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Model: RS 300 240 25 0
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Manufacturer: electromatic
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Type: 3-Phase AC Solid State Relay (SSR)
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Load Current: 25A per phase
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Load Voltage: 240VAC (typical range 24-480VAC for 3-phase SSRs)
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Control Input: 3-32VDC
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Switching Type: Zero switching - Normally Open (NO)
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Terminals: R-S-T (three-phase output), U-V-W (three-phase load connections)
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Operating Indicator: LED indicator (visible on label)
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Maximum Trigger Current: Approx. 20mA
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Response Time: Max. 10ms (60Hz)
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Ambient Temperature: -20°C to +75°C
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Three-Phase Control: Switches all three phases simultaneously for balanced load control
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Zero-Crossing Switching: Switches ON at zero voltage and OFF at zero current to minimize electrical noise and extend load life
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Solid State Design: No mechanical contacts means silent operation, long life, and high reliability
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Fast Response: Sub-10ms switching speed ideal for precise control applications
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Low Control Power: Wide 3-32VDC input range compatible with PLCs, microcontrollers, Arduino, Raspberry Pi
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High Isolation: 1000MΩ / 500VDC insulation provides excellent electrical isolation
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Compact Design: Space-efficient package for panel or DIN rail mounting
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No EMI: Zero-crossing operation eliminates electromagnetic interference from mechanical contact arcing
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Thermal Protection: Designed for heatsink mounting to ensure reliable operation at rated current
Three-phase solid state relays like the electromatic RS 300 240 25 0 are ideal for controlling three-phase motors, heaters, and industrial equipment. The zero-crossing switching provides smooth startup and shutdown, reducing inrush current and extending equipment life.
