Struthers-Dunn Relay, Dpdt, 240Vac, 28Vdc, 30A; Contact Configuration Struthers-Dunn 21ACPX-2

The 21ACPX-2 is a DPDT transfer relay rated for 30 A at 120/240 VAC resistive loads and 20 A at 28 VDC resistive loads, with a nominal 120 VAC coil. It features silver alloy contacts, a clear polycarbonate enclosure, and operates with a 2.4 VA coil power consumption. The relay has an operate and release time of 20 ms max, a dielectric strength of 500 Vrms across contacts, and an insulation resistance of 1,000 Mohms min. It supports continuous duty with a temperature range of -34 to 74°C and a mechanical life of 5,000,000 operations. Mounting is via SK-TRF8-BFW-1 socket, and the unit weighs 7.2 oz (205 g).