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General Purpose Dry Type 600 Volts and Below

Stainless Steel Enclosed; Non-Ventilated

Class 7400

Sealed Single- and Three-Phase Stainless Steel Enclosed Transformers

Stainless steel enclosures provide better corrosion resistance than standard painted enclosures. Schneider Electric has a complete line of stainless steel transformers to meet demands for extra protection in corrosive environments.

The transformers listed below are built with an epoxy-resin encapsulated core and coil assembly inside of a non-ventilated #316 stainless steel enclosure. Terminals are flexible copper lead wire. When connections are made using an appropriate method, the final transformer installation is virtually impervious to contamination from materials such as acids, food products, organic solvents, salt water, or similar. Transformers are cULus Listed for NEMA 3R indoor or outdoor use.

Ventilated and non-ventilated transformers built using #316 stainless steel enclosures are also available. These are well suited for moderately corrosive locations where enclosure protection and appearance are important. Contact your nearest Schneider Electric sales office for details.

 

kVA	Catalog No.	$ Price	Full Capacity Taps	Degree C Temp. Rise	Weight (lbs) b	Enclosure ab
Single-Phase—240x480 V Primary 120/240 V Secondary 60 Hz; cULus Listed
1	1S1FSS	1274.00	None	115	21	7A
1.5	1.5S1FSS	1778.00	None	115	30	8A
2	2S1FSS	1914.00	None	115	39	9A
3	3S1FSS	2684.00	None	115	60	10A
5	5S1FSS	3880.00	None	115	110	13B
7.5	7S1FSS	4164.00	None	115	135	13B
10	10S1FSS	4764.00	None	115	150	13B
15	15S1FSS	7036.00	None	115	225	15B
25	25S1FSS	9606.00	None	115	300	15B
Single-Phase—480 V Primary 120/240 V Secondary 60 Hz; cULus Listed
3	3S40FSS	2684.00	2–5% FCBN	115	60	10A
5	5S40FSS	3880.00	2–5% FCBN	115	110	13B
7.5	7S40FSS	4164.00	2–5% FCBN	115	135	13B
10	10S40FSS	4764.00	2–5% FCBN	115	150	13B
15	15S40FSS	7036.00	2–5% FCBN	115	225	15B
25	25S40FSS	9606.00	2–5% FCBN	115	300	15B
Three-Phase—480 V Delta Primary 208Y/120 V Secondary 60 Hz; cULus Listed
3	3T2FSS	4116.00	2–5% FCBN	115	120	12C
6	6T2FSS	4924.00	2–5% FCBN	115	145	12C
9	9T2FSS	6072.00	2–5% FCBN	115	234	14C
15	15T2FSS	7726.00	2–5% FCBN	115	300	14C
30	30T2FSS	13022.00	2–5% FCBN	115	660	16C

Additional voltages not listed below are available. Contact your nearest Schneider Electric sales office for details. Stainless steel is painted.

 

NEMA 4X Single-Phase—480 V Primary
120/240 V Secondary 60 Hz

kVA	Catalog No.	$ Price	Full Capacity Taps	Degree C Temp. Rise
1	1S40F4XSS	9720.00	2–5% FCBN	115
2	2S40F4XSS	10380.00	2–5% FCBN	115
3	3S40F4XSS	10816.00	2–5% FCBN	115
5	5S40F4XSS	12332.00	2–5% FCBN	115
7.5	7S40F4XSS	13426.00	2–5% FCBN	115
10	10S40F4XSS	14460.00	2–5% FCBN	115
15	15S40F4XSS	18496.00	2–5% FCBN	115
25	25S40F4XSS	27720.00	2–5% FCBN	115
NEMA 4X Three-Phase—480 V Delta Primary 208Y/120 V Secondary 60 Hz
3	3T2F4XSS	12676.00	2–5% FCBN	115
6	6T2F4XSS	13906.00	2–5% FCBN	115
9	9T2F4XSS	17506.00	2–5% FCBN	115
15	15T2F4XSS	30540.00