ComAp IM-NT - Dimensions and Weight; Measurements; Current Inputs

IGS-NT Installation Guide
139
Storage temperature IS-NT-BB -40..+80
o
C
Flash memory data retention time 10 years
Protection front panel (built-panel) IP65
Humidity 95% without condensation
IEC/EN 60068-2-30
Standard conformity
Low Voltage Directive EN 61010-1:95 +A1:97
Electromagnetic Compatibility EN 50081-1:94 (EN 61000-6-3)
EN 50081-2:96 (EN 61000-6-4)
EN 50082-1:99 (EN 61000-6-1)
EN 50082-2:97 (EN 61000-6-2)
Vibration 5 - 25 Hz, ±1,6mm
25 - 100 Hz, a = 4 g
Shocks a = 200 m/s
2
NOTE:
* USB port should be used only above 0°C.
** IS-NT – including IS-Display and InteliVision 8
*** IS-NT – including IS-Display
20.3. Dimensions and weight
Dimensions See Terminals and Dimensions chapter
Weight (IG-NTC-BB) 950g
20.4. Measurements
Nominal frequency 50-60Hz
Frequency measurement tolerance 0,1Hz
20.4.1. Current inputs
IG-NT / IG-NT-BB
IG-NTC / IG-NTC-BB / IS-
NT-BB, IS-NTC-BB / IM-NT
Nominal input current (from
CT)
0 ÷ 5 Amps, max 7,5 A all
time, 10 A for 30 sec
0 ÷ 5 Amps, max 7,5 A all time,
10 A for 30 sec
0 ÷ 1 Amps, max 1,5 A all
time, 2 A for 30 sec
Load (CT output impedance)
< 0,1 
< 0,1 
CT input burden
< 0,2 VA per phase
(Inom=5A)
< 0,1 VA per phase (Inom=1A)
< 0,2 VA per phase (Inom=5A)
Max. measured current from
CT
10 A
2 A / 10 A
Current measurement
tolerance
2% from the Nominal current
2% from the Nominal current