News

Thanks to ongoing innovations in technology, electrical engineers' approach to motor protection has changed over the years. The traditional strategy to large AC motor protection (e.g., over 500 hp), ...
Article 430 of the NEC details motor branch-circuit requirements for short-circuit and ground-fault protection, as well as motor-overload protection.
For other types of loads, a single device provides overcurrent protection and overload protection. Because of inrush, motor circuits handle those functions separately — that is, the job of protecting ...
Bob and Btu Buddy were on a service call yesterday where the compressor motor was running overloaded due to internal load; the bearings were dragging or worn. Btu Buddy told Bob, “Motor overload ...
Each motor breaker is therefore equipped with an electromagnetic release which is responsible for short circuit response, and a thermal release that is responsible for switching off the circuit when ...
A ‘coordinated starter’ is a tested combination of short circuit protection devices (e.g. fuses or circuit breakers), switching devices, and overload protection devices.
The KTV7 series motor controllers are suitable for two different types of applications under the cULus listings: as a manual, self-protected combination (Type E) motor controller; and as a motor ...
The starters offer an option for Class 10 electronic overload, providing advanced motor protection and resulting in further space savings in the electrical panel. Phase sequence protection can be ...
The overload protection is for the compressor motor. The overload protector is set much lower than the circuit protection.”“Well, I guess I still have a lot to learn,” Bob said.Btu Buddy said, “Motor ...
Many applications, however, require something more: the protection of a conventional mechanical torque limiter. Anything less will leave machinery vulnerable to overload damage and downtime.
5-year motor warranty and 2-year product warranty offer long-term assurance Overload protection enhances safety and extends appliance lifespan ...