Ready-to-Install (RTI)—600 Vac, 250 Vdc

Class 4620

QMB Main Lugs and Main Switch Interiors and Accessories

QMB Main Lugs Interiors, Boxes and Fronts

Total Branch Unit

Mounting

Space (Inches)

Ampere

Rating

of Mains

Component Selection

Box Height (inches)

Box Width (inches)

Interior Assembly—3-pole with Main Lugs

Front (4-piece Standard)

Box

Catalog No.

Catalog No.

Catalog No.

60

 225

QMB60902

QM38902TS

QM3890B

90

38

45

 400

QMB45754

QM38756TS

QM3875B

75

45

 600

QMB45756

QM38756TS

QM3875B

45

 800

QMB45908

QM38908TS

QM3890B

90

38

45

1200

QMB459012

QM389012TS

QM3890B

60

 600

QMB60906

QM38906TS

QM3890B

QMB Main Switch Interiors, Boxes and Fronts

Total Branch

Unit Mounting Space
(inches)

Ampere Rating of Mains

Maximum

Voltage (ac)

Component Selection

Box Height (inches)

Box Width (inches)

Interior Assembly—3-pole with Main Switch

Front (4-Piece Standard)

Box

Catalog No.

Catalog No.

Catalog No.

51

200 

240

QMB5190324M

QM38902TS

QM3890B

90

38

45

400  

QMB4590325M

QM38906TS

QM3890B

600

QMB4590326M

51

200 

600

QMB5190364M

QM38902TS

QM3890B

90

38

45

400

QMB4590365M

QM38906TS

QM3890B

600

QMB4590366M

Accessories[1]

Blanks

Solid Neutral Assembly

Height

Catalog No.

Ampere Rating

Catalog No.

1.5

QMB1BLW

 225

QMB2SN

3

QMB3BLW

 400

QMB4SN

6

QMB6BLW

 600

QMB6SN

15

QMB15BLW

 800

QMB8SN

1200

QMB12SN

QMB Branch Circuit Breaker Units 600 Vac

Unit Ampere Rating

Unit Height (Inches)

Catalog No.

[2]

Description

15  –150

6

QMBHW  

[3]

Mounts (1) or (2) 3-pole HDL circuit breakers

150  –225

6

QMBJW  [4]

Mounts (1) 3-Pole JDL circuit breaker

400

7.5

QMB3400LAW   [5]

Includes (1) 3-Pole LAL circuit breaker

QMB Layout Information

Footnotes

  1. Equipment Ground Bar—PK32DGTA
  2. Circuit breakers not included. Order HDL or JDL circuit breakers from Digest..
  3. Order one catalog number S37444 for each circuit breaker.
  4. Order catalog number S37445 with QMBJW.
  5. For trip ratings above 400A, contact your local Schneider Electric sales office.

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