Chint NDK-50VA is a compact 50 VA single-phase control circuit transformer with 240/415 V AC input and multiple secondary voltage connections, designed to provide reliable control power for industrial electrical panels, machinery and automation systems.
SKU:NDK-50VAAlt SKU:NDK50VAMPN:NDK-50VA
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Why Choose the Chint NDK-50VA Control Circuit Transformer?
The Chint NDK-50VA is a compact and reliable 50 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 machine builders 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 is designed to provide maximum voltage ratings from compact frame sizes, making it especially useful in electrical control panels where installation space is limited.
With a rated output capacity of 50 VA and a 240/415 V AC input, the NDK-50VA provides versatile operation with common industrial supply voltages. The UK NDK range provides secondary voltage connections including 12/24 V, 48/110 V and 240 V AC, allowing the transformer to support a variety of control circuit requirements.
Key Advantages
Compact control circuit transformer designed for industrial applications.
50 VA rated output capacity suitable for smaller control circuits and electrical equipment.
240/415 V AC input compatible with common industrial electrical supplies.
Multiple secondary voltage connections provide flexibility for different control circuits.
50/60 Hz operation for compatibility with standard AC power systems.
Compact frame size makes efficient use of space inside control panels.
Designed specifically for dependable control power and electrical isolation.
Key Features
Chint NDK control transformer series.
50 VA rated output capacity.
240/415 V AC input supply.
12/24 V, 48/110 V and 240 V AC secondary voltage connections.
50/60 Hz operating frequency.
Single-phase control transformer construction.
IP00 open-type construction.
Natural air cooling for reliable operation.
Panel or chassis mounting for integration into electrical equipment.
Designed for control power, machine tools, lighting and indicator circuits.
Separate earthing point.
IEC/EN 61558 compliant NDK control transformer design.
Reliable Control Power for Industrial Equipment
Control circuit transformers such as the Chint NDK-50VA 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 electrical apparatus, machine tools, lighting 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.
Machine lighting and auxiliary circuits.
Power distribution cabinets and electrical equipment.
Technical Specifications
Manufacturer
Chint
Series
NDK Control Transformers
Model
NDK-50VA
Product type
Control circuit transformer
Transformer type
Single-phase
Rated output capacity
50 VA
Input voltage
240/415 V AC
Output voltage connections
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
Standard
Q/ZT258 / IEC-EN 61558-1
Frequently Asked Questions
What is the Chint NDK-50VA used for?
The NDK-50VA is a control circuit transformer designed to provide reliable control power for electrical apparatus, industrial machinery, machine tools, control panels, relays, contactors and indicator circuits.
What is the power rating of the NDK-50VA?
The transformer has a rated output capacity of 50 VA, making it suitable for smaller industrial control and auxiliary circuits.
What input voltage does the NDK-50VA accept?
The Chint NDK-50VA 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 connections including 12/24 V, 48/110 V and 240 V AC.
Where is the Chint NDK-50VA typically installed?
The transformer is typically panel or chassis mounted inside electrical control panels, machinery and industrial automation equipment requiring a dedicated control power supply.
Trusted by Control Panel Builders
Chint NDK control circuit transformers provide dependable and flexible control power for panel builders, machinery manufacturers and industrial electrical systems, combining compact construction with multiple voltage connections for a broad range of control applications.
Manufacturer
Chint
Series
NDK Control Transformers
Model
NDK-50VA
Product type
Control circuit transformer
Transformer type
Single-phase
Rated output capacity
50 VA
Input voltage
240/415 V AC
Output voltage connections
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
Standard
Q/ZT258 / IEC-EN 61558-1
No documents available for this product.
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...