Siemens Overload Relay NO/NC, 1.8 → 2.5 A, 2.5 A, 1.5 kW. Pole Configuration: 3P. Range: Sirius Innovation. Contact Voltage Rating: 690 V ac. Mounting Style: Direct Contactor. Series: 3RU. Terminal Type: Screw. Reset Method: Automatic, Manual. Width: 45mm. Length: 87mm. Depth: 73mm. MPN: 3RU2126-1CB0