This is a Lionel Trains type 1033 transformer. This transformer generated 90 watts of power and has a built-in circuit breaker. These transformers were produced in the postwar Era from 1948 to 1956. This model Lionel transformer is very reliable and durable. This transformer has been serviced and tested. All voltages from the U, A, B and C posts have been checked and meet lionel specifications. The whistle and direction controls have been tested and function properly. The electrical cord is an excellent condition. This transformer is an excellent condition overall.