Название продукта: Joslyn Clark Controls 5DP Definite Purpose DC Contactor
Производитель: Joslyn Clark Controls
Код продукта: 5DP Definite Purpose
Ключевые слова: Joslyn Clark Controls
Joslyn Clark 5DP
Joslyn Clark
Clark 5DP Definite Purpose DC
Joslyn Controls 5DP DC Contactor
Joslyn Clark Controls Purpose
Joslyn Definite DC
Joslyn Clark 5DP DC Contactor
Clark Controls 5DP Definite
Clark 5DP Definite Purpose DC
Controls 5DP Contactor
Joslyn
Clark Controls 5DP Definite Purpose DC
Joslyn Clark 5DP Definite
Joslyn Clark Controls DC Contactor
Controls
Definite Contactor
Joslyn Clark Controls Definite Purpose DC
Controls Definite Purpose DC
Purpose DC Contactor
Joslyn Controls 5DP Definite Purpose Contactor
DC Contactor
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5DP Definite Purpose DC Contactors are designed for DC adjustable speed drive circuits using silicon controlled rectifier switching and other controls where a combination of normally open and normally closed power contacts are required. In all applications, reduced panel space for dc contactor mounting is made possible through a compact design and the built-in N.C. dynamic brake power contact feature. In silicon controlled rectifier switching circuits, the SCR is normally phased back prior to contactor opening. Therefore, the N.O. contacts are not required to interrupt any appreciable current. Under abnormal conditions such as failure of the SCR or the control circuit, the dc contactor may be required to interrupt up to 200% current. The N.O. contacts are equipped with permanent magnet blowouts to meet this requirement. The dynamic brake N.C. contact is required to insert the dynamic brake resistor and therefore must make up to 200% of rated current each time the dc contactor is de-energized. Jogging is accomplished at low voltage and current. Therefore, the dynamic brake contact is rated at 1/3 of rated voltage and dynamic brake current. The permanent magnet blowouts provide this interrupting ability.