DEIF ASC – 4 Solar Controller with HMI connection

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

Operating temperature
-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

Storage temperature
-40 to 70 °C (-40 to 158 °F)
Climate 97 % RH to IEC 60068-2-30

Operating altitude
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 current
-/1 or -/5 A AC (UL/cUL Listed: from CTs 1 to 5 A)
Consumption: Max. 0.3 VA/phase

Current overload
4 × In continuously
20 × In, 10 sec (max. 75 A)
80 × In, 1 sec (max. 300 A)

Measuring frequency
30 to 70 Hz
Aux. supply Terminals 1 and 2: 12/24 V DC nominal (8 to 36 V DC operational). Max. 11 W consumption
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 consumption
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)