Language
ASJ20-LD1C Residual Current Operated Relay
■ Application: AC type of residual current measurement
■ Alarm (＞=100 % of the set response value IΔn)
■ Rated residual operated current (configurable)
■ Non-operated time limit(configurable)
■ 2 pcs relay outputs (configurable)
■ Distant&Local Test & Reset
■ Cover mounting type
description1
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Application aims
ASJ Series of action relay of after-current, low-voltage circuit break or low-voltage contactor can be made up for combined after-current production device, which is mainly applied for the TT and TN system distributing circuit with the alternating current 50Hz, the rated voltage 400V or below. ASJ Series of action relay of after-current is applied in the earth fault protection for the electric circuit, so as to prevent the equipment damage and the fire accident of electric equipment caused by the ground fault current, moreover, it also can provide indirect contact protection against the electric shock risk.
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Features
Dimension&Hole Size(Unit:mm)
Typical Diagram
1. The measurement of A-type after-current;
2. The streamer display of current percentage;
3.The setting of rated residual action current;
4. The setting of non-driving time of limitation;
5. Two-pair relay output;
6. Possessing the function of on-the-spot and long-distance testing and resetting.
Types
Technical Parameters
2. The streamer display of current percentage;
3.The setting of rated residual action current;
4. The setting of non-driving time of limitation;
5. Two-pair relay output;
6. Possessing the function of on-the-spot and long-distance testing and resetting.
Types
| Types | Basic function | Installing way |
ASJ10-LD1 C |
Measurement of AC-type after-current; Indicator of current off-limit alarm; The setting of rated residual action current ( see in the table 2); The setting of non-driving time of limitation ( see in the table 2); Two-pair relay output; Possessing the function of on-the-spot and long-distance testing and resetting |
rail guiding (TS35mm) |
ASJ10-LD1 A |
The measurement of A-type after-current; The streamer display of current percentage; The setting of rated residual action current ( see in the table 2); The setting of non-driving time of limitation ( see in the table 2); Two- pair relay output(both of which can be set) *; Possessing the function of on-the-spot and long-distance testing and resetting |
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| ASJ20-LD1 C | Measurement of AC-type after-current; Indicator of current off-limit alarm; The setting of rated residual action current ( see in the table 2); The setting of non-driving time of limitation ( see in the table 2); Two- pair relay output; Possessing the function of on-the-spot and long-distance testing and resetting |
Screen structure (48 square) |
| ASJ20-LD1 A | The measurement of A-type after-current; The streamer display of current percentage; The setting of rated residual action current ( see in the table 2); The setting of non-driving time of limitation ( see in the table 2); Two- pair relay output(both of which can be set) *; Possessing the function of on-the-spot and long-distance testing and resetting |
| Technical parameter | Index |
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| Type AC | Type A | |||
input |
Rated residual action 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) |
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| Non-driving time of limitation △t | 0.1,0.5(s) | 0,0.06,0.1,0.2,0.3,0.5,0.8,1,4, 10(s) |
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| Rated residual non-action current I△no |
50%I△n | 50%I△n | ||
| performance characteristics | simple sinusoidal alternating current | simple sinusoidal alternating current and pulsating direct current | ||
| frequency | 50Hz±5Hz | 50Hz±5Hz | ||
| action error | -20% ~ -10%I△n | -20% ~ -10%I△n | ||
| output | output mode | one is the normal closing and the other | one is the normal closing or opening, and the other is for the transformation | |
| is for the transformation | ||||
| contact capacity | 5A 250VAC 5A 30VDC |
AL1:8A 250VAC 5A 30VDC AL2:6A 250VAC 5A 30VDC | ||
| reset mode | the on-the-spot one and the long-distance one, | the on-the-spot one, the long-distance one and the automatic one | ||
| power supply | voltage range | AC110V,AC220V(permissible error±10%) |
AC110V,AC220V,DC85-270V (permissible error±10%) |
|
| power dissipation | ≤5W | |||
| power frequency withstand voltage | The effective value of alternating current between the power supply, input and output: 2kV/1min | |||
under the normal operation |
temperature |
operating temperature: -20ºC ~ +55ºC storage temperature: -30ºC ~ +70ºC | ||
| humidity | ≤95%RH, with moisture condensation, and corrosive gas place | |||
| height above sea level | ≤2000m | |||
| class of pollution | Grade three | |||
| installation category | Type Three | |||
Dimension&Hole Size(Unit:mm)
| instrument type | Panel size (mm) | Shell size (mm) | hole size(mm) |
| ASJ20-LD1C ASJ20-LD1A | 48×48( width by height) | 43.8×43.8×100(width by height by depth) |
45×45(width by height) |
| ASJ10-LD1C ASJ10-LD1A | 85×54×64(length by width by height) | ||
Typical Diagram
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