Full interchangeability between solenoids of different voltages & various kinds of currents standardization permits interchanging of solenoid assemblies based on the environments including intrinsically safe solenoids without affecting the capability of the solenoid valve general purpose flying lead solenoid terminal box solenoid for on, Field mounting plug type Designed for installation on panels explosion proof solenoid for hazardous area suitable to iia, Iib or iic environment new from rotex explosion proof coils with external led intrinsically safe solenoids in eexia insulation class f / class h operating voltage from 6v, 440v in ac50hz, Ac60hz or dc temperature class t4, T5 or t6.