Category Archives: Air Circuit Breakers
Solid State Trip Units for 600 Volt Air Circuit Breakers
In the early 1970′s the ‘trip unit’, also known as the ‘brain’ of air circuit breakers began their evolution into what we know today as solid state trip units. Solid state trip units have far less moving parts than their … Continue reading
Posted in Air Circuit Breakers, Articles, Solid State Trip Units
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A Historical Outlook of Allis Chalmers Circuit Breakers and Siemens Allis Circuit Breakers
Allis Chalmers – The Beginning of the Brand Allis Chalmers air breakers were one of the original OEM breakers made right after World War II. Like other circuit breaker manufacturers, these early air breakers were large and mounted on slate … Continue reading
Posted in Air Circuit Breakers, Allis Chalmers, Articles, Siemens Allis
Tagged 1600a, 600a, allis chalmer air breakers, G-100, G-100a, G-25, G-25a, G-50, G-50a, G-75, G-75a, LA-100, LA-100A, LA-1600A, LA-25, LA-25A, LA-3000, LA-3000A, LA-4000, LA-4000A, LA-50, LA-50A, LA-600, LA-600A, LA-75, LA-75A, RL-800, RL1600, RL3200, siemens allis circuit breakers, siemens allis switchgear
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