Terminal Blocks Sectional Relay Blocks: Block Type - Terminal Relay; Voltage - Operating - 24VDC; Amps - 3A; Contacts - SPST; AWG Range - 26-14 AWG; Contact Style - Screw Clamp; Model Type - PLC-OSC-24DC/24DC/2-C1D2; Mounting - DIN Rail; Temperature Rating - -20 deg C to 60 deg C; Block Width - 6.2 mm