The XN4E-TL403Q4MR is an electronic relay module produced by Idec Corporation. It is a multi-function relay that features 8 input circuits and 4 output circuits and can be used in both industrial and home automation applications. This model features contactless switching, a 40A switching capacity, and a voltage rating of 240V. Its screw terminals ensure easy, secure wiring and the module comes with an LED status indicator for easy troubleshooting. It is UL approved and is rated for IP20 level of protection.