BUCK-BOOST TRANSFORMERS

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1 Hammond Power Solutions Inc. Page of Buck-boost transformers represent an economical way to both raise supply voltage caused by line drop or equipment demand on the distribution system; or lower voltage caused by increased system voltages due to supply line adjustments. Some loads including lighting and resistive loads, require a stable supply to maintain performance. The detrimental effects of incorrect supply line voltage can cause equipment failure. Key Features: Ratings from 50VA to 5000VA 0/40, 40/480 50/60 Hz frequency Single & three phase UL listed CSA certified 0 year warranty For more information, click one of the links below: Buck-Boost Catalog Section (HTP-08 Catalog Sec. ) Enclosure Drawings, Electrical Diagrams, Termination Details (HTP-08 Catalog Sec. General Info) Buck-Boost Installation Manual (IOMGE Installation Manual) 008 Hammond Power Solutions Inc. All Rights Reserved

4) More efficient 5) 5-0 times increase in kva Disadvantages ) No circuit isolation ) Cannot create a neutral ) KVA and voltages do not match what s on the nameplate kva and voltages.

2 SECTION SECTION Why Use Buck-Boost s? The advantages of using a buck-boost transformer over an equivalent standard isolation transformer are as follows: Advantages ) Used in a variety of applications ) Inexpensive ) Smaller and lighter 4) More efficient 5) 5-0 times increase in kva Disadvantages ) No circuit isolation ) Cannot create a neutral ) KVA and voltages do not match what s on the nameplate kva and voltages. Buck-Boost Application Buck-boost transformers offer an economical solution to the adjustment of line voltages that are slightly above or below normal. When a buck-boost transformer is connected as an autotransformer, only a portion of the load kva is actually transformed. The majority of the load kva is passed directly through to the source. For this reason a buck-boost transformer may be used to supply a much larger load kva than is indicated on the nameplate. Buck-boost transformers can be used to adjust stable voltages only. Fluctuating line voltages should be regulated with a Line Conditioner. Refer to Section 6 for details. BUCK-BOOST STANDARD SPECIFICATIONS 50 to 000 VA 500 to 5000 VA UL Listed File: E5094 File: E5094 CSA Certified File: LR90 File: LR90 Frequency 50/60 Hz 50/60 Hz Insulation System 0 C (80 C rise) 80 C (5 C rise) Standard Design Single Phase, welded core construction Single Phase, welded core construction made with high quality, high permeability made with high quality, high permeability silicon steel laminations. Computer silicon steel laminations. Computer designed coils, accurately wound from designed coils, accurately wound from high quality magnetic wire. high quality copper magnetic wire. Encapsulation All units from 50VA to 5kVA are All units from 50VA to 5kVA are encapsulated with electrical grade silica encapsulated with electrical grade silica sand and resin compounds. sand and resin compounds. Enclosure Type Heavy Duty Encapsulated NEMA Type R Heavy Duty Encapsulated NEMA Type R (optional NEMA 4, 4X and available) (optional NEMA 4, 4X and available) Enclosure Finish ANSI 6 Grey, UL50 ANSI 6 Grey, UL50 Termination Front accessible separate high and Front accessible separate high and low voltage lead wires or copper tabs. low voltage lead wires or copper tabs. Conduit Knock-Outs Side and rear standard on all units. Side and rear standard on all units. Mounting Standard Wall Mounting. Standard Wall Mounting. 70 Hammond Power Solutions Inc. Data subject to change without notice.

3 SECTION Single Phase Specification Tables Group A 0/40 /4 SECTION (Page 49) Width Depth Height (Lbs.) W - Wall 50 QC05ERCB NQ W 00 QC0ERCB NQ W 50 QC5ERCB NQ W 00 QC0ERCB NQ W 50 QC5ERCB NQ W 50 QC5ERCB NQ W 500 QC50ERCB NQ W 750 QC75ERCB NQ W 000 QC0ERCB NQ W 500 QC5ERCF NQ W 000 Q00ERCF NQ W 000 Q00ERCF NQ W 5000 Q005ERCF NQ W Group B 0/40 6/ (Page 49) Width Depth Height (Lbs.) W - Wall 50 QC05ESCB NQ W 00 QC0ESCB NQ W 50 QC5ESCB NQ W 00 QC0ESCB NQ W 50 QC5ESCB NQ W 50 QC5ESCB NQ W 500 QC50ESCB NQ W 750 QC75ESCB NQ W 000 QC0ESCB NQ W 500 QC5ESCF NQ W 000 Q00ESCF NQ W 000 Q00ESCF NQ W 5000 Q005ESCF NQ W Hammond Power Solutions Inc. 78

4 SECTION Three Phase Specification Tables Group B 0/40 6/ SECTION (Page 49) Width Depth Height (Lbs.) W - Wall 50 QC05ESCB NQ W 00 QC0ESCB NQ W 50 QC5ESCB NQ W 00 QC0ESCB NQ W 50 QC5ESCB NQ W 50 QC5ESCB NQ W 500 QC50ESCB NQ W 750 QC75ESCB NQ W 000 QC0ESCB NQ W 500 QC5ESCF NQ W 000 Q00ESCF NQ W 000 Q00ESCF NQ W 5000 Q005ESCF NQ W Group C 40/480 4/48 (Page 49) Width Depth Height (Lbs.) W - Wall 50 QC05DTCB NQ W 00 QC0DTCB NQ W 50 QC5DTCB NQ W 00 QC0DTCB NQ W 50 QC5DTCB NQ W 50 QC5DTCB NQ W 500 QC50DTCB NQ W 750 QC75DTCB NQ W 000 QC0DTCB NQ W 500 QC5DTCF NQ W 000 Q00DTCF NQ W 000 Q00DTCF NQ W 5000 Q005DTCF NQ W Hammond Power Solutions Inc. 80

5 SECTION Single Phase Diagrams Diagram # Diagram # SECTION Diagram # Diagram #4 8 Hammond Power Solutions Inc. Data subject to change without notice.

6 # # # # SECTION Three Phase Diagrams Diagram #5 Diagram #6 SECTION # # Diagram #7 # # Diagram #8 # # # # Diagram #9 Diagram #0 # # # # Diagram # Diagram # # # # # 8 Hammond Power Solutions Inc. Data subject to change without notice.

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