Melting Alloy Overload Relay
Class 9065 / Refer to Catalog 9065CT9701
Melting Alloy Overload Relay Selection
|
Type SEO5 |
|
Type SEO Dimensions |
NEMA style thermal overload relays feature:
-
Exclusive one-piece thermal unit
-
Inverse time delay trip
-
Trip free reset mechanism
-
Replaceable contact units
Note that these overload relays do not include thermal units, which must be ordered and field installed separately. Slow trip (Class 30) and quick trip (Class 10) melting alloy thermal units are available for all Size 1, 2, 5 and 6, and some Size 3 applications.
For Separate Mounting—Melting Alloy—600 V Maximum, AC or DC[1]
|
NEMA Size |
Maximum |
Open Type Left and Right Hand Types |
Open Type Relay
and Bracket Kit |
|---|---|---|---|
|
Type |
|||
|
Three Pole Construction (One Common N.C. Contact on Type S Only)—3 Thermal Units Required |
|||
|
00–1 |
25 |
— |
|
|
2 |
45 |
— |
|
|
3 |
86 |
— |
|
|
4 |
133 |
— |
|
Replacement Melting Alloy Overload Relays for Square D Class 8536 Starters
|
Locate Class 8536 Starter in this Column |
Order Class 9065 Overload Relay from this Column |
|||||
|---|---|---|---|---|---|---|
|
NEMA |
Type |
Series |
Number |
Type |
Number of |
|
|
00 |
SA |
A & B |
2 |
— |
1 |
|
|
3 |
3 |
|||||
|
0 |
SB |
A |
2 |
— |
1 |
|
|
3–5 |
3 [2] |
|||||
|
1 |
SC |
A |
2 |
— |
1 |
|
|
3–5 |
3 [2] |
|||||
|
1P |
SC |
A |
2 |
— |
1 |
|
|
2 |
SD |
A |
2 |
— |
1 |
|
|
3–5 |
3 [2] |
|||||
|
3 |
SE |
A |
2 |
— |
1 |
|
|
3 |
3 |
|||||
|
4 |
2 |
|||||
|
5 |
3 |
|||||
|
4 |
SF |
A |
3 |
3 |
||
|
4 |
— |
2 |
||||
|
5 |
3 |
|||||
|
5 |
SG |
B [3] |
3 |
3 |
||
|
6 |
SH |
A & B |
3 |
3 |
||
Special Features for Melting Alloy Overload Relays
|
Description |
Form |
|---|---|
|
Substitute 1-N.O. isolated alarm contact and 1-N.C. contact per relay. (Type S starters only) [4] |
Y342 |
|
Substitute 2-N.C. contacts for standard N.C. contact per relay. (Type S starters only) [4] |
Y344 |
|
Modify Type SDO12 relays to accept Type FB quick trip or SB slow trip thermal units. (Rejects Type CC standard trip units) [5] |
Y81 |
Approximate Dimensions, NEMA Style Melting Alloy Overload Relays
|
Type |
Dimensions (in.) |
Shipping |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
||
|
SEO5 |
3.31 |
— |
0.47 |
3.97 |
3.53 |
2.81 |
0.22 |
0.69 |
2.31 |
0.5 |
0.5 |
0.5 |
0.84 |
1 |
1.38 |
#10 |
1 |
|
SEO8 |
3.31 |
— |
0.47 |
3.97 |
3.5 |
2.81 |
0.19 |
0.69 |
2.31 |
0.5 |
0.5 |
0.13 |
0.84 |
1 |
1.38 |
#10 |
1.25 |
|
SEO12 |
— |
5.59 |
0.56 |
5.75 |
5.31 |
4.75 |
0.28 |
1.44 |
3.56 |
0.75 |
0.56 |
0.88 |
1.5 |
1.75 |
2 |
#1/4 |
3 |
|
SEO15 |
— |
6.97 |
0.56 |
5.75 |
5.31 |
4.75 |
0.28 |
2.13 |
3.56 |
0.75 |
0.56 |
0.88 |
1.5 |
1.75 |
2 |
#1/4 |
4 |