Hammond Power Solutions SK3A0015KB4KF Sentinel K4 3-phase 15 kVA distribution transformer with 480V delta primary and 208Y/120V wye secondary. Copper windings, 220°C insulation system, 115°C temperature rise. Type 3R enclosure for outdoor use. K4-rated for non-linear loads. DOE 2016, NRCAN 2019, NMX 2021 compliant. UL and CSA listed.

Approval

CSA, UL

Duty

General duty

Efficiency regulation

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

Electrostatic shield

Single

Enclosure dimensions

21.88in/556mm(H), 21.5in/547mm(W), 20.12in/512mm(D)

Enclosure finish

ANSI 61 grey, UL50

Enclosure ground assembly

No

Enclosure IR window

No

Enclosure PN (NPL)

DH1-N3R

Enclosure type

Type 3R / IP24

Frequency

60Hz

Impedance (std)

2.5% - 6.5%

Insulation class

220°C

Material

Copper

Nameplate

HPS standard

Net weight (NPL)

210 lb / 96 kg, Typically Built To Order

Non-linear load (K-factor rating)

K4

Phase

Three phase

Primary BIL

10kV

Primary connection

Delta

Primary FCAN (NPL)

2x2.5%

Primary FCBN (NPL)

4x2.5%

Primary termination (NPL)

Mechanical lugs

Primary voltage

480D

Rating

15 kVA

Secondary BIL

10kV

Secondary connection

Wye-N

Secondary termination (NPL)

Mechanical lugs

Secondary voltage

208Y/120

Seismic compliance

OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)

Sentinel K-factor

K4 3ph 15kVA 480V-208Y/120V 60Hz CU

Sound level

45 dBA (NEMA ST-20)

Standard kVA

15

Temperature rise

115°C

Vector configuration

Dyn1 (-30°)