A strong door and latch for wall mounted enclosure, sometimes that's all you need to keep the energy producing machine safe from the outside world. But the importance it has to a building, to a producing industry, cannot be overstated and thus the enclosure itself need to be sturdy and capable of withstanding the dangers that it might encounter. Various things need to be kept in mind when designing an access solution, more so when it's for something like a generator or something else required for providing power to a building. The environment and what the enclosure will be exposed to will be among the most important factors, while the access solution should keep ease of access and security in mind. Even the latch for wall mounted enclosure will require consideration to make sure that the risks of sabotage or accidents happening are reduced.
Relying on partners
Whatever your needs are, there will be reliable partners that you can get in contact with to help you get what you need. It's probably advisable that you ask for opinions on what design access solutions works the best for you too, so that you will get a final product suited for your needs. Needless to say, if you don't get something designed and optimized for your generator, even a weakness in the latch for wall mounted enclosure will lead to future headaches for you. Even the briefest interruption in energy generation can lead to losses in revenue if you're an owner of an industrial building and that's something anyone would want to avoid.