Page 71 - 4587
P. 71
Figure 11.3 - Federal pacific stab-lok (NA) circuit breaker
Din Rail Mounted Breakers
With this method, a mounting rail is secured to the enclosure
and the breaker is snapped onto the mounting rail. This allows for
replacement to be made quickly as the device can be un-clipped
and a new one clipped on to the DIN rail.
A DIN rail is a metal rail of a standard type widely used for
mounting circuit breakers and industrial control equipment inside
equipment racks. These products are typically made from cold
rolled carbon steel sheet with a zinc-plated and chromated bright
surface finish. The term derives from the original specifications
published by Deutsches Institut für Normung (DIN) in Germany,
which have since been adopted as European (EN) and international
(ISO) standards.
70
