Brand: ALTECH
1B20UM
1B20UM, 20A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC, UL508
                    Preorder:  Typically ships in 
                    
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                Brand: ALTECH
1B20UM, 20A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC, UL508