SR469-P5-HI-A20-E-H Motor management relay

469PC Software: Free with each relay

• Demonstration: A metal carrying case that can fit 469-unit

•SR 19-1 Panel: Single hole 19 “panel

•SR 19-2 Panel: Double perforated 19 “panel

•SCI modules :RS232 to RS485 converter boxes are designed for use in harsh industrial environments

• Phase CT: 50, 75, 100, 150, 200, 250, 300, 350, 400, 500, 600, 750, 1000

•HGF3, HGF5, HGF8: Used for sensitive grounding detection of high resistance grounding systems.

•469 1 “Collar: For shallow switchgear, reduces relay depth by 1 #3/8”

•469 3 “Collar: For shallow switchgear, reduces relay depth by 3”

• Optional Installation Kit: Additional installation support 1819-0030

Main advantage

• Comprehensive motor protection plus voltage-dependent overload curves, torque metering and protection, rotor break protection

• Advanced thermal model – includes multiple RTD inputs for stator thermal protection

• Minimizes replacement time – drawer structure

• Complete asset monitoring – temperature, simulated I/O, complete metering including demand and energy

• Improve uptime of auxiliary devices – through I/O monitoring

• Reduces troubleshooting time and maintenance costs – event reporting, waveform capture, data logger

• Built-in simulation simplifies testing and debugging

• Cost-effective information access – via standard RS232 and RS485 serial ports, as well as optional Ethernet and DeviceNet ports

• Firmware and Settings upgradable on site • Optional conformal coatings for exposure to chemical erosion or moisture

The SR469-P5-HI-A20-E-H is a digital motor protection system designed to protect and manage medium and large motor and drive equipment. It contains a full range of selectively enabled, self-contained protection and control elements, as detailed in the feature block diagram and feature sheet.

The main protection function of SR469-P5-HI-A20-E-H is a thermal model with six key elements:

• overload curve

• Unbalanced deviation

• Hot/cold safe stall ratio

• Motor cooling time constant

• Startup suppression and emergency restart

Curves can be in one of three formats: standard, custom, or voltage-dependent. For all curvilinear styles, the SR469-P5-HI-A20-E-H retains the hot memory’s heat capacity usage register, updated every 0.1 seconds. Overload picker determines the starting point of the operating overload curve.

SR469-P5-HI-A20-E-H standard overload curves have standard shape and multiplier values from 1 to 15. Voltage dependent overload curves are used in high inertia load applications where motor acceleration times can actually exceed safe stall times and motor thermal limits. During the motor acceleration process, the programmed thermal overload curve is dynamically adjusted according to the system voltage level. The choice of overload curve type and shape is based on the motor thermal limit curve provided by the motor supplier.