Schneider Electric NTSDDO0402HK Modicon Edge I/O NTS Digital Output 4Ch 24VDC 500mA Hardened Remote I/O Module

The Schneider Electric NTSDDO0402HK is a Modicon Edge I/O NTS discrete output module kit with 4 transistor outputs at 24 V DC, 500 mA per channel, pre-assembled on its NTSXBA0100H base for severe-environment use. Channels wire in 1, 2 or 3 wires with read-back and over-current diagnostics, covering an extended -40...70 degC range with conformal-coated electronics. It mounts on a DIN rail and connects to Modicon M262 or M580 controllers.

Technical Specifications

Certifications & Standards

• CE
• UKCA
• cULus
• RCM
• EN/IEC 61131-2

Selection Notes

The 500 mA per-channel rating on the NTSDDO0402HK fits small loads such as indicator lamps, interposing relay coils or sensor enable lines; for higher-current actuators the 2 A-per-channel NTSDDO0802K is the correct pick instead. Read-back diagnostics report the actual output state back to the controller, catching a stuck or shorted output that a simple command-echo would miss. The hardened build's conformal coating and -40...70 degC range justify the step up from the standard NTSDDO0402K when the panel is exposed to vibration, condensation or wide ambient swings.