Inside a "Current Limiting" Type Circuit Breaker
The following images show some details of a 1000 Amp Frame Circuit Breaker - with interchangable Magnetic Trip Modules (this one is an 800 Amp module), and uses "Current Limiters" in the lower end (Load Side) of the Frame.
The "Orange Tubes" are the Limiters.
edited to correct text
[This message has been edited by Scott35 (edited 05-12-2005).]