VS3-020-4-N1B-S | VS3 20HP 480V 31A; VS3; 20HP; 480V; 31A; NEMA 1; 2 CONT BYP+SERVICE SWITCH;SAB;BACNET IP&MS/TP SKU: VS3-020-4-N1B-S Parent Item Parent Item - Additional Cost Has Item Option Details VS3-020-4-N1B-S | VS3 20HP 480V 31A; VS3; 20HP; 480V; 31A; NEMA 1; 2 CONT BYP+SERVICE SWITCH;SAB;BACNET IP&MS/TP Documentation Data Sheet DetailsDocumentationBackVS3-020-4-N1B-S | VS3 20HP 480V 31A; VS3; 20HP; 480V; 31A; NEMA 1; 2 CONT BYP+SERVICE SWITCH;SAB;BACNET IP&MS/TPBack Data Sheet