Mains Controlled Flip-Flop Relay, Plug-In 11 Pin Voltage:220V Designed for threaded pipework and
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Mains Controlled Flip-Flop Relay, Plug-In 11 Pin Voltage:220V Designed for threaded pipework andThe A FFR Mains Controlled Flip Flop Relay alternates between two output states each time mains power is applied for 30 seconds or longer and then removed, commonly used to alternate two pumps for duty and standby operation. It is suitable for electricians and pump installers needing simple mains controlled pump alternation without external control wiring. Application: Duty standby pump alternation using mains power switching only Control method:
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