EMS300S24AC 300W Dimmable Outdoor Stainless Steel 24VAC Transformer

EMS300S24AC 300W Dimmable Outdoor Stainless Steel 24VAC Transformer

The EMS300S24AC is a 300W outdoor magnetic transformer designed to provide 24VAC power for compatible low-voltage lighting systems. It uses a stainless steel outdoor enclosure for durable power distribution in landscape and architectural lighting applications.

Why Choose the EMS300S24AC?

✔ 300W Capacity
Provides up to 300W of power for compatible low-voltage lighting loads.

✔ 24VAC Output
Designed around a 24VAC output configuration.

✔ Phase-cut dimmable
Manufacturer specifications identify this model as phase-cut dimmable for compatible dimming applications.

✔ Outdoor NEMA 3R Enclosure
Stainless steel, NEMA 3R construction is intended for outdoor transformer installations.

Electrical Specifications

• Model: EMS300S24AC
• Input Voltage: 120V 60Hz
• Output Configuration: 24VAC
• Output Voltage - No Load: 25.6VAC
• Output Voltage - Fully Loaded: 23.8VAC
• Maximum Wattage: 300W
• Maximum Output Current: 12.5A
• Efficiency: 90%
• Circuit Configuration: Single circuit
• Dimming: Phase-cut dimmable

Construction & Certification

• Enclosure: Stainless steel, NEMA 3R
• Certification: UL 2108 / CSA C22.2 No. 250.0
• Dimensions: 7.5 x 3.09 x 2.88 in

How to Select the 300W 24VAC stainless steel transformer

Choose the EMS300S24AC when a project requires a 300W 24VAC stainless steel transformer and the available supply matches 120V 60Hz. Confirm that every connected fixture accepts 24VAC and that the planned load fits the transformer’s circuit configuration. Its stainless steel NEMA 3R enclosure is intended for outdoor transformer installations.

This is a single-circuit model, so all connected fixture wattage counts toward the listed 300W maximum. The specifications show 25.6VAC at no load and 23.8VAC at full load, giving installers a reference for expected output as the connected load changes. Final transformer location, wiring, circuit protection and code compliance should be reviewed by a qualified installer before the system is energized.

Frequently Asked Questions

What lighting systems can use the EMS300S24AC?
This 300W 24VAC stainless steel transformer is intended for compatible low-voltage landscape or architectural lighting that accepts 24VAC power. The connected load must stay within the listed 300W capacity and 12.5A output-current limit.

Is the EMS300S24AC dimmable?
Yes. The product data lists Phase-cut dimmable. The wall control, transformer and connected fixtures must all be compatible with that dimming method.

Can this transformer be installed outdoors?
Yes. Its stainless steel NEMA 3R enclosure is specified for outdoor transformer installations. Final placement and wiring must still follow the product instructions and applicable electrical requirements.

Compare voltage, capacity, circuit and enclosure options in our low-voltage landscape lighting transformer collection.

Official EMCOD Specification Sheet: Download PDF