Products Description

ABB REA101-AA RLY-REA101-AAAG Arc Protection Relay Module
The ABB REA101-AA RLY-REA101-AAAG is an industrial arc protection relay module designed to detect, respond, and isolate arc faults in high-voltage and medium-voltage systems. It ensures rapid disconnection of faulty circuits to prevent damage, reduce downtime, and enhance personnel safety.
Engineered for industrial and utility applications, the module provides fast detection, high reliability, and integration flexibility for protective relay systems.
With over 50 million in inventory, PLC EXPORT delivers only brand-new, authentic components- ready to ship,
rigorously tested, and backed by professional technical support.
Our address
32D Guomao Building, Siming District, Xiamen, Fujian, China
Phone Number(Whatsapp)
+86-18020714492
sales1@askplc.com

Role in Electrical Systems
Power Lines / Switchgear → REA101-AA Arc Protection Relay → Trip/Control Outputs
The REA101-AA serves as a critical protective layer, continuously monitoring current and voltage characteristics to identify arc events. Upon detection, it triggers immediate corrective action, such as tripping breakers or alerting control systems, minimizing the risk of equipment damage and fire hazards.
Key Features
● Fast-acting arc fault detection
● Trip relay outputs for immediate isolation
● Compatible with ABB relay and protection systems
● Adjustable sensitivity for different voltage and current levels
● Compact design for integration into switchgear panels
● Designed for continuous monitoring and high reliability
This module ensures rapid and precise protection, safeguarding both equipment and personnel.
Engineering Advantages
◆ Reduces damage from electrical arcing
◆ Minimizes downtime in critical systems
◆ Supports configurable protection settings
◆ Simplifies retrofitting into existing protective schemes
◆ Enhances safety in industrial and utility installations
By providing early fault detection, the REA101-AA improves operational safety and system resilience.
Product Identification
| Parameter | Specification |
|---|---|
| Product Type | Arc Protection Relay Module |
| Model | REA101-AA |
| ABB Part Number | RLY-REA101-AAAG |
| Function | Arc fault detection and relay output |
| Trip Outputs | Relay contacts for breaker tripping |
| Sensitivity | Adjustable for current and voltage thresholds |
| Mounting | Switchgear or relay panel integration |
| Operating Mode | Continuous monitoring |
| Environmental Rating | Industrial-grade |
| Manufacturer | ABB |
Typical Applications
- Medium and high-voltage switchgear
- Industrial power distribution systems
- Utility substations
- Arc flash protection in manufacturing plants
- Retrofit or upgrade of protective relay panels
The module is particularly valuable where arc fault mitigation is essential for safety compliance and equipment protection.
Installation & Integration
The REA101-AA module is mounted within protective relay panels or switchgear. Correct wiring to sensing elements and breaker control circuits ensures rapid response. No complex software is required; the module operates as a hardware-based protection device.
Supply & Warranty
We provide ABB REA101-AA RLY-REA101-AAAG Arc Protection Relay Modules with:
✓ Verification of part number and compatibility
✓ Inspection for operational integrity
✓ Industrial-grade protective packaging
✓ Worldwide shipping support
✓ One-year warranty only
MORE OPTIONS
| YOKOGAWA | ATA4D-00 S2 | Schneider | 520422000 |
| YOKOGAWA | CP451-50 S2 | Schneider | MPCYT90NAN00N |
| YOKOGAWA | ADV141-S13 S1 | Schneider | 140CPU65160S |
| YOKOGAWA | ADV141-P10 S1 | Schneider | 140CRP93200C |
| YOKOGAWA | SPW481-13 | Schneider | 140NOM21200 |
| Yokogawa | AMM22 S3 | Schneider | 140DSI35300 |
| YOKOGAWA | SAI143-S63 | Schneider | 600558000 |
| YOKOGAWA | ANT512-5F | Schneider | AS-S908-110 |
| YOKOGAWA | AAI141-S00 S2 | Schneider | 975750000 |
| YOKOGAWA | SPW481-13 S1 | Schneider | 140ACO13000 |
| YOKOGAWA | AMM32 S3 | Schneider | 140CPU67060 |
| YOKOGAWA | F3RP45-2P/L1 | Schneider | 140ARI03010C |
| YOKOGAWA | ARM55W-000 S1 | Schneider | 140DDO84300 |
| YOKOGAWA | DP97*B | Schneider | 140CHS32000 |
| YOKOGAWA | AAI143-S50 | Schneider | 140CPU67160 |
| YOKOGAWA | AAI141-H00 S1 | Schneider | 140CRA21220 |
| YOKOGAWA | DX11*A | Schneider | 170AAI14000 |
| YOKOGAWA | SDV531-L33 S3 | Schneider | TSXP57153M |
| YOKOGAWA | ADV151-E50 S2 | Schneider | 140DDO35300 |
| YOKOGAWA | ANB10D-S1 | Schneider | 140NRP95400 |
Common Problems
Q1: Can the REA101-AA detect arc faults in both medium and high-voltage systems?
Yes. The module is suitable for various voltage levels within its specified range.
Q2: Does it require software configuration to operate?
No. It functions as a hardware-based protection device; basic operation requires only proper wiring.
Q3: Can it be integrated into existing ABB relay panels?
Yes. Its modular design allows retrofitting into compatible protective relay systems.
Q4: How quickly does the module respond to an arc fault?
The module is designed for fast detection and immediate relay activation to minimize damage.
Q5: Is it suitable for continuous monitoring in industrial environments?
Yes. It is engineered for 24/7 operation under industrial conditions.
Hot Tags: abb rea101-aa rly-rea101-aaag arc protection relay module, China abb rea101-aa rly-rea101-aaag arc protection relay module manufacturers, suppliers, FPR3327101R1202 datasheet, ICSM06A6 ABB, ABB ICSM06A6, ICSK20F1 FPR3327101R1202, CS31 FPR3315101R1032, ICSM06A6 FPR3350601R1062

