Model	S-1.5 Micro	S-3 Micro	S-5 Mechanical	S-10 Mechanical
KVA	1.5 KVA	3 KVA	5 KVA	10 KVA
Supply Voltage	240 Single phase	240 Single phase	415 two phase	415 two phase
Out put Voltage	1.5 to 4 V	1.5 to 4 V	2 to 6 V	2 to 6 V
Secondary Current	700 to 950 Amps	700 to 1150 Amps	900 to 1650 Amps	1000 to 2700 Amps
Input Load Current	4 to 7 Amps	4 to 9.5 Amps	9 to 19 Amps	10 to 33 Amps
Welding Range	SWG	SWG	SWG	SWG
Mild Steel	12 to 20 SWG	10 to 20 SWG	6 to 16 SWG	2 to 10 m.m
High carbor	12 to 20 SWG	10 to 20 SWG	6 to 16 SWG	2 to 10 m.m
Copper	14 to 20 SWG	12 to 18 SWG	4 to 16 SWG	2 to 8 m.m
Aluminium	14 to 20 SWG	12 to 18 SWG	4 to 16 SWG	2 to 8 m.m
Draw brass rods	14 to 20 SWG	12 to 18 SWG	4 to 16 SWG	2 to 8 m.m

Model	S-15 Mechanical	S-25 Mechanical	S-35 Mechanical
KVA	15 KVA	25 KVA	35 KVA
Supply Voltage	415 two phase	415 two phase	415 two phase
Out put Voltage	2 to 8.5 V	3 to 9.5 V	3 to 9.5 V
Secondary Current	1150 to 3900 Amps	1450 to 5200 Amps	1550 to 6950 Amps
Input Load Current	10 to 40 Amps	16 to 56 Amps	18 to 56 Amps
Welding Range	SWG	SWG	SWG
Mild Steel	3 to 12 m.m	3 to 18 m.m	4 to 25 m.m
High carbor	3 to 12 m.m	3 to 18 m.m	4 to 25 m.m
Copper	3 to 10 m.m	3 to 15 m.m	3 to 20 m.m
Aluminium	3 to 10 m.m	3 to 15 m.m	3 to 20 m.m
Draw brass rods	3 to 10 m.m	3 to 15 m.m	3 to 20 m.m