Click to expand Tap to zoom Siemens B22000S01 Shunt Trip Circuit Breaker 2P 20 Amp 120/240Vac by EcoTech Solutions Inc. Sale $433.30 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Siemens B22000S01 Shunt Trip Circuit Breaker 2P 20 Amp 120/240Vac