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Thermal Overload Relays—NEMA Rated

Melting Alloy

Class 9065 / Refer to Catalog 9065CT9701

NEMA-rated Thermal Overload Relays feature:

●	Exclusive One-Piece Thermal Unit

●	Inverse Time Delay Trip

●	Trip Free Reset Mechanism on Types G & S

●	Replaceable Contact Units on Types G & S

Note that the prices shown on this page do not include thermal units. Standard trip thermal units are $14.30 each. 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 and 4 applications.

Table 16.282:

For Separate Mounting—Melting Alloy—600 Volts Maximum, AC or DCa

NEMA Size	Maximum Full Load Current (A)	Open Type for Separate Panel Mounting			For Terminal Block Channel Mounting Order Open Type Relay and Bracket Kit Below
		Left Hand Type	Right Hand Type	$ Price	Type	$ Price
Single Pole Construction (One N.C. Contact)—1 Thermal Unit Required
1 2 3 4 5	25 45 86 133 266	CO1b TO1b UO1b FO1Lb GO11Lb	CO1Rb TO1b UO1b FO1Rb GO11Rb	42.80 47.80 81.00 128.00 518.00	— — — — —	— — — — —
Three Pole Construction (One Common N.C. Contact on Type S Only)—3 Thermal Units Required
1 2 3 4	25  45 86 133	SEO5 SEO8 SEO12 SEO15		86.00 123.00 162.00 257.00	SM2 SM2 — —	23.70 23.70 — —
5	266	Use 3 Type GO11R Relays Listed Above			—	—

a	Maximum power circuit rating for separate mounting overload relays, Types C, F, G, T and U, is 600 Vac or Vdc; Type S is 600 Vac only. Maximum control circuit contact rating for Types C, F, G, T, U and SDO18 is 600 Vac and 250 Vdc; the remaining Type S versions are 600 Vac only

b	Not UL listed.

 

Table 16.283:

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 Size	Type	Series	Number of Poles	Type		$ Price	Number of Thermal Units Required
00	SA	A & B	2 3	SDO4 SDO5		57. 99.	1 3
0	SB	A	2 3–5	SDO4 SDO5		57. 99.	1 3c
1	SC	A	2 3–5	SDO4 SDO5		57. 99.	1 3c
1P	SC	A	2	SDO10		77.	1
2	SD	A	2 3–5	SDO7 SDO8		77. 138.	1 3c
3	SE	A	2 3 4 5	SDO11 SDO12 SDO13 SDO14		95. 176. 176. 176.	1 3 2 3
4	SF	A	3 4 5	SDO15 SDO16 SDO17		276. 276. 276.	3 2 3
5	SG	A	3	SDO18 Series A		518.	1
				Form Y500 and Series B use SEO5		86.	3
6	SH	A & B	3	SEO5		86.	3

c	For 4-pole starters used on two phase systems order two thermal units plus one Class 9998 Type SO31 jumper strap kit for every two starters. Each kit includes two jumper straps.

Table 16.284:

Special Features for Melting Alloy Types

	Form	$ Price
Substitute 1-N.O. isolated alarm contact and 1-N.C. contact per relay. (Type S starters only)e	Y342e	119.
Substitute 2-N.C. contacts for standard N.C. contact per relay. (Type S starters only)	Y344e	119.
Modify Type U relay to accept Type FB quick trip or SB slow trip thermal units. (Accepts Type C standard trip)	Y21d	No Charge
Modify Type SDO12 relays to accept Type FB quick trip or SB slow trip thermal units, and Type F and Type SDO15 relays to accept Type FB quick trip thermal units. (Rejects Type CC standard trip units)	Y81d	No Charge

d	This form cannot be field modified.

e	Field modification possible. Order 9999S04 (for Form Y342) or 9999S05 (for Form Y344).

 

CP1

Discount Schedule

Modified 4/13/08