BENSHAW ENHANCED KEYPAD Informations techniques télécharger pdf (Page 147)

9 – TECHNICAL INFORMATION

Technical Specifications

141

9.6 List of Motor Protection Features

• ANSI 51 – Electronic motor overload (Off, class 1 to 40, separate starting and running curves available)

• ANSI 86 – Overload lockout

• ANSI 51 – Overcurrent detection (Off or 50 to 800% and time 0.1 to 90.0 sec. in 0.1 sec. intervals)

• ANSI 50 - Instantaneous electronic overcurrent trip

• ANSI 37 – Undercurrent detection (Off or 5 to 100% and time 0.1 to 90.0 sec. in 0.1 sec. intervals)

• ANSI 46 – Current imbalance detection (Off or 5 to 40%)

• ANSI 51G – Ground fault detection (Off or 5 to 100%)

• ANSI 48 – Adjustable up-to-speed / stall timer (1 to 900 sec. in 1 sec. intervals)

• ANSI 59 / 27 – Adjustable over/under voltage protection (Off or 1 to 40%, time 0.1 to 90.0 sec. in 0.1 sec. intervals,

independent over and under voltage levels)

• ANSI 47 - Phase rotation (selectable ABC, CBA, Insensitive, or Single Phase)

• ANSI 81 – Over / Under Frequency

• ANSI 74 – Alarm relay output available

• Single Phase Protection

• Shorted SCR detection

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BENSHAW ENHANCED KEYPAD Informations techniques Page 147