Contrex CXB2040 Manual do Utilizador descarregar pdf (Página 12)

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• Manual and external Push button and a separate input is provided to reset the amplifier

fault reset: after a fault.

• High-Speed Electronic Instantly shuts down the amplifier in the event of a short across

Circuit Breaker the outputs and or ground fault protection.

(HS/ECB): (i.e. amplifier exceeds 80A for 10 micro seconds)

Low-Speed Electronic Shuts down the amplifier if the amplifier is operated above the

Circuit Breaker maximum continuous current rating for a pre-determined period

(LS/ECB): 3 seconds).

• Fold back current limit: Folds back the continuous current delivered by the amplifier to a preset

value if the amplifier is operated above the maximum continuous current

rating for a pre-determined period.

• Over/under voltage These circuits constantly monitor motor and amplifier power-

and over temperature: supply voltages, and motor and amplifier-heatsink temperature. They will

shut down the amplifier in the event of any out-of-specification condition.

(The over voltage protection circuit is set to turn on at +250VDC for 120

VAC line input and +450 VDC for 240 VAC line input.)

CHAPTER 1: DESCRIPTION, FEATURES AND SPECIFICATIONS

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Contrex CXB2040 Manual do Utilizador Página 12