Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
nz7-125h/4/63 chint 63a 4 pole automatic changeover switch
Chint NZ7-125H/4/63 63A 4 pole automatic transfer switch designed for automatic power source changeover in industrial, commercial and standby power applications.
Why Choose the Chint NZ7-125H/4/63 Automatic Transfer Switch?
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.
Key Advantages
- Automatic transfer switch designed for continuous power availability.
- 63A rated operational current for industrial and commercial applications.
- 4 pole switching including neutral conductor transfer.
- Automatic transfer between normal and standby power supplies.
- Mechanical and electrical interlocking prevents simultaneous connection of both power sources.
- Compact design simplifies installation within electrical distribution panels.
Key Features
- Chint NZ7 Series Automatic Transfer Switch.
- 63A rated operational current.
- 4 pole construction.
- 400V AC 50Hz operating voltage.
- CB Class automatic transfer switching equipment.
- Integrated intelligent digital controller.
- Mechanical and electrical dual interlocking.
- Compact fixed mounting design.
- Suitable for mains to mains and mains to generator applications.
- Reliable automatic source monitoring and transfer.
Reliable Automatic Power Transfer
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.
Typical Applications
- Industrial manufacturing facilities.
- Commercial buildings.
- Emergency standby generator systems.
- Hospitals and healthcare facilities.
- Data centres and communication equipment.
- Building services and critical infrastructure.
Technical Specifications
Tick the specs you need, then view products that match.
| Operation | Automatic | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| 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 |
Frequently Asked Questions
What is the Chint NZ7-125H/4/63 used for?
It automatically transfers electrical loads between two independent power supplies to maintain continuity of power during mains failures or supply interruptions.
What is the current rating of this automatic transfer switch?
The NZ7-125H/4/63 has a rated operational current of 63A.
Why does this model use four poles?
The four pole design switches all live conductors together with the neutral, making it suitable for applications where complete source isolation is required.
Can this transfer switch be used with standby generators?
Yes. The NZ7 Series is suitable for both mains to mains and mains to generator automatic transfer applications when correctly configured.
Which standards does the NZ7 Series comply with?
The NZ7 Series is manufactured in accordance with IEC/EN 60947-6-1 for automatic transfer switching equipment.
Trusted by Electrical Professionals Worldwide
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.
