Siemens Solid State Overload Relay NO/NC, 3 → 12 A, 12 A, 5.5 kW. Pole Configuration: 3P. Range: Sirius Innovation. Contact Voltage Rating: 690 V ac. Mounting Style: Direct Contactor. Series: 3RB. Terminal Type: Screw. Reset Method: Automatic, Manual. Length: 69.7mm. Depth: 83.5mm. Width: 45mm. MPN: 3RB3026-1SB0