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AF26Z-30-00-21

The ABB AF26Z-30-00-21 is a highly sensitive two-pole (2P) Miniature Circuit Breaker (MCB) featuring a Z-characteristic tripping curve. It belongs to the System Pro M compact® AF series, designed for advanced protection in control and automation systems.

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Technical Parameters Parameter Specification Series ABB System Pro M compact® AF Product Type 2-Pole MCB with Z-Curve and Auxiliary Contact Order Code AF26Z-30-00-21 Number of Poles 2-Pole (2P) Rated Current (In) 2 A (The "30" in the code corresponds to a 2A rating in this series' coding system). Tripping Characteristic Z-Curve (Selective) Rated Operational Voltage (Ue) 240/415V AC Rated Insulation Voltage (Ui) 500V AC Rated Impulse Withstand Voltage (Uimp) 6 kV Breaking Capacity (Icn) 10 kA at 400V AC Auxiliary Power Supply 24-60V AC/DC (for internal electronics) Auxiliary Contact 1 NO (Normally Open) Auxiliary Contact Rating Typically 250V AC, 5A Rated Frequency 50/60 Hz Terminals Cage clamp terminals for conductors (main): 1 - 25 mm² / (auxiliary): 0.2 - 2.5 mm² Terminal Torque 2.0 N·m (main), 0.5 N·m (auxiliary) Mounting DIN Rail (35mm) Electrical Durability ≥ 10,000 operations at In Mechanical Durability ≥ 20,000 operations Standards Compliance IEC/EN 60947-1, IEC/EN 60947-2 Ambient Temperature -25°C to +60°C (Operation) Trip Time Instantaneous trip range: Approx. 4A to 6A (2-3 x In) within milliseconds.