Produktname: Joslyn Clark Controls 5DP Definite Purpose DC Contactor
Marke: Joslyn Clark Controls
Produktcode: 5DP Definite Purpose
Stichwörter: Joslyn Clark Controls
Clark Definite
Clark Controls 5DP DC
Joslyn Clark Definite Purpose DC
Joslyn Definite Contactor
Joslyn 5DP Definite Purpose DC Contactor
Joslyn Clark 5DP Purpose Contactor
Joslyn Clark Definite DC
Clark Controls 5DP Definite Purpose DC Contactor
Controls DC Contactor
Joslyn Clark Controls Purpose DC Contactor
5DP Purpose DC
Clark Controls 5DP Definite
Joslyn Controls 5DP Definite Purpose DC Contactor
Joslyn Clark Definite Contactor
Joslyn
Clark 5DP Definite Purpose Contactor
Definite Purpose
Clark Controls 5DP DC Contactor
5DP Purpose
Joslyn Clark 5DP Definite Purpose
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.