QC50YECB - Hammond Power Solutions 500 VA Buck-Boost Transformer 120/240V to 12/24V Single Phase Wall Mount NEMA 3R

QC50YECB

QC50YECB is a 500 VA buck-boost transformer from Hammond Power Solutions designed for voltage adjustment applications.This single-phase transformer features a 120/240 V AC primary voltage and 12/24 V AC secondary voltage, suitable for commercial use. It has a NEMA 3R rated enclosure for outdoor or indoor use, with a durable ANSI 61 UL 50 gray finish. The transformer is wall mountable and encapsulated with electrical grade silica sand and resin compounds for enhanced durability and thermal performance. It uses high-quality copper windings and high permeability silicon steel laminations for efficient power transfer and low losses. The unit operates at 50/60 Hz frequency with insulation rated for 130°C.

• Power rating: 500 VA
• Primary voltage: 120/240 V AC
• Secondary voltage: 12/24 V AC
• Phase: Single phase
• Frequency: 50/60 Hz
• Mounting type: Wall mount
• Enclosure type: NEMA 3R
• Insulation temperature rating: 130°C
• Connection type: Lead wire or copper tabs
• Finish: ANSI 61 UL 50 gray
• Encapsulation: Electrical grade silica sand and resin

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Specifications

• Part Number: QC50YECB
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 1
• Enclosure Grade : Standard
• Duty : General Duty (Suitable For Some Hazardous Locations and Marine ABS Duty)
• Frequency : 60Hz
• Primary Voltage : 277, 240, 208
• Primary Connection : Series (V)
• Primary FCAN (NPL) : None
• Primary FCBN (NPL) : None
• Secondary Voltage : 120/240
• Secondary Connection : Parallel/Series-N (V/2V)
• Material : Copper
• Temperature Rise : 80°C
• Insulation Class : 130°C
• EKVA : 0.5
• Efficiency Regulation : No Efficiency Specification
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 45dBA (NEMA ST-20)
• Impedance (Std) : 1% - 5%
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : NQ2-N3R
• Enclosure Dimensions : 9.3in/237mm(H), 5.06in/129mm(W), 4.56in/116mm(D)
• Nameplate : Standard
• Standard kVA : 0.5
• Vector Configuration : 0°
• Seismic Standard Value : IBC 2018
• OSHPD : Yes
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No
• Primary Termination (Std) : Wire Leads, Wire Leads, Wire Leads

Product Data

• UPC : 803423033316
• GTIN : 00803423033316
• Weight : 15
• Certification : cULus (Class I, Division 2, Groups A,B,C,D and Class I, Zone 2, Group IIC, T3 Hazardous Location), ABS

Documentation and Resources

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