Miniature Circuit Breakers

Class 500, 600

QO Miniature Circuit Breakers

 

QO™ Circuit Breakers

 

Circuit
Breaker
Type

Plug-on

QO

QO-H

QO-VH

 

QH

QOT

QO-
CAFI

QO-
VHCAFI

QO-
DF

QOVH-
DF

Bolt-on

QOB

QOB-H

QOB-VH

QHB

QOB-
CAFI

QOB-
VHCAFI

QOB-
DF

QOB-
VHDF

Unit Mount

Number of Poles

1

2

3

2

1

2

3

1

2, 3 [1]

1,2

3

1

1, 2

1, 2

1

1

Current Range (A)

10–70

10–200 [2]

10–100

15–100

15–70

15–125

15–100

15–70

15–150

15–30

15–30

15–30

15–20

15–20

15–20

15–20

Interrupting Ratings

UL/CSA

Rating

(kA)

(50/60 Hz)

120 Vac

10

10

10

10

22

22

22

22

22

65

65

10

10

22

10

22

120/240 Vac

10

10

10

10

22

22

22

22

22

65

65

10

10

22

208Y/120

240 Vac [3]

10

10

22

22 [4]

65

277 Vac

480Y/277 Vac

DC Ratings

48 Vdc

5 [5]

5 [5]

5 [5]

60 Vdc

65 Vdc

125 Vdc

250 Vdc

500 Vdc

IEC 60947-2  

(50/60 Hz) [6]

IEC

(Icu)

Special Ratings

CCC

Fed. Specs
W-C-375B/GEN

X

X

X

X

X

X

X

Other Standard

HACR [7]
NOM

HACR [7]

HACR [7]

HACR [7]

HACR [7]

Accessories and Modifications

Shunt Trip [8]

X

X

X

X

X

X

X

X

X [9]

X

X

X

Undervoltage Trip

Auxiliary Switches [8]

X

X

X

X

X

X

X

X

X [9]

X

X

X

X

Alarm Switch [8]

X

X

X

X

X

X

X

X

X [9]

X

X

X

X

Handle Operators

Handle Padlock
Attachment

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Trip System Type

Thermal-magnetic

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Molded Case Switch

X

X

X

Dimensions (1P Unit Mount)

Dimensions
(1P Unit Mount)

in. (mm)

Height

3.5 (89) [1]

4.75 (121)

Width

0.75 (19) [1]

Depth

2.92 (74) [1]

Pages

QO™ and QOU Miniature Circuit Breakers

QO-GFI, QO-EPD, QOU, QOM Miniature Circuit Breakers

  QO Circuit Breakers

QOU Circuit Breakers

QOM1 and QOM2 Main Circuit Breakers

 

Circuit Breaker Type

Plug-on

QO-GFI

QO-
VHGFI

QO-EPD
QO-EPE

Bolt-on

QOB-GFI

QOB-
VHGFI

QOB-EPD
QOB-EPE

QOM1-VH

QOM2-VH

Unit Mount

QOU

QYU [10]

Number of Poles

1

2

3

1

1

2

3

1

2

3

1

2

2

Current Range (A)

15–30

15–60

15–50

15–30

15–30

15–60

15–50

10–100

10–125

10–100

10–30

50–125

100–225

Interrupting Ratings

UL/CSA Rating
(kA RMS)
(50/60 Hz)

120 Vac

10

10

22

10

10

10

10

10

22

22

120/240 Vac

10

10

10

10

10

22

22

208Y/120

10

           

240 Vac [11]

10

10

277 Vac

5

480Y/277 Vac

DC Ratings

48 Vdc

5 [5]

5 [5]

5 [5]

60 Vdc

5 [12]

5 [12]

5 [12]

65 Vdc

125 Vdc

250 Vdc

500 Vdc

IEC 60947-2  
(50/60 Hz)
Icu

240 Vac

415 Vac

Special Ratings

CCC

X [13]

X [13]

X [13]

Fed. Specs W-C-375B/GEN

X

 

X

 

X

X

X

X

X

X

Other Standard

NOM

 

NOM

 

HACR [14]

Accessories and Modifications

Shunt Trip

X [8]

X [8]

X [8]

X [8]

X [8]

Undervoltage Trip

Auxiliary Switches

X

X

X

X

X

X

X

X [8]

X [8]

X [8]

X[8]

Alarm Switch

X

X

X

X

X

X

X

X [8]

X [8]

X [8]

X [8]

Handle Operators

Handle Padlock Attachment

X

X

X

X

X

X

X

X

X

X

X

X

X

Trip System Type

Thermal-magnetic

X

X

X

X

X

X

X

X

X

X

X

X

X

Molded Case Switch

X

X

Dimensions (1P Unit Mount)

Dimensions
(1P Unit Mount)

in. (mm)

Height

4.12 (103)

4.05 (103)

5.09 (129) [15]

5.60 (142) [15]

Width

0.75 (19)

0.75 (19)

5.00 (127) [15]

5.07 (129) [15]

Depth

2.92 (74)

2.92 (74)

3.47 (88) [15]

3.60 (91) [15]

Pages

QO™ and QOU Miniature Circuit Breakers

Low Ampere QOU Miniature Circuit Breakers

See Section 1

note

All circuit breakers on this chart are UL Listed and CSA Certified unless otherwise noted.

HOM Circuit Breakers

 

HOM Circuit Breakers

 

Circuit
Breaker
Type

Plug-on

HOM

HOM-CAFI

HOM-DF

HOM-GFI

HOM-EPD

HOMT

Bolt-on

Unit Mount

Number of Poles

1

2

1, 2

1

1

2

1

2

1

Current Range (A)

15–50

15–200 [2]

15–20

15–20

15–20

15–50

15–20

15–50

15–50 [16]

Interrupting Ratings

UL/CSA

Rating

(kA)

(50/60 Hz)

120 Vac

10

10

10

10

10

10

10

10

10

120/240 Vac

10

10

10

10

10

10

208Y/120

240 Vac [3]

277 Vac

480Y/277 Vac

DC Ratings

48 Vdc

60 Vdc

65 Vdc

125 Vdc

250 Vdc

IEC 60947-2  

(50/60 Hz) [6]

IEC

(Icu)

Special Ratings

CCC

Fed. Specs
W-C-375B/GEN

X

X

X

X

X

X

X

X

X

Other Standard

HACR [17] NOM

HACR [17]

Accessories and Modifications

Shunt Trip [8]

Undervoltage Trip

Auxiliary Switches [8]

Alarm Switch [8]

Handle Operators

Handle Padlock
Attachment

X

X

X

X

X [18]

Trip System Type

Thermal-magnetic

X

X

X

X

X

X

X

X

X

Molded Case Switch

Dimensions (1P Unit Mount)

Dimensions
(1P Unit Mount)

in. (mm)

Height

3.13 (79)

Width

1.00 (25)

Depth

2.98 (76)

Pages

Homeline™ Circuit Breakers

Multi 9, EDB Miniature Circuit Breakers

 

Multi 9™ Circuit Breakers and
Supplementary Protectors

EDB Circuit Breakers

 

Circuit
Breaker
Type

Plug-on

 

Bolt-on

 

EDB

EGB

EJB

Unit Mount

UL 489

C60BP

UL1077

C60SP [19]

C60H-DC

Number of Poles

1

2

3

1

2

3,4

1

2

1

2, 3

1

2, 3

1

2, 3

Current Range (A)

0.5–63

0.5–63

0.5–63

0.5–63

1–63

1–63

0.5–63

0.5–63

15–70

15–125

15–70

15–125

15–70

15–125

Interrupting Ratings

UL/CSA

Rating

(kA RMS)

(50/60 Hz)

120 Vac

14 [20]

14 [20]

14 [20]

14 [21]

14 [21]

14 [21]

25

25

65

65

100

100

120/240 Vac

14 [20]

14 [20]

14 [20]

14 [21]

14 [21]

14 [21]

18

25

35

65

 65

100

240 Vac [11]

14 [20]

14 [20]

14 [20]

14 [21]

14 [21]

14 [21]

18

25

35

65

 65

100

277 Vac

10 [22]

10 [22]

10 [22]

18

18

35

35

 65

 65

480Y/277 Vac

10 [23]

10 [24]

10 [24]

10 [22]

10 [22]

18

35

 65

DC Ratings

48 Vdc

10

5

5

60 Vdc

10

10

20

5

5

65 Vdc

5

5

125 Vdc

10

5

5

250 Vdc

5

5

500 Vdc

5 [25]

IEC 60947-2  

(50/60 Hz)

Icu

240 Vac

10

20

20

10

20

20

20

415 Vac

10

10

 5

 5

10

Special Ratings

CCC

X

X

X

X

X

X

X

X

Fed. Specs W-C-375B/GEN

X

X

X

X

X

X

X

X

X

Other Standard

IEC

HACR

Accessories and Modifications

Shunt Trip

X

X

X

X

X

X

X

X

X [8]

X [8]

X [8]

X [8]

X [8]

X [8]

Undervoltage Trip

X

X

X

X

X

X

X

X

Auxiliary Switches

X

X

X

X

X

X

X

X

X [8]

X [8]

X [8]

X [8]

X [8]

X [8]

Alarm Switch

X

X

X

X

X

X

X

X

X [8]

X [8]

X [8]

X [8]

X [8]

X [8]

Handle Operators

X

X

X

X

X

X

X

X

Handle Padlock Attachment

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Trip System Type

Thermal-magnetic

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Molded Case Switch

Dimensions (1P Unit Mount)

Dimensions
(1P Unit Mount)

in. (mm)

Height

4.05 (103)

3.19 (81)

3.19 (81)

5.66 (144)

Width

0.71 (18)

0.71 (18)

0.71 (18)

1.42 (36)

0.98 (25)

Depth

2.76 (70)

2.76 (70)

2.56 (65)

4.05 (103)

Pages

Multi 9™ Miniature Circuit Breakers

See Section 9

note

All circuit breakers on this chart are UL Listed and CSA Certified unless otherwise noted.

Footnotes

  1. For dimensions for QOB2150VH, QOB3110VH, QOB3125VH and QOB3150VH, see Miniature and Molded Case Circuit Breaker Dimensions
  2. 2P 150–200 A requires 4P width.
  3. See the Supplemental Digest, Section 3 for 3Ø corner grounded systems.
  4. 22 kA @ 240 Vac for 3P only.
  5. 1P and 2P, 10–70 A and 3P 10–60 A only.
  6. See the Supplemental Digest Section 10 for circuit breakers with IEC ratings.
  7. HACR on QO, QOB 1P 10–70 A, 2P 15–100 A, 3P 10–100 A; QOB-VH 1P 15–70 A, 2P 15–125 A, 3P 15–100 A.
  8. Factory-installed option only.
  9. Factory-installed accessories are not available on QOB-VH 2P150 A and 3P 110–150 A.
  10. QYU is a UL 1077 supplementary protector.
  11. For information regarding 3Ø corner grounded systems see the Supplemental Digest, Section 3.
  12. QOU is UL Listed for 60 Vdc per pole 80–100 A, 1P; 80–125 A, 2P; and 70–100 A, 3P.
  13. 15–70 A 1P and 2P, 15–60 A 3P
  14. HACR on QOU 1P and 3P 15–100 A, 2P 15–125 A;
  15. QOM1 and QOM2 dimensions are for 2-pole unit.
  16. HOMT tandem is 30 A maximum. HOMT quad tandem has 20 A maximum on outside poles, and 50 A maximum on the inside poles.
  17. HACR on HOM 1P 15–50 A and 2P 15–100 A.
  18. Handle padlock attachment available for HOMT quad tandem only.
  19. C60 are recognized components per UL 1077.
  20. 14 kA up to 35 A, 10 kA from 40 to 63 A.
  21. 14 kA up to 32 A, 10 kA from 40 to 63 A.
  22. 10 kA up to 32 A, 5 kA from 40 to 63 A.
  23. Up to 35 A.
  24. 10 kA up to 35 A.
  25. 2 poles must be wired in series for 500 Vdc.

Was this helpful?