The Lovato DCTLA4000300 is a thyristor module for 400 VAC networks, delivering 30kvar reactive power with integrated current control for reliable, precise switching.
SKU:DCTLA4000300
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The Lovato DCTLA4000300 is a thyristor module for 400 VAC networks, delivering 30kvar reactive power with integrated current control for reliable, precise switching. Part of the DCTL series, it suits AC applications requiring controlled reactive power switching with industrial EMC considerations. With AC1 contact capability and clear specification data, the DCTLA4000300 supports straightforward panel integration and consistent performance in demanding electrical environments.
Engineered for resilience, the unit offers a rated insulation voltage of 480 V and 4 kV impulse withstand, and conforms to IEC/EN 60947-4-3, 61000-6-2 and 61000-6-4. Practical details include NO contact: AC1, contact: AC1 3A, storage temperature from -30 to +80 °C, and a 1740 g build that fits industrial installation and handling practices.
Key Benefits
30kvar rating tailored for reactive power tasks on 400 VAC systems.
Integrated current control for stable, precise switching under varying conditions.
Rated insulation voltage 480 V supports a generous dielectric safety margin.
4 kV impulse withstand enhances resilience against transient overvoltages.
Conforms to IEC/EN 60947-4-3 for thyristor control and switching devices.
EMC compliant to IEC/EN 61000-6-2 and 61000-6-4 for industry environments.
Wide storage temperature range from -30 to +80 °C.
AC1 contact capability with 3 A rating for auxiliary interfacing.
What’s Included
Lovato DCTLA4000300 thyristor module
Product data sheet / user information
Basic mounting and safety instructions
Protective packaging
Applications
Reactive power control on 400 VAC industrial systems
Panels requiring controlled switching of reactive loads
Automation and distribution boards needing EMC-compliant thyristor modules
Installations exposed to electrical transients requiring 4 kV impulse withstand
Technical Specifications
HS Code
85371098
Product type designation
DCTL
Rated insulation voltage Ui (IEC/EN)
480 V
Rated impulse withstand voltage Uimp
4 kV
Storage temperature
-30 to +80 °C
Weight
1740 g
Frequently Asked Questions
What is the reactive power rating of the DCTLA4000300?
It is rated at 30kvar at 400VAC.
Does this module include current control?
Yes, it features integrated current control for precise switching.
Which standards does the DCTLA4000300 conform to?
It conforms to IEC/EN 60947-4-3, IEC/EN 61000-6-2, and IEC/EN 61000-6-4.
What are the insulation and impulse withstand ratings?
Rated insulation voltage Ui is 480 V and impulse withstand Uimp is 4 kV.
What are the storage temperature limits and weight?
Storage temperature is -30 to +80 °C, and the unit weighs 1740 g.
Safety note: Install and commission only by qualified personnel. De-energise equipment before work, follow IEC/EN standards, and observe the specified storage temperature range.
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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...