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Ordering Information
Circuit Breaker Catalog Numbers
MD 6 Interchangeable Trip ( Unassembled )
2 - Pole
®
Trip Unit
UL Interrupting Ratings ( kA
)
©
(
RMS )
Symmetrical
Amperes
Frame
Only
Complete Breaker
Unenclosed
Instantaneous
Trip Range
Only
Ampere
Rating
Catalog
Number
Catalog
Number
Catalog
Number
240 V AC 480 V AC 600 V AC 250 V
DC
500 V
DC
Min
.
Max
.
25
N / A
MD
62
B
500
MD
62 B 600
MD 62 B 700
MD 62 B 800
MD 62 F 800
MD 62 F 800
MD 62 F 800
MD 62 F 800
MD 62 T 500
MD 62 T 600
MD 62 T 700
MD 62 T 800
65
50
30
500
3000
6000
65
50
25
30
N / A
600
4000
8000
700
65
50
25
30
N
/
A
4000
8000
8000
N / A
800
4000
65
50
25
30
4.5 lb
.
Shipping :
53 lb
.
42.25 lb
.
3 - Pole
500
MD 63 B 500
MD 63 B 600
MD 63 B 700
MD 63 B 800
MD 63 F 800
MD 63 F 800
MD
63 F 800
MD 63 F 800
MD 63 T 500
MD 63 T 600
MD 63 T 700
MD 63 T 800
65
50
25
N / A
25
3000
6000
N
/
A
600
65
50
25
25
4000
8000
50
N / A
25
700
4000
8000
65
25
800
65
50
25
N / A
25
4000
8000
Shipping :
61.5 lb
.
46 lb
.
6.5 lb
.
MXD 6 Non
-
lnterchangeable Trip ( Assembled )
2 - Pole - 3 - Pole ®
3
-
Pole
Complete
Assembled Breaker
UL Intemipting
Ratings ( kA )
®
( RMS ) Symmetrical Amperes
2
-
Pole Complete
Assembled Breaker
Instantaneous
Trip Range
Ampere
Rating
<
D
<
D
Catalog
>
Number
Catalog
Number
Min
.
Max
.
240 V
AC
480 V AC
600 V AC
250 V DC
500 V DC
65
MXD 63 B 500
MXD 63 B 600
MXD 63 B 700
MXD 63 B 800
500
3000
6000
MXD 62 B 500
MXD
62 B 600
MXD 62 B 700
MXD 62 B 800
50
25
30
25
65
600
50
25
30
25
4000
8000
65
700
4000
8000
50
25
30
25
65
800
50
25
4000
8000
30
25
Molded Case
Switch
800
MXD
62 S 800 A
MXD 63 S 800
A
N / A
N
/ A
N / A
N / A
N / A
Shipping
61.5
lb
.
53 lb .
ND 6 Interchangeable Trip ( Unassembled )
2 - Pole ®
Trip Unit
UL Interrupting
Ratings ( kA )
®
(
RMS )
Symmetrical Amperes
Complete Breaker
Unenclosed
Frame
Only
Instantaneous
Trip Range
Only
Ampere
Rating
Catalog
Number
Catalog
Number
Catalog
Number
240 V AC 480 V
AC
600 V AC
Min
.
Max
.
250 V DC 500 V DC
800
8000
ND 62 B 800
ND 62 B 900
ND
62
B
100
ND
62
B
120
ND 62 F 120
ND
62 F 120
ND 62 F 120
ND 62 F 120
MD 62 T 800
ND 62 T 900
ND 62 T 100
ND 62 T 120
65
50
25
N / A
4000
30
N / A
900
5000
10000
10000
10000
65
50
25
30
65
N / A
1000
5000
50
25
30
65
50
25
N / A
1200
5000
30
Shipping :
4.5 lb
.
53 lb
.
42.25 lb
.
3 - Pole
MD 63 T 800
ND 63 T 900
ND 63 T 100
ND 63 T 120
N
/
A
800
8000
ND 63 B 800
ND 63 B 900
ND 63 B 100
ND 63 B 120
ND 63 F 120
ND 63 F 120
ND 63 F 120
ND 63 F 120
65
50
25
25
4000
65
N / A
900
5000
10000
10000
10000
50
25
25
65
50
N / A
1000
5000
25
25
1200
65
50
25
N / A
25
5000
Shipping :
46 lb
.
6.5 lb
.
61.5 lb
.
®
2 - pole available in 3 - pole construction
.
<
D
DC rating based on using 2 - pole circuit breaker
.
(
D
DC rating based on using 3 - pole circuit breaker and wiring connections as shown on page
4
.
@
I
EC interrupting ratings are listed on page 50
.
NOTE : For 50
°
C application replace letter " B
"
in catalog number with the letter
"
M " for ordering purposes
.
If trip unit only is required , replace
the letter
"
T
"
with the letter
"
W " for ordering purposes
.
Place the letter
"
H
"
as a suffix letter
to
the complete catalog number for a
100 % rated circuit breaker
,
( e
.
g
.
: HND
63
B 120 H
)
.
Circuit breaker is a non - interchangeable trip unit device
.
46
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