1SAM340000R1004 ABB Control Manual Motor Protectors

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ABB 1SAM340000R1004 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 ranging from 0.4A to 0.63A. The unit operates within an ambient air temperature range for operation of -25 to +70°C and for storage from -50 to +80°C. It is designed with an IP20 control voltage (DC), a rated impulse voltage (Uimp) of 6 kV, and a net width of 45 mm. This 3-pole (3P) device provides protection functions including short circuit protection, phase failure/loss, and transformer protection. With a net depth of 86.75 mm and a rated insulation voltage (Ui) of 690 V, it supports a rated active power that allows for mounting on DIN rails or mounting plates. The primary current is rated at 690 V, and it is built for over 100,000 operations with an ON/OFF/TRIP rotary knob for control. The unit's angular positions offer thermal protection for overloads adjustable between 0.40A and 0.63A.