| Frequency: | 50 Hz ± 5 Hz |
| Auxiliary power supply: | AC 110 V, AC 220 V, DC 85–270 V (permissible error ± 10 μs) |
| Consumption: | ≤ 5 W |
| Communication: | RS485 (Modbus RTU) |
| Assembly: | DIN rail 35 mm |
| Dimensions (L x W x H): | 85 × 54 × 64 mm |
ASJ20-LD1C residual current device
Acrel ASJ series residual current relays are mainly suitable for TT or TN system distribution lines with 50 Hz AC and a rated voltage of 400 V and below. They are equipped with low-voltage circuit breakers or low-voltage contactors to reduce electrical safety accidents caused by leakage and ensure personnel safety.
Product info
Technical data
| type | function | installation | Look |
| ASJ10-LD1C | AC fault current measurement; Alarm message in case of current overshoot; Measurement of the nominal fault current; Adjustable downtime limitation; Two relay outputs; With local and remote test and reset function. |
(DIN rail 35 mm) |  |
| ASJ10-LD1A | Residual current measurement type A; Light column display in percent; Measurement of the nominal fault current; Adjustable downtime limitation; Two adjustable relay outputs (Note 1); With local and remote test and reset functions. |
 |
|
| ASJ10L-LD1A Note 2 | Residual current measurement type A; Nominal fault current measurable; Limit for downtime adjustable; Two relay outputs adjustable; Transformer break alarm adjustable; Pre-alarm value adjustable; Return value adjustable. With on-site display, remote test and reset. LCD display, 25 event recordings. |
 |
|
| ASJ20-LD1C | AC fault current measurement; Alarm message in case of current overshoot; Measurement of the nominal fault current; Adjustable downtime limitation; Two relay outputs; With local and remote test and reset function. |
Panel (48 x 48) |  |
| ASJ20-LD1A | Residual current measurement type A; Light column display in percent; Measurement of the nominal fault current; Adjustable downtime limitation; Two adjustable relay outputs (Note 1); With local and remote test and reset functions. |
 |
Note 1: Relay settings allow you to configure the initialization and output state of the relay yourself via code selection on the control panel. Detailed setting instructions can be found in Chapter 5.2.
Note 2: Optional function: RS485 interface, Modbus RTU communication, type ASJ10L-LD1A/C
| Technical parameters | indicator | ||
|
AC type
|
A type
|
||
| Power supply | Voltage range |
AC110V、AC220V（±10%）
|
AC/DC85~265V
|
| Power consumption |
≤5W
|
||
| Entrance |
Rated residual current I△n
|
0.03, 0.1, 0.3, 0.5(A)
|
0.03、0.05、0.1、0.3、0.5、1、3、5、10、30(A)Note 3
|
|
Limitation of non-driving time △t
|
0.1, 0.5(s)
|
0、0.06、0.1、0.2、0.3、0.5、0.8、1、4、10(s)Note 4
|
|
|
Rated residual current in quiescent state I△no
|
50%I△n
|
50%I△n
|
|
| Features | Sinusoidal AC | Sinusoidal AC and pulsating DC | |
|
frequency
|
50Hz±5Hz
|
50Hz±5Hz
|
|
| Area of application |
-20% ~ -10%I△n
|
-20% ~ -10%I△n
|
|
| output | Output mode | One is normally open, the other is used for transformation | One is normally closed or open, the other is used to transform |
| Contact capacity |
5A 250VAC
5A 30VDC
|
AL1: 8A 250VAC; 5A 30VDC
AL2: 6A 250VAC; 5A 30VDC
|
|
| Reset mode | Local reset or remote reset | Local reset, remote reset or automatic reset | |
| Installation and usage environment |
temperature
|
Operating temperature: -20 °C to +55 °C, storage temperature: -30 °C to +70 °C | |
| humidity |
≤95%RH, no condensation and no corrosive gases
|
||
| elevation |
≤2000m
|
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| degree of contamination | Grade three | ||
|
Installation category
|
Type II
|
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Note 3: The rated residual current IΔn of the ASJ10L-LD1A is continuously adjustable from 10 mA to 30 A.
Note 4: The maximum rest time Δt of the ASJ10L-LD1A is continuously adjustable from 0 to 10 s.
Product display
