SST Terminations

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SST AND QST SPLIT SHEATH INSERTION HEATERS

Terminations

Fig. AS Stainless Steel Armor Cable Lead Protection
Armor cable is the best protection against abrasion or other damage to lead wires. A straight transition adapter with 12" stainless steel armor cable and 14" lead wires is standard. Specify longer length.

Fig. DS Right Angle Stainless Steel Armor Cable Lead Protection
Figure DS shows an SST Insertion Heater with right angle stainless steel armor cable protected leads. Figure DS is for use where spacing is limited and for wiring convenience. 12" cable and 14" overall length leads are standard. Specify longer length.

Fig. FS Flexible Stainless Steel Braided Leads
Figure FS flexible stainless steel braid protects leads from sharp edges. The braided sleeving is virtually as flexible as non-protected leads. 12" stainles steel braid with 14" leads are standard. Specify longer length.

Fig. GS Right Angle Flexible Stainless Steel Braided Leads
Figure GS right angle flexible stainless steel braid protects lead wires from abrasion and are full length flexible at a right angle orientation for installations with limited spacing. 12" stainless steel braid with 14" leads are standard. Specify longer length.

ADAPTOR DIMENSIONS
SST or QST* Diameter	Fig. AS & Gif. FS	Fig. DS & Fig. GS	Cable O.D.**
3/8"	1/2" x 1"	1/2" x 1-1/2"	3/8"
1/2"	5/8" x 1"	5/8" x 1-1/2"	15/32"
5/8"	3/4" x 1"	3/4" x 1-1/2"	15/32"
11/16"	3/4" x 1"	3/4" x 1-1/2"	15/32"
3/4"	7/8" x 1"	7/8" x 1-1/2"	15/32"

* QST (QUAD) N/A in 3/8" Diameter
* Not applicable to Fig. FS or Fig. GS


	Fig. WS Mounting Flange Figure WS is a stop washer or mounting flange. Specify distance from lead end, outside diameter and mounting hole centers, if required.

TOLERANCES AND LIMITATIONS
Nominal Sheath Diamter		3/8"	1/2"	5/8"	11/16"	3/4"
Actual Sheath Diameter (±.003")		.370"	.495"	.620"	.682"	.745"
Minimum Sheath Length		5"	5"	5"	5"	5"
Maximum Sheath Length - SST		72"	120"	120"	120"	120"
Maximum Sheath Length - QST		N/A	60"	60"	60"	60"
Minimum Ohms/inch of EHL	SST	.322	.1892	.0814	.0814	.0814
Minimum Ohms/inch of EHL	QST	--	.593	.395	.395	.395
Maximum Ohms/inch of EHL	SST	10.323	14.956	24.068	24.068	24.068
Maximum Ohms/inch of EHL	QST	--	20.647	29.911	29.911	29.911
Maximum Voltage		240	240	240	240	240
Maximum Amperage	SST	15	30	40	40	40
Maximum Amperage	QST	15	30	30	30	30
Wattage		+5% - 10%
Resistance		-10% +5%
Sheath Length		+3% up to 20"; ±2% over 20"

Fit = maximum inside diameter of hole minus minimum O.D. of sheath
Example: a 3/8" heater in a .375" ± .001" reamed hole would have a .007 fit .376 - .369 = .007

Check the required temperature against the watt density and fit indicated on the graph above.

Ordering Information:

	Catalog number if available
	Nominal diameter
	Sheath length
	SST or QST design
	Wattage and Voltage
	Type of termination
	Lead length if applicable
	Nature of severe application conditions, if applicable

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SST Terminations
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