411-0071-277 General Purpose Transformer

The 411-0071-277 is a general purpose single-phase encapsulated transformer designed for use in electrical distribution and lighting solutions. Manufactured by Jefferson Electric, it operates at 60 hertz frequency and is suitable for indoor or outdoor applications including industrial and commercial settings. This wall-mount transformer is engineered for reliable voltage transformation from 277 V to 120/240 V, making it a versatile component for wire and cable systems and switchgear supplier applications.

Specifications

• Manufacturer Part #: 411-0071-277
• Frequency: 60 hertz
• Mounting Type: Wall
• Weight: 19 lbs
• Primary Voltage: 277 V
• Secondary Voltage: 120/240 V
• Temperature Rise: 95°C (for 0.050 - 1 KVA), 135°C (for 1.5 - 25 KVA general purpose range)
• Dimensions (inches): Height 10.19, Width 5.06, Depth 4.59
• Wiring Diagram: S277A

Features

• Encapsulated with electrical grade resin for durability
• High quality electrical steel cores
• NEMA 3R-rated enclosure providing protection for indoor/outdoor use
• Heat-cured ASA-61 gray powder coat finish for corrosion resistance
• Large connection compartment with knockouts for ease of wiring and installation
• Quiet operation suitable for flexible installation environments
• Slotted mounting holes for quick and easy wall mounting
• Convenient wall mount design with lifting hooks for units above 5 KVA
• Permanently affixed wiring diagram for installation accuracy
• Built to comply with NEMA, ANSI, UL, and CSA standards

Downloads & Links

• Spec Sheet
• Other 1
• Catalog