Chint NDK-400VA is a 400 VA single-phase control circuit transformer with 240/415 V AC input, designed to provide reliable control power for industrial electrical panels, machinery and automation systems.
SKU:NDK-400VAAlt SKU:NDK400VAMPN:NDK-400VA
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Why Choose the Chint NDK-400VA Control Circuit Transformer?
The Chint NDK-400VA is a reliable 400 VA single-phase control circuit transformer designed to provide control power for industrial electrical equipment, machinery and automation systems. As part of the Chint NDK control transformer series, it is particularly suited to control panel manufacturers and industrial applications requiring dependable voltage transformation and electrical isolation.
This control transformer provides a practical solution for supplying control circuits, contactors, relays, indicator lamps and other electrical apparatus. The NDK series combines compact construction with straightforward panel installation, making it suitable for use within electrical control panels, distribution equipment and machine control systems.
With a rated output capacity of 400 VA and a 240/415 V AC input, the NDK-400VA provides versatile operation with common industrial supply voltages. The UK NDK range provides multiple secondary voltage connections including 12/24 V, 48/110 V and 240 V AC, allowing the transformer to support a wide variety of control circuit requirements.
Key Advantages
Reliable 400 VA control circuit transformer for industrial electrical applications.
240/415 V AC input suitable for common control panel supply voltages.
Multiple secondary voltage options for flexible control circuit design.
50/60 Hz operation for compatibility with standard AC electrical systems.
Single-phase design developed for control power applications.
Compact construction suitable for installation within control panels and machinery.
Key Features
Chint NDK control transformer series.
400 VA rated output capacity.
240/415 V AC rated input voltage.
12/24 V, 48/110 V and 240 V AC secondary voltage options.
50/60 Hz operating frequency.
Designed for supplying industrial control circuits and electrical apparatus.
Natural air-cooled transformer construction.
Panel or chassis mounting for integration into electrical equipment.
Reliable Control Power for Industrial Equipment
Control circuit transformers such as the Chint NDK-400VA provide a dedicated power source for electrical control equipment by transforming the incoming AC supply to the voltage required by the control circuit. This makes them suitable for supplying components such as contactors, relays, indicator lamps and other devices used throughout industrial machinery and electrical control systems.
The Chint NDK series is designed for machine tools, electrical apparatus and other mechanical equipment requiring dependable control power. Its multiple voltage connections and compact panel-mounted construction provide flexibility when designing new control systems or replacing transformers in existing industrial installations.
Typical Applications
Industrial electrical control panels.
Machine tool control circuits.
Contactors, relays and control devices.
Indicator lamps and signalling circuits.
Industrial machinery and automation equipment.
Power distribution cabinets and electrical equipment.
Technical Specifications
Manufacturer
Chint
Series
NDK Control Transformers
Model
NDK-400VA
Product type
Control circuit transformer
Transformer type
Single-phase
Rated output capacity
400 VA
Input voltage
240/415 V AC
Output voltage options
12/24 V, 48/110 V, 240 V AC
Frequency
50/60 Hz
Protection rating
IP00 open type
Cooling method
Natural air cooling
Mounting type
Panel / chassis mounting
Operating temperature
−5 °C to +40 °C
Maximum operating altitude
2000 m
Maximum relative humidity
95% non-condensing
Manufacturer part number
NDK-400VA
Alternative product SKU
NDK400VA
Barcode
6901800607595
Frequently Asked Questions
What is the Chint NDK-400VA used for?
The NDK-400VA is a control circuit transformer designed to provide reliable control power for electrical apparatus, industrial machinery, control panels, relays, contactors and indicator circuits.
What is the power rating of the NDK-400VA?
The transformer has a rated output capacity of 400 VA.
What input voltage does the NDK-400VA accept?
The Chint NDK-400VA is configured for a 240/415 V AC input, making it suitable for common industrial electrical supplies.
What output voltages are available?
The UK NDK control circuit transformer configuration provides secondary voltage options including 12/24 V, 48/110 V and 240 V AC.
Where is the Chint NDK-400VA typically installed?
The transformer is typically panel or chassis mounted inside electrical control panels, machinery, distribution equipment and industrial automation systems.
Trusted Control Power for Industrial Applications
Chint NDK control circuit transformers provide dependable and flexible control power for panel builders, machinery manufacturers and industrial electrical systems, with multiple voltage options and a broad range of VA ratings for different applications.
Manufacturer
Chint
Series
NDK Control Transformers
Model
NDK-400VA
Product type
Control circuit transformer
Transformer type
Single-phase
Rated output capacity
400 VA
Input voltage
240/415 V AC
Output voltage options
12/24 V, 48/110 V, 240 V AC
Frequency
50/60 Hz
Protection rating
IP00 open type
Cooling method
Natural air cooling
Mounting type
Panel / chassis mounting
Operating temperature
−5 °C to +40 °C
Maximum operating altitude
2000 m
Maximum relative humidity
95% non-condensing
Manufacturer part number
NDK-400VA
Alternative product SKU
NDK400VA
Barcode
6901800607595
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Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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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...