Terminal box junction box with terminal block din rail copper busbar Material: PA: Polyamide 66, UL94 V2 grade, good insulating property, resist dissolve, resist heat, inflaming retarding. Working temperature: -40C to 110C PC: Polycarbonate, UL94V0 grade, acid resistant, resist heat, oil proof, inflaming retarding, intolerance UV light. Working temperature: -35C to 120C Brass bar, Iron screw plated znic Voltage: 250-450V Color: blue color as standard