SP750NJ - Hammond Power Solutions 750 VA 277V to 120V Control Transformer Open Style

SP750NJ

This transformer features a primary voltage of 277 V and a secondary voltage of 120 V, operating at 50/60 Hz frequency. It is constructed with copper wound coils and high dielectric strength insulation, bolted core construction, and includes molded terminal blocks for secure connections. The unit is vacuum impregnated with polyester resin and oven cured for durability. It is UL, CSA, and CE approved, meeting relevant safety and performance standards.

Key Specifications
• Power Rating: 750 VA
• Primary Voltage: 277 V
• Secondary Voltage: 120 V
• Frequency: 50/60 Hz
• Open Style Core and Coil Construction
• Copper Wound Coils
• Molded Terminal Blocks
• Insulation Class: B
• UL, CSA, CE Certified
• Mounting: Bolt-on Brackets
• Dimensions: Approximately 6.25" W x 5.25" D x 4.37" H

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Specifications

• Part Number: SP750NJ
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 1
• Enclosure Grade : N / A
• Frequency : 50/60Hz
• Primary Voltage : 277
• Primary Connection : Series (V)
• Secondary Voltage : 120
• Secondary Connection : Series (V)
• Material : Copper
• Temperature Rise : 80°C
• Insulation Class : 130°C
• EKVA : 1.11093
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Enclosure Type : Core & Coil
• Nameplate : Standard
• Vector Configuration : 180°
• Seismic Standard Value : IBC 2018
• OSHPD : Yes
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Primary Termination (Std) : Terminal Block



Product Data

• UPC : 803423099268
• Weight : 18
• Certification : CSA, UL, CE



Documentation and Resources

• Engineering Drawing (PDF)
• Brochure
• Hammond Product Application Videos
• Frequently Asked Questions
• Troubleshooting Guide