Acrel Co., Ltd

12/10/2026

Acrel AM5SE protection relay

Applicable scenarios: 35kV/11kV/10kV substations, industrial and mining enterprises, power plants, new energy power generation, and other sectors.

*[67]( Overcurrent , 3stages )

*[50N/51N]( 2 stages earth fault )

*[59] ( Over voltage )

*[27] ( Under voltage )

* [26/63 ( Non-electricity )

*[25] ( Check synchronization )

*[32R] ( Directional power )

*[ATS] ( Bus tie protection )

*[87T] ( Transformer differential )

*( Transformer backup )

*( Motor protection )

*[87M]( Motor differential )

*( Capacitor protection )

*[VTS]( PT supervision and parallel connection )

relay relay fault relay

https://www.acrel-electric.ae/product/35kv-10kv-11kvsubstation-protective-relays-am5se-protection-device-overcurrent-protection-overvoltage-protection

22/09/2026

NEW PRODUCT:ALP220-EF Earth Fault Overcurrent Relay

■ Complies with ANSI 50/50N/50G/51/51N/51G/50P/51P
■ Inverse time (5 curves available) + three-stage fixed time
■ 2 channels of single-pole double-throw (SPDT) programmable passive DO outputs
■ 1 MODBUS_RTU communication channel, supporting data upload
■ 20 fault records + 20 event records, facilitating user maintenance and management
■ LCD display
■ Sealed design to prevent tampering with settings

Fault Relay Fault -EF

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Tel/wechat/whatsapp:0086-18702112018

10/09/2026

With limited space in ring main units (RMUs), how should you select protection for box-type substations?

The Acrel AM6-PW protection and control device is specifically designed for containerized energy storage applications; it can be installed directly inside high-voltage RMUs and is compatible with both single-split and dual-split transformers. It supports the acquisition of current, voltage, and circuit breaker status signals from three sides, enabling a single device to handle the complete protection and control of the transformer.

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02/09/2026

Acrel strap wireless temperature sensor online temperature monitoring in power cabinets supports dual power supply (CT sensor + battery) ATE210S

●Model:ATE210S

●Brand:Acrel

●Power:CT+battery

●Temperature measurement range: -40℃~125℃

●Measurement accuracy: ±1℃

●Wireless Transmission:470MHz/433MHz/868-923MHz

●Communication distance:up to 200 meters

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TEL/WECHAT/WHATSAPP:0086-18702112018

28/08/2026

In modern power systems, safety and reliability are paramount concerns. As a new type of electrical safety device, the main function of an arc fault protector is to effectively detect and interrupt arc faults, thereby preventing accidents such as fires.

ARB4 serise arc fault protector suitable for arc protection and automatic control functions in power systems with voltage levels of 35kV and below. The device can achieve functions such as arc protection, arc fault point positioning, real-time self inspe

protection Flash protection device sensor -S monitoring

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17/08/2026

AIM-D100-CAD Dual-channel DC positive and negative pole resistance to ground insulation monitoring

*Monitors dual-channel DC positive and negative resistance to ground, alarming when below set value.

*Measures voltage between positive and negative terminals and between positive and negative terminals and ground.

*LED indicators for operation, communication, warning, alarm, and reverse connection.

*Dual-channel independent monitoring and alarm.

*Parameters can be set via DIP switches.

*RS485 communication, Modbus-RTU protocol.

*Supports periodic monitoring and communication-triggered monitoring.

monitoring monitoring -D100-CAD system

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The AIM-D100-CAD is a dual-channel insulation monitoring device by Acrel. It operates in the DC voltage range of 100V - 1000V. Equipped with RS485 and Modbus - RTU communication interfaces, it supports both periodic monitoring and communication - triggered monitoring. Ideal for applications requirin...

11/08/2026

Quick Look at Acrel’s New EU DC Chargers – 80KW to 320kW

🔹 Protocol stack

They finally included ISO15118 & DIN70121 out of the box – so Plug&Charge works natively, no extra authentication steps for EV drivers. OCPP comes as 1.6J but with a firmware path to 2.0. That’s a sensible choice – 2.0 is the future, but 1.6J is still what most backends actually run today.

🔹 Voltage range

150–1000V DC. Covers both older 400V packs and newer 800V architectures without an external booster. One less box to buy.

🔹 Two underrated hardware features

Optional cable retractor – keeps the cable off the ground, reduces wear and tear. Small thing, but saves operators from replacing cables every few months.

ADA compliance – initially thought this was US-only, but turns out EU public tenders increasingly ask for similar accessibility standards. Good to have if you're bidding for municipal projects.

🔹 Dynamic Load Balancing (DLB)

This isn't marketing fluff. In many European cities, transformer capacity is the real bottleneck. DLB lets you share available power across chargers without upgrading the grid connection – which can cost more than the chargers themselves.

🔹 CE approach

They specified "key components have CE certification" rather than claiming "whole machine" CE. For logistics folks: this typically means lower risk of customs hold-ups, since the power modules and control boards are already pre-cleared.

Also available in both CCS2 and GBT versions – useful for Chinese manufacturers who want to test locally with GBT before shipping units to Europe.

pile charging pile operation and maintenance

11/08/2026

Separate metering of grid and diesel generators & Monitoring of diesel generator status

*Precise metering, independent accounting! Separate utility and diesel power generation statistics provide clear, controllable costs and more efficient electricity management!

Separate PV & Diesel Power Metering Solution ！

*Green energy, smart management! Separate PV and diesel power generation metering optimizes energy allocation, enabling cost reduction and efficiency gains at a glance!

*Applicable scenarios: Industrial parks, data centers, communication base stations, and other locations requiring multiple power sources.

Core Value: Accurate data supports decision-making, improves energy utilization, and reduces operating costs!

-source electricity meter metering # Monitoring of diesel generator status Metering Solution generator status SOURCE meter meter power sources meter

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Tel/wechat/whatsapp 0086-18702112018

07/08/2026

Acrel ALP200, ALP220 and ALP320 intelligent low voltage line protect solutions !

*low-voltage system with rated voltage to AC 660V

*rated current to AC 400A

*rated frequency of 50/60Hz

*Inverse time over current protection

*Low definite-time over current protection

*High definite-time over current protection

*Low definite-time zero sequence protection

*High definite-time zero sequence protection

*Inverse time zero sequence protection

*Open-phase protection

*Unbalance protection

*Current demand protection

*Undervoltage protection

*Overvoltage protection

*RS485 interface communication protocol:ModbusRTU

protect relay current protection protection

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03/08/2026

SST Solid State Transformer with Supporting Electrical Safety Solutions ！

1. Input cabinet front-end 10kV intermediate voltage switchgear, equipped with a complete medium-voltage protection and control solution, including AM5SE/ASD300/ARB/APD300, etc.

2. Input cabinet, configured with arc flash protection, partial discharge, and wireless temperature measurement products.

3. Power cabinet, configured with arc flash protection and partial discharge.

4. DC output cabinet, configured with DC insulation monitoring, DC temperature measurement, and arc flash protection.

5. Power cabinet configured with environmental monitoring sensors, such as smoke detectors, water immersion detectors, temperature and humidity detectors, and miniature cameras.

6. The above equipment collects data through a gateway.

relay flash protection device discharge monitoring device insulation monitoring device

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Tel/wechat/whatsapp:0086-18702112018

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