E-T-A terminal block is a 7-pin INLINE socket Polarised blade terminal DIN 46244-A6.3-0.8 Up to 16A maximum load Slot for fitting labels symmetrical DIN top-hat rail EN 50022 (35 x 7.5 mm) Designed to be used with the Smart Power Relay E-1048-8I, Thermal-Magnetic Circuit Breakers 3600/3900, Electronic Circuit Protector ESX10