QMB/QMJ Fusible Panelboards Switch Units
Refer to Catalog 4620CT9601
For QMB/QMJ Panelboards and Switchboards
QMB Branch Switch Units
Unit Ampere Rating |
Unit Height (In.) |
Catalog Number |
Class R Fuse Kits |
Electrical Interlock Kit |
Horsepower Ratings [1] |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. Kits Req’d. |
Catalog Number |
Catalog Number [2] |
240 Vac |
480 Vac |
600 Vac |
250 Vdc |
||||||||||||
Std. |
Max. |
Std. |
Max. |
Std. |
Max. |
|||||||||||||
1Ø |
3Ø |
1Ø |
3Ø |
1Ø |
3Ø |
1Ø |
3Ø |
1Ø |
3Ø |
1Ø |
3Ø |
|||||||
2-pole, 240 Vac, 250 Vdc |
||||||||||||||||||
30 A-30 A |
4.5 |
2 |
QMB300EK (1 or 2) |
1.5 |
3 |
3 |
7.5 |
— |
— |
— |
— |
— |
— |
— |
— |
5 |
||
30 A-Blank |
1 |
— |
— |
— |
— |
— |
— |
— |
— |
5 |
||||||||
60 A-60 A |
QMB300EK (1 or 2) |
3 |
7.5 |
10 |
15 |
— |
— |
— |
— |
— |
— |
— |
— |
10 |
||||
60 A-Blank |
— |
— |
— |
— |
— |
— |
— |
— |
10 |
|||||||||
100 A-100 A |
6 |
QMB610EK (1 or 2) |
7.5 |
15 |
15 |
30 |
— |
— |
— |
— |
— |
— |
— |
— |
20 |
|||
100 A-Blank |
— |
— |
— |
— |
— |
— |
— |
— |
||||||||||
200 A |
9 |
QMB200EK (1 or 2) |
— |
25 |
15 |
60 |
— |
— |
— |
— |
— |
— |
— |
— |
40 |
|||
400 A |
15 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
9 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
600 A |
Use 3-pole devices for 2-pole application. |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||||
3-pole, 240 Vac |
||||||||||||||||||
30 A-30 A |
4.5 |
2 |
QMB300EK (1 or 2) |
— |
3 |
— |
7.5 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||
30 A-Blank |
1 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
60 A-60 A |
— |
7.5 |
— |
15 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||||
60 A-Blank |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||||||
100 A-100 A |
6 |
QMB610EK (1 or 2) |
— |
15 |
— |
30 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
100 A-Blank |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||||||
200 A |
9 |
QMB200EK (1 or 2) |
— |
25 |
— |
60 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
400 A |
15 |
— |
— |
50 |
— |
125 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
9 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
600 A |
15 |
1 |
— |
— |
75 |
— |
150 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||||
800 A |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
2-pole, 600 Vac, 250 Vdc[5] |
||||||||||||||||||
30 A-30 A |
4.5 |
1 |
QMB300EK (1 or 2) |
1.5 |
— |
3 |
— |
3 |
5 |
7.5 |
15 |
3 |
— |
10 |
— |
5 |
||
30 A-Blank |
— |
— |
— |
— |
||||||||||||||
60 A-60 A |
QMB610EK (1 or 2) |
3 |
— |
10 |
— |
5 |
15 |
20 |
30 |
10 |
— |
25 |
— |
10 |
||||
60 A-Blank |
— |
— |
— |
— |
||||||||||||||
100 A-100 A |
6 |
2 |
7.5 |
— |
15 |
— |
10 |
25 |
30 |
60 |
15 |
— |
40 |
— |
20 |
|||
100 A-Blank |
1 |
— |
— |
— |
— |
— |
— |
— |
— |
|||||||||
200 A |
9 |
QMB200EK (1 or 2) |
15 |
— |
— |
— |
25 |
50 |
50 |
125 |
30 |
— |
50 |
— |
40 |
|||
400 A |
Use 3-pole devices |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
600 A |
||||||||||||||||||
3-pole, 600 Vac, 250 Vdc[5] |
||||||||||||||||||
30 A-30 A |
4.5 |
1 |
QMB300EK (1 or 2) |
— |
3 |
— |
7.5 |
— |
5 |
— |
15 |
— |
7.5 |
— |
20 |
— |
||
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
20 |
5 |
||||
30 A-Blank |
1 |
— |
3 |
— |
7.5 |
— |
5 |
— |
15 |
— |
7.5 |
— |
20 |
— |
||||
60 A-60 A |
6 |
QMB610EK (1 or 2) |
— |
7.5 |
— |
15 |
— |
15 |
— |
30 |
— |
15 |
— |
50 |
— |
|||
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
10 |
||||
60 A-Blank |
1 |
— |
7.5 |
— |
15 |
— |
15 |
— |
30 |
— |
15 |
— |
50 |
— |
||||
60 A-30 A |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||||
100 A-100 A |
7.5 |
2 |
— |
15 |
— |
30 |
— |
25 |
— |
60 |
— |
30 |
— |
75 |
— |
|||
6 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
20 |
|||
100 A-Blank |
7.5 |
1 |
— |
15 |
— |
30 |
— |
25 |
— |
60 |
— |
30 |
— |
75 |
— |
|||
6 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
20 |
|||
100 A-30 A |
7.5 |
1 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
100 A-60 A |
||||||||||||||||||
200 A |
9 |
1 |
QMB200EK (1 or 2) |
— |
25 |
— |
60 |
— |
50 |
— |
125 |
— |
60 |
— |
150 |
— |
||
200 A-200 A |
7.5 |
— |
— |
QMB610EK (1 or 2) |
— |
25 |
— |
60 |
— |
50 |
— |
125 |
— |
60 |
— |
150 |
40 |
|
200 A-Blank |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||||
400 A[6] |
15 |
1 |
— |
— |
— |
— |
— |
— |
100 |
— |
250 |
— |
125 |
— |
350 |
50 |
||
400 A |
9 |
— |
— |
QMB200EK (1 or 2) |
— |
50 |
— |
125 |
— |
100 |
— |
250 |
— |
125 |
— |
350 |
50 |
|
400 A[6] |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|||
600 A [6] |
15 |
1 |
— |
— |
— |
— |
— |
— |
150 |
— |
400 |
— |
250 |
— |
500 |
— |
||
600 A |
— |
— |
— |
— |
75 |
— |
150 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||
800 A |
— |
— |
— |
— |
— |
— |
— |
150 |
— |
400 |
— |
250 |
— |
500 |
— |
|||
noteSee the Supplemental Digest for merchandised motor starter units,
QMB RTI panelboards, and replacement switches for Series 1–4
and D2 QMB panelboards.
noteFor series E1 and E2, QMJ switches
may be used in 400 A–1200 A interiors in a NEMA 1 without door
only. QMJ switches cannot be used in series E1 and E2, 225 A panelboards.
QMJ switches cannot be used in NEMA 1 with door or any NEMA 3R/12
enclosure.
|
Fusible—600 Vac, 250 Vdc
Available QMB Accessories
Electrical Interlocks |
|||||
1 NO and 1NC Electrical Interlocks on Main Switches | |||||
2NO and 2NC Electrical Interlocks on Main Switchs | |||||
Equipment Ground Bars |
|||||
Standard Ground Bar | |||||
Copper Ground Bar | |||||
Insulated/Isolated Ground Bar | |||||
Name Plates |
|||||
Copper Neutral |
|||||
Copper Neutral | |||||
125-400A | |||||
600A | |||||
800A | |||||
Enclsoure Modifications |
|||||
Hinged Trim | |||||
Weatherproof - NEMA 3R | |||||
Lugs |
|||||
Mechanical Lugs - Standard | |||||
Copper Mechanical Lugs | |||||
Copper Compression Lugs | |||||
Aluminum Compression Lugs | |||||
VCEL Lugs | |||||
UL Listed Short Circuit Ratings for QMB Starters |
|||||
Starter Size |
Fusible switch-600V Max. |
Thermal-Magnetic Bircuit Breaker 600V Max. |
|||
0 | 100,000 | 5,000 | |||
1 | 100,000 | 5,000 | |||
2 | 100,000 | 5,000 | |||
3 | 100,000 | 5,000 |
Common Features
QMB Layout Information
To maximize the quantity of branch switches, use QMJ switches from QMB/QMJ Panelboards and Switchboards. Class J fuses are available in time delay construction suitable for motor and transformer loads.
I-Line™ Panelboard Split Bus Bars
Ampacity |
Additional Mounting
Height |
---|---|
Split Bus |
|
225 A |
7.5 in. |
400 A |
9 in. |
600 A |
12 in. |
800 A |
12 in. |
1200 A |
18 in. |
noteFor applications with main circuit breaker panelboards, contact your local Schneider Electric representative or distributor. |