Selectivity Module, For Use With Siemens SITOP Series DC Power Supplies, Mounting Type DIN Rail, Input Voltage 24V DC, Power Rating 960W, Voltage Output 24V DC, Amps 10 per Channel, Peak Amps 40 A, Status Indicator Green LED (Output Switched Through), Red LED (Output Switched Off Due to Overcurrent), Yellow LED (Output Switched Off Manually), Case Material Plastic, Height 3.14 in, Width 2.83 in, Depth 2.83 in, Temp. Range 32 to 140 Degrees F