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Three-phase control transformer

Three-phase control transformers are essential components in industrial electrical systems, designed to step down or isolate voltage for control circuits, PLCs, contactors, and relays. These devices typically feature primary and secondary windings rated for common voltages such as 400V to 230V or 480V to 120V, with power ratings ranging from 100...

Three-phase control transformers are essential components in industrial electrical systems, designed to step down or isolate voltage for control circuits, PLCs, contactors, and relays. These devices typically feature primary and secondary windings rated for common voltages such as 400V to 230V or 480V to 120V, with power ratings ranging from 100 VA to several kVA. They are built with high-grade magnetic cores and copper or aluminum windings, ensuring low losses and stable output under varying loads. Key technical parameters include rated frequency (50/60 Hz), insulation class (e.g., F or H), and protection degree (IP00 for open types or IP23 for enclosed units). Three-phase control transformers are often equipped with thermal protection and can be configured for delta or star connections, making them versatile for global applications.

These transformers are primarily deployed in industrial control panels, motor control centers (MCCs), and automation cabinets where reliable voltage transformation is critical. They are widely used in manufacturing plants, oil and gas facilities, water treatment stations, and renewable energy systems. In sectors like automotive, food processing, and chemical production, they power control circuits for machinery, conveyors, and robotic systems. Their robust design ensures continuous operation in harsh environments, including areas with high humidity, dust, or vibration. Additionally, they are integral to building management systems for HVAC and lighting controls, as well as in railway and marine applications where stable auxiliary power is required.

Within our catalog, the main subcategories include standard three-phase control transformers, encapsulated types, and models with integrated fuses or terminal blocks. Key article codes follow a structured format, such as "TCT-3P-400-230-1KVA" indicating a three-phase transformer with 400V primary, 230V secondary, and 1 kVA rating. Other common codes include "CT-3P-480-120-500VA" for 480V to 120V applications. We also offer specialized variants like "TCT-3P-690-400-2KVA" for high-voltage systems. These codes typically include identifiers for power rating, voltage ratio, and mounting type (e.g., "-DIN" for DIN rail mount). Accessories like terminal covers and mounting brackets are available separately.

Partnering with Electric Automation Network ensures access to a vast inventory of three-phase control transformers with real-time pricing and global express shipping. Our team of specialized engineers provides personalized technical support, helping you select the right transformer based on load calculations, voltage requirements, and environmental conditions. Each product includes detailed documentation, including wiring diagrams and efficiency curves. We guarantee fast delivery worldwide, minimizing downtime for your projects. Whether you need a standard unit or a custom solution, our expertise ensures optimal performance and compliance with international standards like IEC and UL.

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Manufacturer Code Reference Catalog Number Description Delivery Price

914799

DTZ0,1(*/*)*

Y7-914799

Three-phase control/isolation/safety transformer, 100VA, non-standard voltage

DTZ0,1(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 0.1 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914800

DTZ0,16(*/*)*

Y7-914800

Three-phase control/isolation/safety transformer, 160VA, non-standard voltage

DTZ0,16(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 0.16 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914801

DTZ0,25(*/*)*

Y7-914801

Three-phase control/isolation/safety transformer, 250VA, non-standard voltage

DTZ0,25(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 0.25 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914802

DTZ0,4(*/*)*

Y7-914802

Three-phase control/isolation/safety transformer, 400VA, non-standard voltage

DTZ0,4(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 0.4 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914803

DTZ0,5(*/*)*

Y7-914803

Three-phase control/isolation/safety transformer, 500VA, non-standard voltage

DTZ0,5(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 0.5 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914804

DTZ0,63(*/*)*

Y7-914804

Three-phase control/isolation/safety transformer, 630VA, non-standard voltage

DTZ0,63(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 0.63 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914805

DTZ1,0(*/*)*

Y7-914805

Three-phase control/isolation/safety transformer, 1000VA, non-standard voltage

DTZ1,0(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 1 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914806

DTZ1,6(*/*)*

Y7-914806

Three-phase control/isolation/safety transformer, 1600VA, non-standard voltage

DTZ1,6(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 1.6 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914807

DTZ2,0(*/*)*

Y7-914807

Three-phase control/isolation/safety transformer, 2kVA, non-standard voltage

DTZ2,0(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 2 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914808

DTZ2,5(*/*)*

Y7-914808

Three-phase control/isolation/safety transformer, 2.5kVA, non-standard voltage

DTZ2,5(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 2.5 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914809

DTZ4,0(*/*)*

Y7-914809

Three-phase control/isolation/safety transformer, 25kVA, non-standard voltage

DTZ4,0(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 4 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914810

DTZ6,3(*/*)*

Y7-914810

Three-phase control/isolation/safety transformer, 6.3kVA, non-standard voltage

DTZ6,3(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 6.3 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914811

DTZ8,0(*/*)*

Y7-914811

Three-phase control/isolation/safety transformer, 8kVA, non-standard voltage

DTZ8,0(*/*)*

Eaton Moeller® series DTZ Three-phase control isolating safety transformer, 8 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914812

DTZ10(*/*)*

Y7-914812

Three-phase control/isolation/safety transformer, 1kVA, non-standard voltage

DTZ10(*/*)*

Three-phase control isolating safety transformer, 10 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914813

DTZ12,5(*/*)*

Y7-914813

Three-phase control/isolation/safety transformer, 1.25kVA, non-standard voltage

DTZ12,5(*/*)*

Three-phase control isolating safety transformer, 12.5 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914814

DTZ16(*/*)*

Y7-914814

Three-phase control/isolation/safety transformer, 1.6kVA, non-standard voltage

DTZ16(*/*)*

Three-phase control isolating safety transformer, 16 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914815

DTZ20(*/*)*

Y7-914815

Three-phase control/isolation/safety transformer, 20kVA, non-standard voltage

DTZ20(*/*)*

Three-phase control isolating safety transformer, 20 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

914816

DTZ25(*/*)*

Y7-914816

Three-phase control/isolation/safety transformer, 2kVA, non-standard voltage

DTZ25(*/*)*

Three-phase control isolating safety transformer, 25 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 18.5 – 1000 V

 		3 View Availability View Price

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