Toshiba Electronic Devices & Storage Corporation has obtained US safety standard UL 508 certification for nine of its photorelay products in DIP4 package series.
These certified photorelays can be used in industrial control equipment that requires UL 508 certification, suiting them for use in a wider range of equipment marketed worldwide. These photorelays are also NRN certified.
The UL 508 standard includes stringent standards for parts. Solid state relays (SSR) are one such category of parts, and the resin temperature within an SSR is restricted to 105 ºC (upper limit).
By using Toshiba UL certified products, users can manufacture control equipment compliant with the safety standard and maintain the thermal design margin required for SSRs.
The Key Features of the Photorelays include:
- UL 508 (NRNT) approved
- UL 1577 approved
- Case temperature (max): Tc=105℃
The Major Applications of the device include:
- Industrial equipment (PLC, I/O interface, various sensor control, etc.)
- Building automation systems (heating, ventilation, and air conditioning (HVAC), thermostat, etc.)
- Replacement of mechanical relays (AC24 to 400V system, DC24 to 125V system)
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