52BAJ
Siemens 52BAJ, Accessory For Cl51, Cl52, 30Mm Contact Block 1 N.C. Contact Meets Iec Standard 947-5-1-3 For Direct Opening Functionality. N.C. Contacts Are Positively Driven Heavy Duty Nema A600/P600 Screw-Terminals Touchsafe Design Ul Listed, Csa Certified