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Consult machine manufacturer or local resistance welding supplier for assistance in selecting
the proper contactor size that fits application.
3.8 CONTACTOR SPECIFICATIONS (cont.)
Figure 3-15. Demand Current vs. Percent Duty Cycle
NOTICE
Ignition tubes for reference only.
SCR Contactors available for EN1000/EN1001 are: 150A, 300A, 1200A,
1800A, 2200A, and 3200A (indicated by arrows).
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Example 1
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Example 2