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Sola HS20F1.5A 1.5KVA 120X240-16/32 BB
HS20F1.5A
Sola HS20F1.5A 1.5KVA 120X240-16/32 BB


 
HS20F1.5A
List Price: $548.42
Our Price: $394.67
Savings: $153.75
Manufacturer: Sola Hevi Duty


Product Code: HS20F1.5A
Qty:

Description Manufacturer's Data Sheet
 

Buck–Boost Transformers

Buck-Boost transformers are small, single phase, dry type distribution transformers designed and shipped as insulating/isolating transformers. They have a dual voltage primary and a dual voltage secondary. These transformers can be connected for a wide range of voltage combinations. The most common use is to buck (lower) or boost (raise)

the supply voltage a small amount, usually 5 to 27%. Buck-boost transformers are in compliance with NEC Article 210.9, Exception 1 when field connected as

an autotransformer.

The major advantages of Buck-boost transformers are their low cost, compact size and light weight. They are also more efficient and cost less than equivalent isolation transformers. When connected as an autotransformer, they can handle loads up to 20 times the nameplate rating. A buck-boost transformer is the ideal solution for changing line voltage by small amounts.


When a buck-boost has the primary and secondary windings connected, per recommended instructions, it becomes an autotransformer. Now, only the secondary windings are transforming voltage and current. The majority of the kVA

load passes directly from the supply to the load. This is the

reason buck-boost transformers can supply a load with a much larger kVA rating than the nameplate indicates.

Low voltage lighting control applications

SolaHD buck-boost transformers are designed to supply power to low voltage lighting circuits, control panels or other systems requiring 12, 16, 24, 32, or 48 Volts. When connected as an insulating transformer (by following the wiring diagram located after the specification tables on the inside of the transformer case), the transformers capacity matches the nameplate kVA rating.

SolaHD buck-boost transformers are also suited for low voltage landscape lighting. They are UL Listed for outdoor service and their compact size makes them the perfect solution for providing power to accent lighting applications. Electrical Connection diagrams are shown at the end of

this section.

Use dimmers on the output of the transformer that are designed and rated for use with magnetic loads. We strongly recommend contacting the dimmer manufacturer for advice on your specific lighting application.

Certifications and Compliances

Listed

- UL 506

- CSA C22.2 No. 66


Accessories

Surge Protective Devices

Active Tracking® Filters

Three phase, buck-boost applications require two or three transformers. Check the “Quantity Required” column of the Three Phase Selection Tables for the exact quantity.

Fusing Buck-Boost Transformers

For determining the correct size of breaker or fuse for a given

range of input or output ampere ratings, refer to Section

450.4, of the National Electric Code (NEC).

Where an overcurrent protection device is required, the electrical connections and selection tables will reference appropriately.

Using the Selection Tables

1. Determine if you are trying to Boost (raise) or Buck (lower) your voltage. Select an input/output voltage combination that comes closest to matching your application from the appropriate single or three phase charts on the following pages.

2. Move across your selected input/output voltage row to the amperage or kVA rating closest to, but greater than the rating required by your load.

3. Reading the top of the column will give you the catalog number of the exact buck-boost transformer you need. See the Specification Tables on the

next page.

4. Connect the transformers according to the diagram indicated. See the Electrical Connections section at the end of this section. Connection diagrams are packed with each transformer.

Selection Steps

1. Input Line Voltage

Measure the supply voltage with a voltmeter.

2. Voltage Required for the Load

Check the load equipment to determine the voltage

requirement.

3. kVA or Ampere Rating of the Load

Find either the load kVA or the load amperage requirements. This information is listed on the nameplate of the load equipment.

4. Frequency

Either 50 or 60 Hz. The frequency of the transformer must match the frequency of the load.

5. Number of Phases

Single or three phase line and load must match.

(A transformer cannot convert single to three phase.) A common application is to make a single phase connection from a three phase supply by using one phase of the three phase supply circuit. Be careful not to overload that phase of the three phase supply. For buck-boost applications the supply must provide load kVA not just the nameplate rating of the buck-boost. Refer to the Selection Tables on the following pages.







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