Opto 22 Ssr, Panel Mount, 280Vac, 32Vdc, 25A; Contact Configuration Opto 22 240D25-18

The 240D25-18 is a member of the Opto22 Power Series solid-state relay family, designed for panel mounting and switching 240 VAC loads up to 25 amps with DC control. It features 4,000 volts of optical isolation, zero-voltage turn-on, zero-current turn-off, and an operating temperature range of -40°C to 100°C. The relay includes a built-in snubber for transient protection and is UL recognized, CSA certified, and CE compliant. Terminal torque specifications are 10 in-lb (1.13 N-m) for control terminals and 18 in-lb (2.03 N-m) for field terminals. Thermal resistance from junction to base is 1.2 °C/W with a maximum power dissipation of 1.3 watts at rated current.