6. Technical information
6.1 Technical information, AGC-3
6.1.1 Technical specifications
Accuracy Class 1.0
-25 to 15 to 30 to 70 °C
Temperature coefficient: +/-0.2 % of full scale per 10 °C
Class 0.5 with option Q1
Positive, negative and zero sequence alarms: Class 1 within 5 % voltage unbalance
Class 1.0 for negative sequence current
Fast over-current: 3 % of 350 %*In
Analogue outputs: Class 1.0 according to total range
Option EF4/EF5: Class 4.0 according to total range
To IEC/EN60688
Operating tem-
perature
-25 to 70 °C (-13 to 158 °F)
-25 to 60 °C (-13 to 140 °F) if Modbus TCP/IP (option N) is available in the controller.
(UL/cUL Listed: Max. surrounding air temperature: 55 °C/131 °F)
Storage tem-
perature
-40 to 70 °C (-40 to 158 °F)
Climate 97 % RH to IEC 60068-2-30
Operating alti-
tude
0 to 4000 m above sea level
Derating 2001 to 4000 m above sea level:
Max. 480 V AC phase-phase 3W4 measuring voltage
Max. 690 V AC phase-phase 3W3 measuring voltage
Measuring
voltage
100 to 690 V AC +/-20 %
(UL/cUL Listed: 600 V AC phase-phase)
Consumption: Max. 0.25 VA/phase
Measuring cur-
rent
-/1 or -/5 A AC
(UL/cUL Listed: From CTs 1-5 A)
Consumption: Max. 0.3 VA/phase
Current over-
load
4 × I
n
continuously
20 × I
n
, 10 sec. (max. 75 A)
80 × I
n
, 1 sec. (max. 300 A)
Measuring fre-
quency
30 to 70 Hz
Aux. supply Terminals 1 and 2: 12/24 V DC nominal (8 to 36 V DC operational). Max. 11 W consump-
tion
Battery voltage measurement accuracy: ±0.8 V within 8 to 32 V DC, ±0.5 V within 8 to 32
V DC @ 20 °C
Terminals 98 and 99: 12/24 V DC nominal (8 to 36 V DC operational). Max. 5 W con-
sumption
0 V DC for 10 ms when coming from at least 24 V DC (cranking dropout)
The aux. supply inputs are to be protected by a 2 A slow blow fuse. (UL/cUL Listed:
AWG 24)
AGC-3 installation instructions 4189340728
UK
Technical information
DEIF A/S Page 62 of 65
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