1440 Series Terminal Base G, Screw clamp base for use with 1440-REX03- 04RG Voted EODS Relay module, Size (WxDxH): 3 875 x 3.75 x 2.25 inches / 98.4 x 95.3 x 57.2 mm, Temperature Range: -20°C to +65°C, Requires Class 2 21.6 to 26.4Vdc Power Supply