Aliso Viejo, California - American Zettler, Inc. introduces their newest series of three phase (three relays in one package) Solid State Relays. The SG-24F Series has three models switching 10 through 25 amps at up to 440 Vrms with DC inputs, either zero-cross or random turn-on with up to 800 volt blocking, an LED indicator and built in snubbers. These relays have high surge capability and use photo-isolation for high input to output isolation of 4000 Vrms. The SG-24F Series of relays are manufactured to ISO9001 standards for optimum product performance reliability