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Transformers

Transformers are fundamental components in any electrical installation, designed to transfer electrical energy between circuits through electromagnetic induction. In the industrial automation and power distribution sectors, these devices are critical for voltage adaptation, galvanic isolation, and ensuring safety for both personnel and equipment...

Transformers are fundamental components in any electrical installation, designed to transfer electrical energy between circuits through electromagnetic induction. In the industrial automation and power distribution sectors, these devices are critical for voltage adaptation, galvanic isolation, and ensuring safety for both personnel and equipment. Our range includes control transformers for powering control circuits (typically 24V AC/DC), isolation transformers for separating primary and secondary circuits, safety transformers compliant with stringent protection standards, and single-phase transformers with multiple windings for versatile applications. Key technical parameters to consider include rated power (VA/kVA), primary and secondary voltages, frequency (50/60 Hz), insulation class, and degree of protection (IP). These units are manufactured to comply with international standards such as IEC/EN 61558 and IEC/EN 60204, ensuring reliability and efficiency in demanding environments.

Transformers are deployed across a wide spectrum of industrial and commercial applications. They are essential in control panels and switchgear assemblies for stepping down mains voltage to safe control voltages. In automation systems, they provide galvanic isolation to protect sensitive PLCs, drives, and instrumentation from electrical noise and surges. Safety transformers are mandatory in environments requiring extra low voltage (ELV) for operator safety, such as in machine tools, conveyor systems, and lighting circuits. Additionally, isolation transformers are used in medical facilities, data centers, and test laboratories to eliminate ground loops and ensure clean power supply. Their robust construction makes them suitable for installation in distribution boards, motor control centers, and industrial enclosures.

Within this category, we offer several prominent series and subcategories to meet diverse requirements. Key series include the STN series (single-phase control transformers), STI series (isolation transformers), ST series (safety transformers), DTZ series (three-phase transformers), and UTI series (universal transformers). The article codes for these products typically follow a structured format, such as "STN-250" for a 250 VA control transformer or "DTZ-1000" for a 1000 VA three-phase unit, where the numeric suffix indicates the rated apparent power in VA. Other common codes include "STI-500" for a 500 VA isolation transformer and "UTI-160" for a 160 VA universal transformer. These codes allow for quick identification of key specifications like power rating and series type.

Partnering with us ensures you receive genuine, high-quality transformers backed by expert technical support. Our engineers provide personalized assistance for product selection, application guidance, and troubleshooting. We offer real-time pricing and stock availability on our multilingual web portal, along with detailed technical documentation for each article. With express shipping worldwide, we minimize downtime and keep your projects on schedule. Whether you need a standard control transformer or a custom isolation solution, our team is ready to support your electrical and automation needs.

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Manufacturer Code Reference Catalog Number Description Delivery Price

204951

STN0,2(230/230)

Y7-204951

Transformer, control; 200 VA; single Phase; Primary 230 V AC; Secondary 230 V AC

STN0,2(230/230)

Eaton Moeller® series STN Control transformer, 230 V, 0.2 kVA

 		2 View Availability View Price

172883

PSG120F24RM

Y7-172883

Power supply; three-Phase; 400-500 V AC/24 V DC; 5A

PSG120F24RM

Eaton PSG Power supply unit, 3-phase, 400-500VAC/24VDC, 5A

 		3 View Availability View Price

172886

PSG960F24RM

Y7-172886

Power supply; three-Phase; 400-500 V AC/24 V DC; 40A

PSG960F24RM

Power supply unit, 3-phase, 400-500VAC/24VDC, 40A

 		3 View Availability View Price

204940

STN0,1(230/230)

Y7-204940

Transformer, control; 100 VA; single Phase; Primary 230 V AC; Secondary 230 V AC

STN0,1(230/230)

Eaton Moeller® series STN Control transformer, 230 V, 0.1 kVA

 		2 View Availability View Price

172884

PSG240F24RM

Y7-172884

Power supply; three-Phase; 400-500 V AC/24 V DC; 10A

PSG240F24RM

Eaton PSG Power supply unit, 3-phase, 400-500VAC/24VDC, 10A

 		3 View Availability View Price

172887

PSG480B24RM

PSG480B24RM

Buffer module for PSG power supply unit, 20 A

Buffer Module for PSG Power Supply; 20 A

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204934

STN0,06(230/230)

Y7-204934

Transformer control; 60 VA; single Phase; Primary 230 V AC; Secondary 230 V AC

STN0,06(230/230)

Eaton Moeller® series STN Control transformer, 230 V, 0.06 kVA

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172894

PSG480E24RM

Y7-172894

Power supply; single Phase; 100-240 V AC/24 V DC; 20A

PSG480E24RM

Eaton PSG Power supply unit, 1-phase, 100-240VAC/24VDC, 20A

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172890

PSG60N24RP

Y7-172890

Power supply; single Phase; 100-240 V AC/24 V DC; 2.5 A

PSG60N24RP

Power supply unit, 1-phase, 100-240VAC/24VDC, 2.5A

 		3 View Availability View Price

026641

STI0,8(230/230)

Y7-26641

Control transformer, 0.8 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

Transformer control; 800 VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 0.8 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

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026642

STI1,0(230/230)

Y7-26642

Control transformer, 1 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

Transformer, control; 1.0 k VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 1 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

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029968

STI0,06(230/230)

Y7-29968

Control transformer, 0.06 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

Transformer control; 60 VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 0.06 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

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029971

STI0,06(400/24)

Y7-29971

Control transformer, 0.06 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

Transformer control; 60 VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 0.06 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		2 View Availability View Price

029975

STI0,06(400/230)

Y7-29975

Control transformer, 0.06 kVA, Rated input voltage 400± 5 % V, Rated output voltage 230 V

Transformer control; 60 VA; single Phase; Primary: 400 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 0.06 kVA, Rated input voltage 400± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

029976

STI0,1(230/230)

Y7-29976

Control transformer, 0.1 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

Transformer, control; 100 VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 0.1 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

029977

STI0,06(230/24)

Y7-29977

Control transformer, 0.06 kVA, Rated input voltage 230± 5 % V, Rated output voltage 24 V

Transformer control; 60 VA; single Phase; Primary: 230 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 0.06 kVA, Rated input voltage 230± 5 % V, Rated output voltage 24 V

 		2 View Availability View Price

035247

STI0,16(230/230)

Y7-35247

Control transformer, 160VA, 1p, primary 230V, secondary 230V

Transformer control; 160 VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 0.16 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

035248

STI0,2(230/230)

Y7-35248

Control transformer, 200VA, 1p, primary 230V, secondary 230V

Transformer, control; 200 VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 0.2 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

035249

STI0,25(400/24)

Y7-35249

Control transformer, 250VA, 1p, primary 400V, secondary 24V

Transformer control; 250 VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 0.25 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		2 View Availability View Price

035250

STI0,315(400/24)

Y7-35250

Control transformer, 315VA, 1p, primary 400V, secondary 24V

Transformer control; 315 VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 0.315 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		3 View Availability View Price

035251

STI0,4(400/24)

Y7-35251

Control transformer, 400VA, 1p, primary 400V, secondary 24V

Transformer control; 400 VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 0.4 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		2 View Availability View Price

035252

STI0,5(400/24)

Y7-35252

Control transformer, 500VA, 1p, primary 400V, secondary 24V

Transformer, control; 500 VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Control transformer, 0.5 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		2 View Availability View Price

035253

STI0,63(400/24)

Y7-35253

Control transformer, 630VA, 1p, primary 400V, secondary 24V

Transformer control; 630 VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 0.63 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		3 View Availability View Price

035254

STI0,8(400/24)

Y7-35254

Control transformer, 800VA, 1p, primary 400V, secondary 24V

Transformer control; 800 VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 0.8 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		3 View Availability View Price

035255

STI1,0(400/24)

Y7-35255

Control transformer, 1.0kVA, 1p, primary 400V, secondary 24V

Transformer, control; 1.0 k VA; single Phase; Primary: 400 V AC; Secondary: 24 V AC

Eaton Moeller® series STI Control transformer, 1 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V

 		3 View Availability View Price

035256

STI1,3(230/230)

Y7-35256

Control transformer, 1.3kVA, 1p, primary 230V, secondary 230V

Transformer remote control; 1.3 k VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 1.3 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

035257

STI1,6(230/230)

Y7-35257

Control transformer, 1.6kVA, 1p, primary 230V, secondary 230V

Transformer control; 1.6 k VA; single Phase; Primary: 230 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 1.6 kVA, Rated input voltage 230± 5 % V, Rated output voltage 230 V

 		3 View Availability View Price

035258

STI2,0(400/230)

Y7-35258

Control transformer, 2.0kVA, 1p, primary 400V, secondary 230V

Transformer control; 2.0 k VA; single Phase; Primary: 400 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 2 kVA, Rated input voltage 400± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

035259

STI2,5(400/230)

Y7-35259

Control transformer, 2.5 kVA, Rated input voltage 400± 5 % V, Rated output voltage 230 V

Transformer, control; 2.5 k VA; single Phase; Primary: 400 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 2.5 kVA, Rated input voltage 400± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

035260

STI3,0(400/230)

Y7-35260

Control transformer, 3.0kVA, 1p, primary 400V, secondary 230V

Transformer control; 3.0 k VA; single Phase; Primary: 400 V AC; Secondary: 230 V AC

Eaton Moeller® series STI Control transformer, 3 kVA, Rated input voltage 400± 5 % V, Rated output voltage 230 V

 		2 View Availability View Price

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