Terminal Blocks Sectional Relay Blocks: Block Type - Terminal Relay; Voltage - Maximum Switching - 250VAC/DC; Voltage - Operating - 48VDC; Amps - 20mA; Contacts - 1DPDT; On Delay - 8ms; Off Delay - 10ms; AWG Range - 26-14 AWG; Contact Style - Screw Clamp; Material - Polyamide, Green; Model Type - PLC-RSC- 48DC/21-21; Mounting - DIN Rail, 35mm; Temperature Rating - -40 deg C to 60 deg C; Block Width - 14 mm; Additional Information - Height: 80 mm, Depth: 94 mm, Protection against Polarity Reversal Polarity Protection Diode Operating Voltage Display; Manufacturer Series - PLC