Siemens Industrial Controls 3RB3026-1SB0 Relay 320720-756 Is the keyway included in

Is the keyway included in the fixed bore

As technology advances

for vacuum requirements

Built to handle a 500 PSI maximum working pressure

Siemens Industrial Controls 3RB3026-1SB0 Relay 320720-756 Is the keyway included inThe Siemens 3RB3026 1SB0 is a high performance SIRIUS electronic overload relay designed for precise motor protection within a 3 12 Amp current range. Engineered for Size S0 contactors, this unit provides solid state reliability that far surpasses traditional thermal alternatives. It features Class 10E tripping, ensuring rapid response to overload conditions, phase loss, and phase unbalance, effectively preventing catastrophic insulation failure or