BENSHAW ENHANCED KEYPAD Manual do Utilizador descarregar pdf (Página 71)

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Engineered Medium Voltage Starter Products

Smart Full Voltage ATL Starters

Highlights:

The “Smart” Medium Voltage “ATL” package includes the addition of

the RediStart MX

control package for additional branch circuit moni-

toring motor protection, metering, diagnostics and communication.

Refer to MVRMX RediStart MX

speciﬁcation for complete details.

A sampling of the enhanced features includes:

Protection (ANSI standard numbers given)

• 51 - Electronic motor overload, class 1 to 40

• 86 - Overload lockout

• 59/27 - Adjustable over/under voltage protection

• 46 - Adjustable line to average current imbalance

• 81 - Adjustable high and low frequency protection

• Single phase protection

• 66 - Adjustable starts per hour (off or 1 to 20 starts)

• Adjustable time between starts (off or 1 to 600 minutes)

• Backspin timer (off or 1 to 200 minutes)

• 51 - Overcurrent detection (off or 50 to 800%) and time

(0.1 to 90.0 sec. in 0.1 sec. intervals)

• 37 - Undercurrent detection (off or 10 to 100% and time

(0.1 to 90.0 sec. in 0.1 sec. intervals)

• 51G - Ground fault detection (off or 1 to 100 amps) and

time (0.1 to 90.0 sec. in 0.1 sec. intervals)

• Overcurrent, undercurrent, and ground fault can each be

set to trip or activate a relay

• 50 - Instantaneous electronic overcurrent trip

• 47 - Phase rotation selectable ABC, CBA, or Ins

(insensitive)

• 38/49 - Remote mountable RTD protection package, 8 or

16 RTD inputs (optional)

Control

• Local start/stop controls

• Emergency reset capability

Input/Output and Display

• Plain English operation via back lit LCD display interface

• LCD and LED status and diagnostics (full fault

annunciation)

• Programmable metering (amps, volts, frequency,

overload, power factor, elapsed time, watts, VARs,

watt hours, VA, current imbalance, ground fault current,

RTD temperatures with optional RTD module)

• Programmable relay outputs

• Latched fault relay output

• Real time clock

• Time stamped event recorder

• Password protection

• Battery backed-up starter parameters and lockout times

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