1SAM340000R1014 ABB Control Manual Motor Protectors

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ABB 1SAM340000R1014 is a protection unit designed with thermal-magnetic circuit breaker functionality for transformer primary protection. It features screw-clamp connections and offers an adjustable rated current of 20A to 25A. The unit is designed to operate within an ambient air temperature range of -25 to +70°C for operation and -50 to +80°C for storage. It has a control voltage rating of IP20 and a rated impulse voltage (Uimp) of 6 kV. The dimensions include a net width of 45 mm, a net depth of 86.55 mm, and a length of 97.8 mm, making it suitable for mounting on DIN rails or mounting plates. This 3-pole (3P) device provides protection functions including short circuit protection, phase failure/loss, and transformer protection, with a rated insulation voltage (Ui) of 690 V. It supports an operating mode of up to 50,000 operations and a control flow with an ON/OFF/TRIP rotary knob, capable of 100,000 operations. The angular positions offer thermal protection for overloads adjustable between 20A and 25A, with a primary current and rated active power at 690 V.