Programable Digital Inputs
Suitable for Ring Main Unit
8 DI & 5 DO
4 Input Current & 3 Input Voltage
Fault Recorder
ANSI 50N/51/51N/46/49F/27/59N...
+86-18702106858 / +86-21-69156352
Acrel AM2SE protection relay is a highly adaptable solution designed for medium voltage (10kV) applications. It features a modular design with programmable digital inputs (8 DI & 5 DO), making it ideal for ring main units and MV switchgear. The relay supports 4 input currents and 3 input voltages, providing flexibility for various feeder protection scenarios.
Equipped with advanced protection functionalities, the AM2SE complies with ANSI standards including 50N, 51, 51N, 46, 49F, 27, and 59N. It includes a fault recorder for detailed event analysis, enhancing system reliability and maintenance efficiency.
The relay offers versatile communication options with support for Modbus-RTU/TCP and IEC 60870-5-103 protocols. Its powerful CPU ensures efficient data processing and integration into modern power systems. Additionally, the AM2SE provides USB connectivity for easy configuration and programmable 4-20mA DC outputs for analog signal transmission.
With its robust design and extensive feature set, the AM2SE protection relay is a reliable choice for safeguarding medium voltage networks, ensuring efficient and secure power distribution.
| Technical Parameters | Value | |||
| Input | Connection | Single phase-2-wire, 3-phase-3-wire, 3-phase-4-wire | ||
| Frequency | 45-65Hz | |||
| Voltage | Rating: | |||
| single-phase :AC 100V、400V | ||||
| Three-phase: AC 3×57.7V/100V(100V)、3×220V/380V(400V)、3×380V/660V(660V)(96 size only) | ||||
| Overload:1.2 fold rating {continuous) : 2 fold rating for 1 second | ||||
| Power consumption:< 0.5VA | ||||
| Current | Rating: AC IA、5A | |||
| Overload:1.2 fold rating(continuous);10fold rating for 1 second | ||||
| Power consumption:< 0.5VA | ||||
| Output | Electric energy | Output mode:open-collector photo-coupler pulse | ||
| Pulse constant: 10000imp/kWh(settable)，see wiring diagram for details； | ||||
| Communication | RS485port, Modbus -RTU protocol,DLT645 protocol(versions 07 and 97)， | |||
| baud rate 1200 ~ 38400 | ||||
| Function | Switching input | Dry contact input, built-in power supply;if the model is KA,it is AC 220V active. | ||
| Switching output | Output mode: Relay normally open contact output | |||
| Contact capacity: AC 250V/3A、 DC 30V/3A | ||||
| Analog output | 4 - 20mA | |||
| Accuracy class | Frequency:0.05Hz,Current、Voltage:0.2 class,Reactive power:l .0class,Reactive Electric energy:l .0class, active power:0.5class,active electric energy: 0.5class,2-31th harmonic measurement:±1% | |||
| Power supply | AC/DC 85-265V or DC24V（±20%）or DC48V(±20%) | |||
| power consumption≤10VA | ||||
| Security | Power frequency withstand voltage | Between Power supply//Switching Output// Current Input//voltage Input and Transmitting// Communication //Pulse Output//switching input AC 2 kV 1min; | ||
| Between Power supply、switching output、Current Input、voltage Input AC 2 kV 1min; | ||||
| Between Transmitting、Communication、Pulse Output、switching input AC 1kV 1 min; | ||||
| Insulation resistance | Input、Output end to machine enclosure >100MΩ | |||
| Environment | Temperature | work: -25°C~+65°C storage: -40°C ~+80°C | ||
| Humidity | ≤93%RH Non-condensing | |||
| Altitude | ≤2500m | |||
Power Monitoring Solution
Rated Current 80A Directly
MID Certificated
High Accuracy Class C
35mm DIN Rail Mounted
Pulse Output
4 Modules 72mm Width
For IoT Energy Management, Factory, School
Split Core
Clamp on Installation
High Accuracy Class 0.5
150-1000A Input Current
5A/1A Secondary Output
Application: Renovation Projects
Event recording
Start control function
programmable DI and DO
Profibus-DP communication
Anti-shaking function
Analog output
Event recording
leakage protection
AC380V/690V
programmable DI and DO
Analog output
Anti-shaking function
Split Core
High Accuracy Class 0.5
Current Input 20-6000A
Current Output 5(1)A
Rectangular Hole Design
Measurement of current (I)
Application: Renovation Projects
Founded in 2003, Acrel Co., Ltd.【Stock Code: 300286.SZ】 is a high-tech enterprise specializing in energy management solutions and electrical safety. Headquartered in Shanghai, Acrel offers innovative and sustainable solutions for microgrid energy efficiency and electrical safety. With over 600 patents and software copyrights, Acrel has deployed more than 28,000 system solutions globally, forming a comprehensive "cloud-edge-end" energy internet architecture.
Acrel Co., Ltd. is China Wholesale AM2SE Protection Relay for Medium Voltage 10kV Manufacturers and AM2SE Protection Relay for Medium Voltage 10kV Factory. Acrel's integrated product ecosystem spans from cloud platform software to end-user components, covering sectors such as power, renewable energy, data centers, smart buildings, transportation, and smart cities. These solutions enable intelligent, real-time energy management, enhancing energy security and reducing operational costs. We offer AM2SE Protection Relay for Medium Voltage 10kV for sale.
The company's production facility, Jiangsu Acrel Electric Manufacturing Co., Ltd., adheres to strict quality standards and environmental guidelines, with advanced testing centers and a commitment to lead-free production processes. Acrel's team of over 500 engineers delivers cutting-edge energy efficiency systems and smart energy solutions.
With a strong domestic presence, Acrel is actively expanding internationally, supported by a global network of sales and technical teams and an e-commerce platform that ensures seamless service experiences worldwide. Acrel is proud to help businesses improve efficiency, reduce consumption, and achieve sustainability goals.
Together, we are building a smarter, greener future.
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Phone: +86-18702106858 / +86-21-69156352No.253 Yulv Road, Jiading District, Shanghai, PRC 201801
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