793-P-1C-S has several different versions based on the coil voltage for the relay in question. If you know the coil voltage for the relay you are replacing, the ALZ series from Panasonic has good options for several versions of this part number:
255-3368-ND for 5VDC
255-1446-ND for 12VDC
255-1447-ND for 24VDC
255-4091-5-ND for 48VDC
Please review the datasheets to ensure they will work for your application.