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> /ac/ae/control/relay/safety/index.jsp?c=search">Safety Relays
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> Cautions For Use
SF-Y Relays Cautions for Use
1.Coil operating power
Pure DC current should be applied to the coil. The wave form should be rectangular. If it includes ripple, the ripple factor should be less than 5%. However, check it with the actual circuit since the characteristics may be slightly different.
2.Coil connection
When connecting coils, refer to the wiring diagram to prevent mis-operation or malfunction.
3.Soldering
When using automatic soldering, the following conditions are recommended
1) Preheating: 120 ℃ 248 ℉, within 120 sec (PC board solder surface)
2) Soldering: 260 ℃±5 ℃ 500 ℉±41 ℉, within 6 sec
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