Hammond Power Solutions SG3A0225DK Sentinel-G general purpose distribution transformer, 3-phase 225 kVA, 240V delta primary to 480Y/277V wye secondary, aluminum windings, 150°C temperature rise, 220°C insulation class, Type 3R enclosure, 60 Hz, DOE 2016 efficient, CSA and UL listed.

Approval

CSA, UL

BIL

10kV BIL on all 3 phase DOE 2016 product

Certification

UL Listed, CSA Certified

Duty

General duty

Efficiency regulation

DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)

Enclosure dimensions

52in/1321mm(H), 37.5in/953mm(W), 34in/864mm(D)

Enclosure finish

ANSI 61 grey, UL50

Enclosure ground assembly

No

Enclosure IR window

No

Enclosure PN (NPL)

DH5-N3R

Enclosure type

Type 3R / IP24

Frequency

60 Hz (some 50 Hz)

Impedance (std)

3% - 6.5%

Insulation class

220°C

Insulation Class

Standard 150 deg C temperature rise and 220 deg C

Material

Aluminum

Nameplate

HPS standard

Net weight (NPL)

1500 lb / 681 kg, Typically Stocked

Non-linear load (K-factor rating)

General Purpose

Phase

Three phase

Primary BIL

10kV

Primary connection

Delta

Primary FCAN (NPL)

1x5%

Primary FCBN (NPL)

1x5%

Primary termination (NPL)

Mounting pads

Primary voltage

240D

Rating

225 kVA

Ratings

15 to 333 kVA single phase and 15 to 1500 kVA three phase

Secondary BIL

10kV

Secondary connection

Wye-N

Secondary termination (NPL)

Mechanical lugs

Secondary voltage

480Y/277

Seismic compliance

IBC 2018 (Sds=2.0, z/h=0, lp=1.5)

Sentinel general purpose

3ph 225kVA 240V-480Y/277V 60Hz AL

Sound level

55 dBA (NEMA ST-20)

Standard kVA

225

Temperature rise

150°C

Vector configuration

YNd1 (-30°)