circuit breaker (base frame) MasterPact MTZ1 10H2, Rated Current ([In]): 1000 A, Poly: 3P (3 poles)., Mounting: Drawout type., Control unit: Supplied without control unit (without Micrologic), but compatible with Micrologic X control units (2.0 X, 5.0 X, 6.0 X, 7.0 X, etc., to be ordered separately)., Breaking capacity (ICU): 50 kA rms at 415 V AC 50/60 Hz., Maximum Operating Voltage: 690 V AC 50/60 Hz.