Relé de proteção integrado numérico P3U30-5AAA3BBAC Schneider

P3U30-5AAA3BBAC is a general-purpose numerical integrated protection relay from the Schneider Electric Easergy P3 Series, also commonly referred to as a “numerical protection relay” or “protective relay device”. It is mainly used for the protection, controlar, medição, and monitoring of feeders, transformadores, motores, and other equipment in medium‑ and low‑voltage power systems.

In‑Depth Model Code Analysis (Schneider P3 Series Standard Naming Convention)

Segmento de código	Significado	Descrição
P3U30	Modelo Básico	P3 = Easergy P3 Series; U = Universal Protection; 30 = 30TE standard size (aprox.. 190×190 mm)
5	Configuração de proteção	5 = Standard feeder protection package (including overcurrent, instantâneo, falha de terra, religando, and other basic functions)
AAA	Medição & Entradas	1st A = 3CT (3 current transformer inputs); 2nd A = 1Io (1 residual current input); 3rd A = 4VT (4 voltage transformer inputs: 3 fases + neutro)
3	Interface de comunicação	3 = Dual RJ45 Ethernet ports (supports mainstream protocols such as Modbus TCP, CEI 61850)
BB	E/S digitais	1st B = 16DI (16 entradas digitais); 2nd B = 8DO (8 saídas digitais)
UM	Auxiliary Power Supply	A = Wide‑range 48–230 V AC/DC power supply (adapts to various on‑site power conditions)
C	Tensão de entrada digital	C = 220–230 V AC/DC (rated voltage for digital input circuits)

Parâmetros técnicos principais & Especificações

3.1 Parâmetros Elétricos

Categoria de parâmetro	Especificação
Auxiliary Power	48–230 V AC/DC, 50/60 Hz, tolerância +10% / –15%
Entradas Digitais (DE)	16 canais, 220–230 V AC/DC, opto‑isolated, tempo de resposta ≤ 1 EM
Saídas Digitais (FAZER)	8 canais, saídas de relé, contact rating 250 V e / 10 A or 24 Em DC / 10 UM
Entradas Analógicas	3 phase currents (TC), 1 corrente residual (Io), 4 voltages (TV)
Measurement Accuracy	Current/Voltage: Aula 0.2; Power/Energy: Aula 0.5

3.2 Funções de proteção (Feeder‑specific Configuration)

Proteção contra sobrecorrente (IDMT / definite time selectable)

Instantaneous overcurrent protection (directional optional)

Proteção contra falha à terra (definite time / IDMT)

Auto‑reclosure function (multi‑shot optional)

Proteção contra sobrecarga (alarme / trip selectable)

Voltage protection (sobretensão / subtensão / dead voltage)

Frequency protection (overfrequency / underfrequency)

Non‑electrical protection (accepts temperature, pressão, etc.)

3.3 Capacidades de comunicação

Portas Ethernet RJ45 duplas, supporting IEC 61850 ed.2, Modbus TCP, DNP3 TCP, Ethernet/IP

Optional RS485 serial port (Modbus RTU)

Supports network time synchronization (SNTP) and event recording (SOE, resolução 1 EM)

3.4 Características Físicas

Dimensões: 30TE standard (aprox.. 190×190×180 mm)

Montagem: Montagem embutida (panel mounting) or DIN‑rail mounting

Proteção de entrada: IP40 (frente), IP20 (overall)

Temperatura operacional: –25 °C to +70 °C; Temperatura de armazenamento: –40 °C to +85 °C

Peso: aprox.. 2.5 kg

Aplicações Típicas
Medium‑/Low‑Voltage Feeder Protection: 10 kV / 20 kV / 35 kV distribution feeders, enabling fast fault clearance and power restoration via auto‑reclosing
Proteção do Transformador: Diferencial, sobrecorrente, temperature protection for distribution transformers (with matching CT/VT configuration)
Proteção do Motor: Starting and running protection for HV motors, including stall, sobrecarga, perda de fase, falha de terra, etc..
Capacitor Bank Protection: Sobrecorrente, sobretensão, unbalance protection for reactive compensation capacitor banks
Sistemas de Automação Industrial: Front‑end device for SCADA systems, providing accurate electrical measurement and equipment status monitoring
Vantagens do produto & Características
Projeto Modular: Protection functions flexibly configurable via software to suit various applications
Alta confiabilidade: Based on Schneider Sepam, MiCOM, and Vamp platforms, compliant with strict EMC tests (IEC/EN 60255)
Comprehensive Measurement: Real‑time monitoring of 30+ electrical parameters: atual, tensão, poder, energia, freqüência, harmonics, etc..
Flexible Communication: Supports multiple industrial protocols, easily integrated into smart grids and automation systems
User‑friendly: Chinese UI, local keypad operation, remote network configuration, built‑in fault recording (1024 points per cycle)
Modelos Alternativos & Acessórios

6.1 Modelos Alternativos (Different Configurations in the Same Series)

Modelo Alternativo	Principais diferenças	Aplicativo
P3U30-5AAA1BCAA	1×RJ45 + 1×RS485, DI = 24 V	Legacy system upgrades requiring RS485
P3U30-5AAA2BBAB	Single RJ45, auxiliary power = 110 V	Sites with specific voltage levels, configuração simplificada
P3U30-5AAA3BDAA	Added arc‑flash protection	Fast protection for internal switchgear faults

6.2 Acessórios recomendados

Cabo de comunicação: UTP Cat5e/Cat6 for Ethernet

I/O modules: Expand DI/DO up to 32DI/16DO

HMI panel: Opcional, for local operation and data display

Test tool: Dedicated P3 series software for setting configuration and fault analysis

Instalação & Notas de Operação
CT/VT Wiring: Strictly observe polarity to avoid maloperation or inaccurate measurement
Fonte de energia: Ensure auxiliary power matches rating; surge protection recommended
Comunicação: Assign static IP to avoid conflicts
Setting Tuning: Set protection values appropriately according to on‑site equipment parameters
Manutenção regular: Annual function test, accuracy calibration, and communication/version check recommended

As a mainstream model of the Schneider Easergy P3 Series, the P3U30-5AAA3BBAC is widely used in power system protection and monitoring in industrial, energia, and infrastructure fields. It is an ideal choice for the intelligent construction of medium‑ and low‑voltage power grids.

Complete Model Guide for Schneider Easergy P3 Series

(Including Full Range Related to P3U30-5AAA3BBAC)

The Schneider Easergy P3 Series numerical protection relays are divided into Standard (P3U) and Advanced (P3x) linhas, covering feeders, transformadores, motores, generators, and other applications in medium‑/low‑voltage grids. All models are explained below by application, including key differences and suitable scenarios.

Standard Universal Protection Relays (P3U Series)

Suitable for general feeders, motores, transformadores, cost‑effective and flexible.

Modelo	Tamanho	Funções principais	Configuração Típica	Aplicativo
P3U10	10O (96×96 mm)	Basic overcurrent, no voltage measurement	P3U10-5AAA1BBAA	Simple feeders
			– 3CT+1Io, no VT	Small distribution circuits
			– 1×RJ45	Basic protection with limited budget
			– 16D/8C
P3U20	20O (96×190 mm)	Standard overcurrent + directional, with voltage measurement	P3U20-5AAA2BBAC	Directional feeders
			– 3CT+1Io+4VT	Small/medium transformers
			– 1×RJ45	Applications requiring voltage monitoring
			– 16D/8C
			– 48–230 V AC/DC
P3U30	30O (190×190 mm)	Proteção total + complete measurement + comunicação avançada	P3U30-5AAA3BBAC (original)	Complex feeders
			P3U30-5AAA3BDAA (arc‑flash)	Large transformers
				Dual Ethernet redundancy
				High‑precision measurement

P3U Series Model Code Supplement

Standard format: P3UXX-5AAA3BBAC

5th digit (5): Protection type: 5=feeder, 6=motor, 7=transformer

6th–8th (AAA): Entradas analógicas: AAA=3CT+1Io+4VT, ABA=4CT+1Io+3VT

9th (3): Comunicação: 1=1×RJ45+1×RS485, 2=1×RJ45, 3=2×RJ45

10th–11th (BB): E/S: BB=16DI/8DO, BC=24DI/12DO, BD=32DI/16DO

12th (UM): Aux power: A=48–230 V AC/DC, B=110 V AC/DC, C=24 V DC

13th (C): DI voltage: C=220–230 V AC/DC, D=110 V AC/DC, E=24 V DC

Advanced Specialized Protection Relays (P3x Series)

For dedicated high‑performance protection with built‑in algorithms.

2.1 Feeder‑specific Advanced Protection

Modelo	Tamanho	Funções principais	Configuração Típica	Aplicativo
P3F30	30O	Directional overcurrent + tensão + optional arc	P3F30-CGGIA-AAEOA	Complex feeders
			– 4CT+4VT	Ring networks
			– 2×RJ45+1×RS485	Switchgear arc‑flash protection
			– 22DI/13DO
P3L30	30O	Line differential + distância + directional overcurrent	P3L30-LGGIA-AAEOA	Long transmission lines
			– 6CT+4VT	Critical lines
			– Dual IEC 61850	Ring network differential
			– 22DI/13DO

2.2 Motor‑specific Advanced Protection

Modelo	Tamanho	Funções principais	Configuração Típica	Aplicativo
P3M30	30O	Proteção do motor + RTD temperature	P3M30-MGGIA-AAEOA	HV motors
			– 3CT+1Io+4VT	Critical motors with temperature protection
			– 16D/8C + RTD
			– Dual RJ45
P3M32	30O	P3M30 + motor differential	P3M32-MGGIA-AAEOA	Motores grandes (≥2000 kW)
			– 6CT+4VT	Motor‑transformer units
			– Differential module
			– 22DI/13DO

2.3 Transformer‑specific Advanced Protection

Modelo	Tamanho	Funções principais	Configuração Típica	Aplicativo
P3T32	30O	Transformer differential + non‑electrical + backup	P3T32-TGGIA-AAEOA	Transformadores de distribuição
			– 6CT+4VT	Power transformers
			– WOG/pressure/temperature
			– 22DI/13DO

2.4 Generator‑specific Advanced Protection

Modelo	Tamanho	Funções principais	Configuração Típica	Aplicativo
P3G30	30O	Generator protection + verificação de sincronização	P3G30-GGGIA-AAEOA	Small generators
			– 3CT+1Io+4VT	Geradores de backup
			– Frequency/voltage/sync
			– 22DI/13DO
P3G32	30O	Generator differential + stator/rotor earth	P3G32-GGGIA-AAEOA	Large generators
			– 6CT+4VT	Main power generators
			– 100% stator earth
			– Rotor earth

Tabela de comparação de chaves (Related to P3U30-5AAA3BBAC)

Item	P3U10	P3U20	P3U30	P3F30	P3M32
Tamanho	10O	20O	30O	30O	30O
Max I/O	16D/8C	24DI/12DO	32D/16C	32D/16C	32D/16C
Comunicação	Single Ethernet + Serial	Single Ethernet	Ethernet dupla	Dual + Dual Serial	Dual + Dual Serial
Proteção	Basic overcurrent	Sobrecorrente + directional	Completo + arc optional	Direcional + tensão + arc	Motor differential + RTD
Precisão	Aula 0.5	Aula 0.5	Aula 0.2	Aula 0.2	Aula 0.2
Aplicativo	Simple feeder	Standard feeder/transformer	Complex feeder/transformer	Critical feeder/ring	Motor grande