Wago has expanded its line of TopJob S power distribution terminal blocks with a new 4-gauge input featuring a 0.5-in compact design that significantly reduces its footprint on the DIN rail. The 2216 and 2016 Series are UL-1059 certified and rated for 70 A/600 V applications. Other benefits include a built-in meter lead test port for touch-safe troubleshooting, molded conductor entry markings for easy identification and compatibility with 2004 Series TopJob S push-in jumper bars for scalable connectivity.