GE P50 Agile P253 Technical Manual page 7

P50 Agile P253
•
1A/5A CTs selection
•
SEF option
•
Latching of output contacts
•
Universal auxiliary power supply range
•
2 Setting groups
•
Password protection
•
Self-supervision & internal diagnostics
2.1.2 Measurement, Recording & Post Fault Analysis
• Metering of Phase currents
• Metering of Neutral currents-derived and measured
• Measurement of thermal state
• Positive, Negative and Zero sequence current
• Load Current
• Time to Thermal trip
• Last starting current and time
• Time before a permitted start
• Authorised hot start number
• Authorised cold start number
• Motor running hours
• Total number of starts
• Total number of emergency starts
• Number of Thermal Trip
• Breaker operation counter
• Breaker trip counter
• Breaker operating time
• Up to 512 time tagged event records
• Up to 5 Fault records
• Up to 5 disturbance records
• 1 start-up current record
2.1.3 Front Panel Interface
• 8 LEDs for status indication
• Backlit LCD display (16 x 2)
• 8 navigation keys for setting and interrogation
2.1.4 Communications
• Front USB port for real-time data viewing, device setting, and upload/download.
P253/EN M/C
1 Introduction
1-5