The Schneider Electric Expansion Module is equipped with 4 safety relay outputs, including diagnostic output, and features backplane connection with spring terminals. With a maximum power dissipation of 3 W, the module is designed for efficiency and reliability. The integrated connection type is through the backplane expansion bus. Operating at a switching voltage of 10 V DC, the module has an associated fuse rating of 3.5 A slow blow. The output type consists of 4 Normally Open circuits, all volt free relays. Each set includes 1 module, and the switching time is swift at 12 ms.PVC freeMercury freeRoHS compliantGreen Premium product20000000 cycles electrical durability20000000 cycles mechanical durability