Frekvenční měniče Katalogy, manuály (EN+CZ)

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 821 z 825

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6.8 softstarters are rated indoor ventilated. ® 13.<s- General information Key construction features • Fused disconnect switch with blown fuse indicators and door safety interlocks rated for load break/fault make with automatic grounding arm • Inline isolation vacuum contactor® sized for across-the-line motor starting (optional "soft start only" models) • Bi-metallic thermal overload provides backup motor protection when operating emergency bypass mode (optional "soft start only" models) • 120V fused control power transformer standard line start section (optional "soft start only" models) • Digital controller provides solid state overload and numerous protective features for both the motor and the soft starter • Programmable keypad with LCD and status LEDs for easy setup and operation • Bypass vacuum contactor® standard all models guarantee cool operation all environments and extend unit life • Heavy duty stack assemblies with ring transformer isolated circuit for reliable, hard-firing gate pulse • Isolated low voltage compartment provides maximum protection for operating personnel • Mechanically interlocked medium voltage compartment Heavy duty SCR power assemblies • Rated for 500 percent overload for seconds, 125 percent continuous • Field-proven design use since 1975 • Fiber optics gate-firing circuit using “ring transformer” isolation design for superior noise immunity Industrial “real world” packaging • Load break/fault make disconnect switch with door safety interlocking mechanism • Isolated, noise-immune low voltage control compartment • NEMA enclosure with bypass vacuum contactor included as standard®® • Extra wiring space for cables for easy installation Custom engineered systems • Available special enclosures and lineups • Numerous control component options including: Reversing contactors Motor protection relays Customer specified devices • Horizontal and custom bus interconnects • Various motor configurations including synchronous, wound rotor and two speed Digital microprocessor control • Full featured for flexibility, including dual ramp and S-curve software • LCD status/alarm display and built-in programing keypad • Serial communications port standard: S485 with Modbus RTU protocol or RS232 with Windows interface • In-depth motor and system protection monitors • Monitors separate parameters and maintains nonvolatile fault memory 6 © 13.40 i---------------------------1 Low Voltage Products Systems ---------------------------- 2/11/02 Proof ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AC 1006 11/01.8 kV, 600A softstarters use circuit breakers for isolation and bypass functions