Weidmuller Termoptocouplers

WEIDMÜLLER have developed a family of terminal-sized optocouplers as a space-saving alternative to conventional electromechanical relays, for isolating and adapting signals. The 6mm-wide Termoptomodules are claimed to reduce the space needed in cabinets by up to 80%.


The family of 60 optocouplers accept ten different input signals (5–220V DC and 24–230V AC) and can be supplied with AC or DC outputs (5–48V DC, 0.1A; 5–48V DC, 0.5A; 24–230V AC, 0.1A). Pluggable cross-connectors cut earth and supply voltage connection times. You can choose between screw (clamping yoke) or tool-free, push-in connection, with the latter cutting wiring times by up to 75%.

Until now, electrical signals have been separated using terminal blocks to connect signals and relay couplers. The new, maintenance-free system combines a terminal block and coupler in one module with a claimed MTTF of more than 2,500 years. The wear-free semiconductor switches incorporate protection and suppression circuitry.
The IP20-protected modules, which will operate in temperatures from –20°C to +60°C, have green LED status indicators and accommodate standard WS12/6 MultiCard markers. International approvals, such as CE, are planned.

For further information, please take a look at this flyer

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