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CAL5X-11

The ABB CAL5X-11 is a thermal overload relay from the ABB CAL series, specifically designed for the protection of three-phase AC motors. It is a direct replacement and evolutionary product of the classic TA series dual-function thermal relays, offering enhanced features and accuracy.

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Technical Parameters Parameter Specification Series ABB CAL Series (Thermal Overload Relay) Product Type Three-Phase Thermal Overload Relay with Phase Loss Sensitivity Order Code CAL5X-11 Rated Operational Current (Ithe) Adjustable Range: 0.10 - 18 A (The "5X" indicates this specific current range. Other CAL models cover different ranges). Trip Class Class 10 (Trips within 10 seconds at 720% of set current). Phase Loss Sensitivity Yes (Standard feature of the "-11" version). Ambient Temperature Compensation Yes, compensated for -20°C to +60°C. Auxiliary Contacts 1 NC (95-96) + 1 NO (97-98) Contact Rating: Typically 600V AC, 5A. Reset Mode Selectable (Auto/Manual) via a switch. Mounting DIN Rail (35mm) mounting. Can also be side-mounted to compatible contactors using an adapter (e.g., MA series adapter). Rated Insulation Voltage (Ui) 690V AC Rated Impulse Withstand Voltage (Uimp) 6 kV Control Supply Self-powered from the main motor current. No external supply required. Standards Compliance IEC/EN 60947-1, IEC/EN 60947-4-1 Electrical Durability ≥ 1000 operations at maximum setting current. Ambient Temperature (Operation) -25°C to +70°C (with compensation active within -20°C to +60°C) Test Button Yes, for simulating an overload condition and testing the trip mechanism.