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Square D EE25S3H - Dry-Type Transformer 25 kVA 480V

Square D
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Square D EE25S3H is a dry-type distribution transformer designed for stepping down voltage in industrial power systems. It operates with a primary voltage of 480V and a secondary voltage of 208Y/120V, supporting a 25 kVA capacity. The unit measures 37 inches in height, 20 inches in width, and 16 inches in depth, weighing 302.001 lb, with a robust enclosure suitable for indoor installations. It complies with REACH Regulation and RoHS standards, ensuring environmental and safety compliance. This transformer is typically applied in commercial and industrial facilities for power distribution to lighting, HVAC, and machinery loads.

Key Features & Specifications
  • Type: Dry-type distribution transformer, copper windings, natural convection cooling
  • Voltage Rating: 480V primary / 208Y/120V secondary
  • Current Rating: 30.1 A primary / 69.4 A secondary (full load)
  • Dimensions: 37 in (939.8 mm) H x 20 in (508 mm) W x 16 in (406.4 mm) D
  • Standards: REACH Regulation, RoHS
  • Applications: Commercial and industrial power distribution for lighting, HVAC, and machinery
  • Switch Type: None (transformer only)
  • Configuration: Delta primary / Wye secondary
  • Coil Voltage Maximum: 480V
  • Temp Rating: 220°C insulation class
  • Shipping Dimensions: 37 in x 20 in x 16 in
  • Phase: 3-phase
  • Voltage: 480V primary / 208Y/120V secondary
  • Amperage: 30.1 A primary / 69.4 A secondary
  • AIC rating: Not applicable (transformer)
  • Connection: Hardwired
  • Poles: 3
  • Protection: Overcurrent protection required externally
  • Functions: Voltage step-down
  • Frame Size: 25 kVA
  • Trip Type: Not applicable
  • Panel Type: Not applicable
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 220°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: 25 kVA
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Class: Dry-type
  • Mounting: Floor or wall mount
  • Hz: 60 Hz
  • Coil Material: Copper
  • Horse Power: Not applicable
  • Aux Contacts: None
  • CPT: None
  • Full Load Amps: 30.1 A primary / 69.4 A secondary
  • Dist Voltage: 208Y/120V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 69.4 A
  • Full Load Amp Minimum: 30.1 A
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 69.4 A
  • Amperage Minimum: 30.1 A
  • Nema Rating: NEMA 1
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: REACH Regulation, RoHS
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Hardwired
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-phase
  • Standards: REACH Regulation, RoHS
  • Compatible Frames: Not applicable
  • Installation Type: Indoor
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 25 kVA
  • Reverse Standoff Voltage: Not applicable
  • Watts: 25,000 VA
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C ambient
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901558934
  • GTIN: 00785901558934