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Low voltage electrical system protection din rail mounted digital earth leakage earth fault protective relay

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Products Description

ASJ10-LD1A Residual Current Relay

ASJ Series Residual Current Relay

ACREL 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.

* The measurement of A-type after-current

* The streamer display of current percentage; * The setting of rated residual action current * The setting of non-driving time of limitation * Two- pair relay output * Possessing the function of on-the-spot and long- distance testing and resetting* Frequency: 50Hz±5Hz * Auxiliary power supply: AC110V, AC220V, DC85 ~270V (permissible error±10%) * Consumption: ≤5W

Frequency 50Hz±5Hz

Auxiliary power supply AC110V, AC220V, DC85 ~270V (permissible error ±10%) Consumption ≤5W

Installation Din rail 35mm Dimension(L*W*H) 85*54*64mm

Types of Product

Type	Function	Installation
ASJ10-LD1C	AC-type residual current measurement; Alarm prompt of current crossing line; Rated residual operating current can be measured; Limit non-driving time can be set; Two sets of relay output; With local and remote “test” and “reset” functions.	Guide (DIN 35mm)
ASJ10-LD1A	A-type residual current measurement; Current percentage light column display; Rated residual operating current can be measured; Limit non-driving time can be set; Two sets of relay output (settable)note 1; With local and remote “test” and “reset” functions.
ASJ10L-LD1A note2	A-type residual current measurement; Rated residual operating current can be measured; Limit non-driving time can be set; Two sets of relay output (settable); Transformer breakage alarm can be set; Pre-alarm value can be set; Return value can be set. With on-site display, remote "test", "reset" LCD display, 25 event records.
ASJ20-LD1C	AC-type residual current measurement; Alarm prompt of current crossing line; Rated residual operating current can be measured; Limit non-driving time can be set; Two sets of relay output; With local and remote “test” and “reset” functions.	Panel (48*48)
ASJ20-LD1A	A-type residual current measurement; Current percentage light column display; Rated residual operating current can be measured; Limit non-driving time can be set; Two sets of relay output (settable)note 1; With local and remote “test” and “reset” functions.	Panel (48*48)

Note 1: The function of setting for relay means that you can set the initialization and the output state of relay by yourself through the code dialing on the panel; the specific setting guide can be found from the chapter 5.2.

Note 2: Optional function, RS485 interface, Modbus-RTU Communication, type is ASJ10L-LD1A/C.

Technical Parameter

Technical Parameter			Indicator
			AC type	A type
Power supply	Voltage range	AC110V、AC220V （±10%）	AC/DC85~265V
	Power dissipation	≤5W
Input	Rated residual operating 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
	Limit 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 non-operating current I△no	50%I△n	50%I△n
	Performance characteristics	Sinusoidal AC	Sinusoidal AC and pulsating DC
	Frequency	50Hz±5Hz	50Hz±5Hz
	Operating range	-20% ~ -10%I△n	-20% ~ -10%I△n
Output	Output mode	One is normally open and another is for transformation	One is normally closed or open, and another is for transformation
	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 use environment	Temperature	Run temperature：-20℃ ~ +55℃，Storage temperature：-30℃ ~ +70℃
	Humidity	≤95%RH，no condensation, and no corrosive gas places
	Elevation	≤2000m
	Class of pollution	Grade three
	Installation category	Type Ⅲ

Note 3: ASJ10L-LD1A rated residual operating current IΔn is 10mA~30A continuously adjustable; Note 4: ASJ10L-LD1A limit non-driving time Δt is 0~10S continuously adjustable.

Wiring Illustration

Dimension & Installation

Solution Structure

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Company Profile

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Acrel Electric Co., Ltd

Acrel Electric Co., Ltd Ltd. [Stock Code : 300286. SZ] is a high-tech enterprise concentrating on research, production, sales and services. It mainly provides systemic solutions of energy efficiency management and electrical safety for users. ‘Acrel’ is equipped with the complete production lines from cloud platform software to sensors. Until now, it has more than 8000 sets systemic solutions used in China to help users to realize energy visual management ,supply energy data services and improve electrical efficiency and safety. ‘Acrel’ has maintained steady growth since its listing in 2012. The company will adhere to the concept of ‘innovation,high-efficiency,unity and honesty’ and it provides more high-quality solutions,products and service for power system users and micro-grid.

Acrel Energy Efficiency Management Systems include various cloud platforms for substation operation and maintenance, electrical safety, environmental equipment monitoring and prepaid management, and many systems and related products such as intelligent transformer and distribution monitoring system, power quality management system, building energy consumption management systems, industrial energy management and control platform, leakage fire monitoring system, fire power monitoring system, fire resistant door monitoring system, emergency lighting and evacuation instructions system, charge management system for charging piles, dynamic monitoring system for data center , intelligent lighting control system,IT distribution insulation monitoring system and so on.

In order to quickly respond to customers’ demands, the company set up branches and offices in major cities in China and provides users with high-quality product experience.

Through years of accumulation and development, the company has won wide praise in product quality and service from customers at home and abroad.

Contact Us

Acrel Electric Co., Ltd: ContactShelly Zhang; Phone86-21-18702111813

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Low voltage electrical system protection din rail mounted digital earth leakage earth fault protective relay

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