This Siemens ITE ET 400A trip JKL breaker ET5745 3 pole phase 600V 400 amp w/Lugs is a circuit protection device manufactured by Siemens. It provides overcurrent protection, breaking the circuit automatically if current exceeds a safe level. Key specifications noted on this listing include 400A, 400 Amp, 3 Pole. It is commonly in control panels, switchgear, and machine electrical systems.
