Chint NZ7-125H/4/63 63A 4 pole automatic transfer switch designed for automatic power source changeover in industrial, commercial and standby power applications.
£1,447.18
The Chint NZ7-125H/4/63 is a high performance 4 pole automatic transfer switch (ATS) designed to provide reliable automatic changeover between two independent power supplies. It helps maintain uninterrupted electrical supply by automatically transferring connected loads to a standby source whenever the primary supply fails.
As part of the proven Chint NZ7 Series Automatic Transfer Switching Equipment, this model combines intelligent digital control, dependable mechanical and electrical interlocking, and compact construction to deliver safe and efficient power transfer in demanding industrial and commercial environments.
With a 63A rated operational current, 4 pole configuration and suitability for 400V AC three-phase four-wire systems, the NZ7-125H/4/63 is ideal for critical installations where continuous power is essential, including manufacturing facilities, commercial buildings, healthcare environments and standby generator systems.
The Chint NZ7 series continuously monitors the condition of both power supplies and automatically transfers connected loads whenever the preferred source becomes unavailable. This minimises downtime while ensuring critical equipment continues operating with minimal interruption.
Its advanced digital controller, compact construction and dual interlocking system make the NZ7 Series suitable for installations requiring dependable automatic source transfer while preventing unsafe parallel connection of independent power supplies.
| Current | 63 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | Chint |
| Series | NZ7 Automatic Transfer Switching Equipment |
| Model | NZ7-125H/4/63 |
| Product type | Automatic Transfer Switch (ATS) |
| Rated operational current | 63A |
| Number of poles | 4 |
| Rated operational voltage | 400V AC |
| Frequency | 50Hz |
| Network type | Three-phase four-wire |
| Usage category | AC-33B |
| Protection rating | IP30 (excluding main terminals) |
| Installation type | Fixed mounting |
| Connection type | Front connection |
| Standard | IEC/EN 60947-6-1 |
It automatically transfers electrical loads between two independent power supplies to maintain continuity of power during mains failures or supply interruptions.
The NZ7-125H/4/63 has a rated operational current of 63A.
The four pole design switches all live conductors together with the neutral, making it suitable for applications where complete source isolation is required.
Yes. The NZ7 Series is suitable for both mains to mains and mains to generator automatic transfer applications when correctly configured.
The NZ7 Series is manufactured in accordance with IEC/EN 60947-6-1 for automatic transfer switching equipment.
Chint NZ7 automatic transfer switches are widely used by electrical engineers, panel builders and industrial maintenance teams to provide dependable automatic power transfer and continuous electrical supply in critical installations.
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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...