Square D HU363RB 100A DC Disconnect Non-Fusible 3-Pole

Square D HU363RB 100A DC Disconnect Non-Fusible 3-Pole

Model: 053-02357

Price: $499.00 

View Additional Datasheet    


Square D HU363RB 100A DC Disconnect Non-Fusible 3-Pole

The National Electric Code, section 690.15, requires PV arrays to have a disconnecting means to isolate the inverter from the PV power source. Utility grid-tie inverters that utilize PV arrays with voltages above 250 VDC require a 600 VDC rated disconnect to perform this function. For inverters that do not include a DC disconnect, one of these can be used. The Square-D 600 VDC 30, 60, and 100 A 3-pole safety switches are rated by the factory to handle one 600 VDC circuit per pole. The 30 A switch is rated for 15 A Isc for non-fused and 12.8 A Isc for fused. The 60 A switch is rated for 48 A Isc for non-fused and 38 A Isc for fused. The 100 A switch is rated for 80 A Isc for non-fused and 64 A Isc for fused. They can be used for disconnecting up to 3 PV arrays for 3 grid-tie inverters. All of the Square-D 600 VDC disconnects are rated for disconnecting one circuit at full rated power using 2 poles in series.

Many utilities require an AC disconnect between a grid-tie inverter and the AC load center, close to the AC service entrance, and with a visible and lockable handle. A 30 A /240 V disconnect works for up to 5 kW at 240 VAC and the 60 A disconnect works for up to 11 kW. Use an AC load center to connect multiple inverters to a single disconnect. The breakers can be back-fed with the inverter outputs and the load center main lugs will handle the combined outputs to be connected to the AC disconnect. Use Class R fuses of the proper voltage and amperage for fused disconnects. 600 V fuses will not fit into 240 V disconnects, and 250 VAC/125 VDC fuses will not fit into 600 V disconnects.


Square-D Disconnects

Amps AC /DC Fused Poles Neutral
kit
Ground
kit
Dimensions
L" x W" x H"
Weight
(lbs)
Model Item code

600 VAC or DC 3-Pole NEMA 3R heavy duty switches

30

Yes

No

SN03

GTK03

14.88 x 6.63 x 4.88

9.3

HU361RB

053-02312

30

Yes

Yes

SN03

GTK03

14.88 x 6.63 x 4.88

9.8

H361RB

053-02313

60

Yes

No

SN0610

GTK0610

17.50 x 9 x 6.38

16

HU362RB

053-02339

60

Yes

Yes

SN0610

GTK0610

17.50 x 9 x 6.38

16

H362RB

053-02341

100

Yes

No

SN0610

GTK0610

21.25 x 8.50 x 6.38

24

HU363RB

053-02357

100

Yes

Yes

SN0610

GTK0610

21.25 x 8.50 x 6.38

24

H363RB

053-02355

200

Yes

No

SN20A

PKOGTA2

29.25 x 17.25 x 8.50

44

HU364RB

053-02364

200

Yes

Yes

SN20A

PKOGTA2

29.25 x 17.25 x 8.50

--

H364NRB

053-02366

400

Yes

Yes

included

PKOGTA2

50.31 x 27.88 x 10.13

--

H365NR

053-02407

800

Yes

Yes

included

PKOGTA7

69.13 x 36.62 x 17.75

--

H367NR

053-02408

1200

Yes

Yes

included

PKOGTA8

69.13 x 36.62 x 17.75

--

H368NR

053-02409

¹ Uses 2 poles in series for 600VDC, except as a PV disconnect, where all 3 poles may be each be used for 600VDC at full amp rating.
² Uses 2 poles in series for 600 VDC, except as a PV disconnect, where all 3 poles may each be used for 600 VDC at full amp rating.
³ Uses 2 poles (and 2 fuses) in series for 600VDC.

240 VAC / 125 VDC¹ NEMA 3R heavy duty switches

30

Yes

Yes

3

included

GTK03

14.88 x 6.63 x 4.88

9.8

H321NRB

053-02315

60

Yes

Yes

3

included

GTK03

14.88 x 6.63 x 4.88

10

H322NRB

053-02336

100

Yes

Yes

3

included

GTK0610

21.25 x 8.50 x 6.38

19

H323NRB

053-02351

200

Yes

Yes

3

included

PKOGTA2

29.25 x 17.25 x 8.50

43

H324NRB

053-02363

¹ Switches are rated for 250VDC but available fuses are only rated for 125VDC.

240-volt AC Only NEMA 3R general duty switches

30

AC only

No

2

SN20A

PK3GTA1

9.63 x 7.25 x 3.75

4.4

DU221RB

053-02318

30

AC only

Yes

2

included

PK3GTA1

9.63 x 7.25 x 3.75

4.5

D221NRB

053-02326

30

AC only

No

3

SN20A

PK3GTA1

9.63 x 7.25 x 3.75

4.7

DU321RB

053-02319

30

AC only

Yes

3

included

PK3GTA1

9.63 x 7.25 x 3.75

5.1

D321NRB

053-02329

60

AC only

Yes

2

included

GTK03

14.88 x 6.63 x 4.88

9.7

D222NRB

053-02334

60

AC only

No

3

SN20A

PK3GTA1

9.63 x 7.25 x 3.75

5

DU322RB

053-02342

60

AC only

Yes

3

included

GTK03

14.88 x 6.63 x 4.88

9.8

D322NRB

053-02343

100

AC only

Yes

2

included

GTK0610

17.50 x 8.50 x 6.50

16

D223NRB

053-02358

100

AC only

No

3

SN0610

GTK0610

17.50 x 8.50 x 6.50

15

DU323RB

053-02359

100

AC only

Yes

3

included

GTK0610

17.50 x 8.50 x 6.50

16

D323NRB

053-02361

200

AC only

Yes

2

included

PKOGTA2

29.25 x 17.25 x 8.25

29

D224NRB

053-02371

200

AC only

Yes

3

included

PKOGTA2

29.25 x 17.25 x 8.25

30

D324NRB

053-02372


Square-D Disconnect Accessories


These conduit hubs connect conduit or a kWh meter socket to the top of the disconnect. The neutral and ground busbars are used to land these conductors in the disconnect switch box. Appropriate busbars for each disconnect are identified in the tables above.


Neutral and ground accessories Item code

SN03 Neutral busbar

053-02389

SN0610 Neutral busbar

053-02381

SN20A Neutral busbar

053-02383

GTK03 Ground busbar

053-02387

PK3GTA1 Ground busbar

053-02395

GTK0610 Ground busbar

053-02386

PKOGTA2 Ground busbar

053-02388

PKOGTA7 Ground busbar

053-02385

PKOGTA8 Ground busbar

053-02384

Conduit hubs Item code

Top mount hub 3/4"

053-02305

Top mount hub 1"

053-02306

Top mount hub 1-1/4"

053-02307

Top mount hub 1-1/2"

053-02308

Top mount hub 2"

053-02309

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