I am not an electrician. If you have any questions, my first recommendation is to hire a qualified electrician to scope out and wire your building for the new hammer.
All of the hammers except for the 165 and larger hammers are pre-wired with a switch, extension cord and plug. All you have to do is provide an appropriate service for the plug.
The 33 is 220V single phase and relatively low amperage so almost any garage or shop should have power to run this hammer. It may take a 220V line run from your breaker box if you don't have an outlet.
The 55 and larger hammers come standard with 3 phase motors. If you do not have 3 phase power (and many do not, including myself), you have several options:
1. For the 55 and 88 lb. hammers, I can install a 5 HP single phase, high torque, low RPM WEG motor that runs on 220V power like the 33 lb. hammer.
2. Another option is to install a rotary converter that will convert your single phase input to 3 phase output. The real advantage of this is that if you size it properly, you can purchase other 3 phase equipment in the future and the converter can supply 3 phase power to your entire shop. This is what I have done in my shop. It gives you tremendous flexibility for the future. It is important to size the rotary converter correctly. The power hammer is considered "hard start" like air compressors. Typically, they recommend sizing the converter to 3X the size of the motor you are trying to power. Example, if your power hammer has a 5 hp motor, the rotary converter should be about 15 hp. Again, that will give you a lot of flexibility for the future. It has a little higher initial cost but long term, this is a great option.
3. Another option is to purchase a Variable Frequency Drive (VFD). It also converts single phase input to 3 phase output. It tends to be a little more expensive than a rotary converter but it has an added feature where you can modify the input cycles to reduce the hammer speed. A word of caution on reducing hammer speed... if you try to reduce it too much, you have to worry about motors overheating and shortening the life of the motor.
There are several companies that I would recommend you talk to if you are considering a rotary converter or VFD:
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James R. Johnson ** USAforging@gmail.com ** 940 6274529 ** 2955 CR 1370 Alvord, TX 76225
Anyang USA Power Hammer Since 1956