3H4T2H500S datasheet, PDF - EEWORLD Datasheet

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3H4T2H500S: DescriptionIndustrial Control Transformers 500KVA 480D-208Y K-4 RATED; CategoryPower/power management; File Size337KB，5 Pages; ManufacturerSola/Hevi-Duty; Environmental Compliance

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3H4T2H500S Overview

Industrial Control Transformers 500KVA 480D-208Y K-4 RATED

3H4T2H500S Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Sola/Hevi-Duty
Product Category	Industrial Control Transformers
Shipping Restrictions	Due to size or weight of the product, your shipping charge may increase.
RoHS	Details
Packaging	Bulk
Factory Pack Quantity	1
Unit Weight	2325 lbs

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Ventilated Distribution Transformers

K-Factor Transformers

K-Factor transformers are designed to reduce the heating

effects of harmonic currents created by loads like those

shown in Chart A. The K-Factor rating is an index of the

transformer’s ability to withstand harmonic content while

operating within the temperature limits of its insulating system.

SolaHD K-Factor transformers have UL ratings of K-4, K-13,

and K-20.

The SolaHD K-Factor design is a specialized transformer that

offers these benefits:

• Conductors capable of carrying the harmonic currents

of non-linear loads without exceeding the temperature

rating of the insulation system.

• A transformer design that takes into account the

increase in naturally occurring “stray” losses caused

by non-linear loads. These losses cause standard

transformers to dramatically overheat and substantially

shorten design life.

• A core and coil design that manages the DC flux caused

by triplen harmonics. As these harmonics increase, they

cause additional current to circulate in the delta winding.

This produces a DC flux in the core which leads to core

saturation, voltage instability and overheating.

Features

• Conductors to carry harmonics of a K-rated load

without exceeding insulation temperature ratings

• UL 1561 Listed up to K-20 rated protection

• Rated temperature rise of 150°C, 220°C insulation

• Shielded for quality power

• Basic design takes “stray losses” into account and

functions within safe operating temperatures

• Core and coil design engineered to manage the zero

sequence flux caused by triplen harmonics

• Provides 100% rated current without overheating the

windings or saturating the core

Accessories and Optional Design Styles

• Wall mounting brackets (500 lbs maximum) (Item WB1C)

• Weather Shields (UL Listed/NEMA Type 3R)

• Totally enclosed non-ventilated designs (TENV) (Non UL) *

• Low temperature rise units available

• Open core and coil designs (UL Recognized)

• Copper Wound designs

• Alternate voltages

• Compliant to NEMA TP-1 Standards

* Not all optional designs are UL Listed. Contact Technical Services.

E25872

Certifications and Compliances

•

Listed: E25872

- UL 1561

Chart A: Typical Load K-Factors

Load

K-Factor

Electric discharge lighting .............................................................. K-4

UPS with optional input filter

.......................................................... K-4

Welders ......................................................................................... K-4

Induction heating equipment ......................................................... K-4

PLCs and solid state controls ........................................................ K-4

Telecommunications equipment (e.g.. PBX)

................................. K-13

UPS without input filtering

............................................................ K-13

Multiwire receptacle circuits in general care areas of

health care facilities and classrooms of schools, etc. ................... K-13

Multi-wire receptacle circuits supplying inspection or

testing equipment on an assembly or production line................... K-13

Mainframe computer loads .......................................................... K-20

Solid state motor drives (variable speed drives) ............................ K-20

REPRINTED WITH PERMISSION FROM

EDI MAGAZINE

Contact

Technical Services

(800) 377-4384

with any questions.

Visit our website at www.solahd.com.

209

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