Panel Mount Solid State Relays For switching AC loads, resistive heaters, small motors: HDA Series; up to 75 amps, up to 660 vac, 4-32 volt dc control input, international green LED indicator, and safety cover HAA Series; up to 75 amps, up to 660 vac, 90-280 volt ac control input, international green LED indicator, and safety cover For switching DC loads, PWM dc loads, small dc motors, test equipment, robotics, battery applications: HDD Series; up to 75 amps dc, up to 600 vdc, 4-32 volt dc control input Din Rail Mount Solid State Relays or Solid State Contactors -- Single Phase DDA Series; Output 25 & 40 amps at 660V AC Single phase input DC, integrated heatsink, LED, Touch safe DAA Series: Output 25 & 40 Amp at 660V AC Single phase input AC, integrated heatsink, LED, Touch safe DDA Series: Output 50, 75 or 100 amps at 660V AC, input DC, autoshutdown on overtemp, semiconductor fuse, integrated heatsink, LED, Touch safe DAA Series: Output 50, 75 or 100 amps at 660V AC Single phase input AC, autoshutdown on overtemp, semiconductor fuse, integrated heatsink, LED, Touch safe C Family Series: Output up to 100 amps, AC control input, integrated heatsink, LEDs, highest density -- power channels every 40mm when installed! C Family Series: Output up to 100 amps, DC control input, integrated heatsink, LEDs, highest density -- power channels every 40mm when installed! Diagnostic ALERT output. Din Rail Mount Solid State Relays or Solid State Contactors -- Three Phase DDA3 Series Output 25-35 amps per leg at 660V AC, DC control input, integrated heatsink, green LED DAA3 Series Output 25-35 amps per leg at 660V AC, AC control input, integrated heatsink, green LED C Family Series: Output up to 100 amps per leg, 2 legs per unit, AC control input, integrated heatsink, LEDs, highest density -- power channels every 40mm when installed! Mini-Din Rail Mounted I/O Modules IO-OAC Series; Output AC: up to 3 amps at 280V; AC control input or DC control input IO-ODC Series; Output DC: up to 3 amps at 60V; DC control input IO-IAC Series; Input AC: Monitor AC inputs IO-IDC Series; Input DC: Monitor DC inputs Accessories Heatsinks and accessories Din rail individual heat sinks Multi zone heat sinks for several SSRs Ultra Power Cooler™ heat sink for best performance MOVs, thermal transfer pads, and more Spare safety covers