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Single Phase Main Breaker Load Centers

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Ambient Air Temperature For Operation

23 °F (-5 °C) || 104 °F (40 °C) (16)

Bar Length

3.78 in (96 mm) (1)

4.69 in (119 mm) (1)

6.57 in (167 mm) (1)

8.11 in (206 mm) (1)

Box Number

10 (2)

12 (1)

2 (1)

8 (1)

Brand

Schneider Electric (1)

Square D (31)

Busbar Material

Copper (4)

Tin plated aluminium: busbar (8)

Tin plated copper (1)

Tin plated copper busbar (1)

Certifications / Standards

CSA (4)

CSA || UL listed (1)

CULus (8)

CULus || CSA (1)

UL listed (2)

UL listed || CSA (1)

Cover Type

Combination flush/surface cover (3)

Order separately (4)

Surface cover (9)

Current Rating

100 A (6)

125 A (1)

200 A (2)

200 A || 60 A (1)

225 A (5)

30 A (2)

60 A (1)

70 A (2)

Depth

0.7 in (17.78 mm) (3)

1.21 in (30.73 mm) (1)

2.95 in (75 mm) (1)

3.11 in (79 mm) (1)

3.31 in (84 mm) (1)

3.7 in (93.98 mm) (1)

3.74 in (95 mm) (9)

3.94 in (100 mm) (1)

4.02 in (102 mm) (2)

Electrical Connection

Lugs (13)

Enclosure Rating

NEMA 1 for indoor (4)

NEMA 1 indoor (9)

NEMA 3R for outdoor (3)

Enclosure Type

Weatherproof enclosure (3)

Eu Rohs Directive

Compliant (27)

Pro-active compliance (Product out of EU RoHS legal scope) (5)

Green Premium Status

Green Premium product (7)

Ground Bar

Grounding bar (ordered separately) (16)

Height

12.48 in (317 mm) (2)

12.56 in (319 mm) (3)

12.99 in (330 mm) (1)

17.91 in (455 mm) (2)

20.91 in (531 mm) (1)

22.13 in (562.10 mm) (1)

29.12 in (739.65 mm) (1)

29.84 in (758 mm) (2)

3.06 in (77.72 mm) (1)

38.0 in (965.20 mm) (1)

38.50 in (978 mm) (1)

39.18 in (995.17 mm) (1)

39.37 in (1000 mm) (1)

6.57 in (167 mm) (1)

9.17 in (233 mm) (1)

9.29 in (236 mm) (1)

Housing Material

Welded galvannealed steel (2)

Welded sheet steel (8)

Length Of Segment

3.15 in (80 mm) (4)

Load Center Type

Fixed Mains (lugs) (9)

Main Breaker (3)

Main lugs (4)

Marketing Trade Name

QO (24)

Max Short Circuit Current Rating

10 kA (11)

65 kA (1)

Maximum Number Of Single Pole Circuits

2 (3)

20 (1)

24 (1)

3 (1)

30 (1)

36 (2)

4 (1)

42 (1)

6 (2)

8 (2)

80 (1)

Maximum Number Of Tandem Breakers

0 (13)

Mercury Free

Yes (32)

Mounting

Direct mounting back of enclosure (4)

Nominal Voltage

120/240 V AC (14)

208Y/120 V AC || 240/120 V delta AC || 240 V delta AC (1)

Number Of Connectors

12 (1)

18 (1)

23 (1)

27 || 26 (1)

9 (1)

Number Of Phases

1 phase (11)

3 phases (5)

Number Of Spaces

14 (1)

2 (3)

20 (1)

22 (1)

24 (2)

3 (1)

30 (2)

34 (1)

4 (1)

40 (1)

41 (1)

42 (2)

6 (2)

8 (2)

Product Compatibility

For indoor loadcentre (3)

Provided Equipment

2 screw (4)

Range Of Product

QO (8)

Reach Free Of Svhc

Yes (28)

Surface Finish

Baked enamel grey (8)

Tightening Torque

20 lb.in, AWG 14...AWG 10, copper || 20 lb.in, AWG 12...AWG 10, aluminum || 35 lb.in, AWG 6...AWG 4 (1)

3 N.m (1)

30 lb.in || Mounting screw 30 lb.in || 20 lb.in, AWG 14...AWG 10, copper || 20 lb.in, AWG 12...AWG 1 (3)

50 lb.in, AWG 6...AWG 2/0 (1)

Cover 2.3 N.m (3)

Cover: 20 lb.in (4)

Main lugs 250 lb.in, AWG 4...250 kcmil, aluminum/copper || Cover: 20 lb.in (3)

Main lugs 40 lb.in, AWG 8, aluminum/copper || Main lugs 45 lb.in, AWG 6...AWG 1, aluminum/copper (1)

Main lugs 50 lb.in, AWG 4...AWG 2/0, aluminum/copper || Cover: 20 lb.in (1)

Main lugs 50 lb.in, AWG 6...AWG 1, aluminum/copper (1)

Main lugs 50 lb.in, AWG 8, aluminum/copper || Main lugs 50 lb.in, AWG 6...AWG 1/0, aluminum/copper (2)

Main lugs: 35 lb.in, AWG 12...AWG10, aluminium/copper (1)

Main lugs: 35 lb.in, AWG 14...AWG 10, aluminium/copper || Main lugs: 50 lb.in, AWG 3...AWG 1, alumin (1)

Toxic Heavy Metal Free

Yes (32)

Type

Door kit (1)

Load Centre Neutral Bar (4)

Loadcentre (13)

Loadcentre Cover (3)

Loadcentre Filler Plate (1)

Loadcentre Grounding Bar (2)

Loadcentre Grounding Bar Assembly (3)

Loadcentre Insulator Kit (1)

Loadcentre Lock Kit (1)

Panel (3)

Warranty

18 months (19)

Width

1.9 in (48.26 mm) (1)

14.2 in (360.68 mm) (1)

14.25 in (362 mm) (6)

15.31 in (389 mm) (1)

15.44 in (392.18 mm) (3)

3.70 in (94 mm) (1)

4.69 in (119 mm) (1)

4.76 in (121 mm) (1)

5.75 in (146 mm) (1)

8.78 in (223 mm) (2)

8.90 in (226 mm) (3)

Wire Size

AWG 10...AWG 6 copper (1)

AWG 12...AWG 10 aluminium || AWG 14...AWG 10 copper (1)

AWG 14...AWG 10 copper || AWG 12...AWG 10 aluminium || AWG 8 aluminum/copper || AWG 6...AWG 4 alumin (1)

AWG 14...AWG 4 copper || AWG 12...AWG 4 aluminum (3)

AWG 4...250 kcmil aluminum/copper (2)

AWG 4...300 kcmil aluminium/copper (1)

AWG 4...AWG 2/0 aluminum/copper (1)

Wiring Configuration

3-wire (8)

3-wire || 4-wire (1)

4-wire (4)

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Single Phase Main Breaker Load Centers

Single Phase Main Breaker Load Centers

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QONK3

Loadcentre accessory, QO, extention kit, neutral, 34 port, set of 2

QONK4

Loadcentre accessory, QO, extention kit, neutral, 41 port, set of 2