DynAmp LKAT2 - Page 24

Installation, Operation and Service Manual LKAT
2
+24V
© 2018 DynAmp, LLC Page 10
046404 E
Table 3.1
LKAT
2
System Specifications ( subject to change without notice ), continued
OPTIONAL PROTECTION EXTENSIONS ( PE )
PE Full Scale Measuring Range (scaled
independently and isolated from main output)
±5kA to ±200kA ( Contact factory for full-scale
measuring ranges > 100kA )
PE analog output configuration and performance
specifications
Same as Main output above with all configuration
and scaling independent from main output
PE Over / Reverse Current Trip Setpoints -Qty. (2) -
Field configurable
Function and specification same as Main Over /
Reverse above with independent LEDs,
configurations, scalings and outputs
OPTIONAL DISPLAY
Digital Display of Bus Current in kA units
3 ½ Digit Green LCD ±2% Full-scale
Displayed Value (configurable) DC or True RMS
NOTE: Optional display reduces maximum ambient temperature of metering unit to 50°C
GENERAL
Input Power
(any voltage within the specified range can
be connected without any wiring changes)
18 - 36Vdc
Burden on Mains (max) 30 VA
Working Voltage: Signal Output to Metering Unit
Low Voltage Circuit
450Vrms
Working Voltage: Bus to Metering Unit Low Voltage
Circuit
1500Vdc
Working Voltage: Mains Supply to Metering Unit
Low Voltage Circuit
264Vrms
Working Voltage: Mains Supply to chassis 264Vrms
Working Voltage: Output to chassis 450Vrms
Isolation : Head surface to signal outputs 6000Vrms for 1 minute
Isolation : Mains supply to signal outputs 1000Vrms for 1 minute
Isolation : Mains or signal output to chassis 2000Vrms for 1minute
Installation Category II
Pollution Degree 2
ENVIRONMENTAL
Operating Ambient Temperature Range of Metering
Unit Location
-10°C to 60°C
(14°F to 140°F)
Operating Ambient Temperature Range of
Measuring Head
-20°C to 80°C
(-4°F to 176°F)
Environmental rating: Measuring Head and cable
connection at Head
IP65
Environmental rating: Metering Unit and cable
connection at Metering Unit
IP65