Siemens HNF362J Safety Switch. Siemens Safety Switch, Type VBII Enclosed Heavy Duty Low Voltage Non-Fusible Single Throw, 600 VAC, 60 A, 60 hp, 3 ph, 60 Hz Frequency, 3 Pole, 3 Wires, 200 kA Short Circuit, TPST Contact Form, Insulated Insulation, NEMA 12 Enclosure, Surface Mounting, Lug Terminal, -29 to 85 deg C, 19.31 in H x 9.94 in W x 10.46 in D Dimensions, Steel. Additional Description: SIEM-HNF362J HDSS NF 3P3W 600V 60A N12. Catalog Description: Siemens Low Voltage Circuit Protection Heavy Duty Safety Switch. 3-Pole Non-Fused in a type 12 industrial enclosure. Rated 600VAC (60A)..