Siemens Solid State Overload Relay NO/NC, 1 → 4 A, 4 A, 1.5 kW. Pole Configuration: 3P. Range: Sirius Innovation. Contact Voltage Rating: 690 V ac. Mounting Style: Direct Contactor. Series: 3RB. Number Of Auxiliary Contacts: 2. Terminal Type: Screw. Reset Method: Automatic, Manual. Length: 69.7mm. Width: 45mm. Depth: 83.5mm. MPN: 3RB3026-2PB0