8-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ FTDI Chipset & 15kV ESD Surge Protection - Coolgear
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8-Port Industrial USB 2.0 to RS-232 DB-9 Adapter High-Speed FTDI Chip - Coolgear
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Jadeshay Power Off Delay Timer Relay, 0-30s Knob Control Time Relay with Base AC 220V ST3PF Automatic Switch Circuit Conversion Circuit Security Protection Consumer Unit : Amazon.co.uk: DIY & Tools