Photo 1. This type of submersible pump control box contains a capacitor, relay, and associated electronics. In this article, we'll take a look at the 3-wire 240V single-phase submersible pump system ...

Clad in bulky spacesuits, NASA astronauts Chris Cassidy and Tom Marshburn replaced a pump control box thought to be responsible for the leak of ammonia, which cools down the orbiting lab's systems.

Faced with frustrations with their current control systems, the owners of the Klamath Cogeneration Plant in Oregon hired ABB to install a more reliable control system to create opportunities for ...

Clad in bulky spacesuits, NASA astronauts Chris Cassidy and Tom Marshburn replaced a pump control box thought to be responsible for the leak of ammonia, which cools down the orbiting lab's systems.

For the second time in 2 months, the agency has warned of a potential problem with the controllers, with one related death.