Bestact Technical Catalogue - Yaskawa Controls - #9

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9 PRODUCT TYPES LOAD CONTROL SURGE VOLTAGE AT BREAKING OF INDUCTIVE LOADS �FAppliacable scope �EMedium-Capacity Type �ELarge-Capacity Type Note: �–In photo-coupler circuits, R25 type can be used at more than 5V 10mA. �EBreaking AC inductive load �EBreaking DC inductive load Breaking Waveform of Bestact VOLTAGE 0 VOLTAGE 0 CURRENT 0 200V/div 0.2A/div 0.5ms/div CURRENT 0 Breaking Waveform of Conventional Relay Typical Waveforms at Breaking AC Inductive Loads Type R25 AC Power Control DC Power Control AC Relay Control DC Relay Control Electronic Circuit Control 24V 1mA or greater�– 240VAC 120 VA 300,000 115VDC 30W 200,000 24 to 240VAC 10,000,000 24 to 115VDC 5,000,000 5V 1mA Note: �–In photo-coupler circuits, R15 type can be used at more than 5V 10mA. Type R15 AC Power Control DC Power Control AC Relay Control DC Relay Control Electronic Circuit Control 24V 1mA or greater�– 240VAC 240 VA 500,000 115VDC 50W 230VDC 40W 300,000 24 to 240VAC 10,000,000 24 to 230VDC 5,000,000 1V 1mA Load:240VAC, 60Hz Contactor Type Surge Voltage�iV�j NEMA Size0 Sample Bestact Conventional Relays 500 1700 to 2000 NEMA Size2 450 1000 to 1500 NEMA Size4 500 800 to 1200 Load:115VDC Surge Voltage�iV�j Valve Loads I=0.2A ã=130ms Yaskawa’s Relay Type RAP-6G I=27mA ã=25ms Sample Bestact Conventional Relays 400 to 500 Unstable breaking 500 to 600 1500 to 1700 GLOW VOLTAGE SURGE VOLTAGE �i �j 1000V/div 0.1A/div 0.2ms/div �i �j SHOWERING