |
| 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 |
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.
The adapter is designed specifically for Eaton NZM3-XKR13O and NZM3-XKR13U MCCBs.
The Wöhner 32978 has a rated current of 630 A under both IEC and UL standards.
Yes. The adapter supports both top and bottom connection to the busbar system, providing installation flexibility.
The adapter complies with IEC 61439-1 and UL 508 standards for industrial low-voltage power distribution equipment.
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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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...