The ABB AEXB-02 (3HNE06225-1/07) is an Ex p purge controller module designed for hazardous area automation systems. Its core function is to regulate the flow of protective gas (typically compressed air or inert gas) into an electrical enclosure, creating a positive internal pressure relative to the surrounding hazardous atmosphere. This pressure differential physically prevents explosive mixtures from entering the cabinet, ensuring safe operation of electrical equipment in explosive environments.
Item No :
AEXB-02Order(MOQ) :
1Payment :
EXWProduct Origin :
SwedenShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
0.2kgProducts Description
New and Original ABB AEXB-02 3HNE06225-1/07 DCS Module in stock
| Model Number | AEXB-02 3HNE06225-1/07 |
| Place of Origin | Sweden |
| Dimension/Weight | 9.6*11.9*5.4cm / 0.2kg |
| Condition | New and Original |
| Warranty | 1 year |
| Shipping term | DHL Fedex TNT EMS UPS |
| Payment | TT / Western Union |
| Delivery time | 3-5 days |
| Service | 24 Hours Online Service |
Key Parameters and Features
| Item | Specifications / Features |
|---|---|
| Product Type | Ex p Purge Controller / Interface Board |
| System Platform | ABB hazardous area automation systems, robot controllers |
| Part Number | 3HNE06225-1 (variants like /07 depending on production lot) |
| Safety Certification | ATEX certified, II (2) G D (suitable for gas and dust explosion-hazard zones) |
| Terminal Architecture | Isolated connector blocks X1, X2, X3, X4, X5, X6, X7 |
| Weight | Approximately 0.5 kg to 0.9 kg (varies by source) |
| Product Status | Available as new/used stock from third-party suppliers |
Central Intelligence of Ex p Safety System: The module's standout feature is its role as the central controller for pressurized enclosure safety. It manages pre-operational purging to flush hazardous gases before energizing electronics, real-time monitoring of internal enclosure pressure and flow rates, and automatic interlocking to isolate power if pressure drops below safety thresholds.
ATEX Certified for Hazardous Areas: The AEXB-02 carries ATEX certification with the marking II (2) G D, designating its suitability for both gas and dust explosion-hazard zones. This certification is critical for maintaining the legal safety compliance of the entire control cabinet or robotic cell.
Specialized Microprocessor Array: The module utilizes a highly specialized microprocessor array optimized for safety-critical reaction times. This ensures reliable, fast response to pressure changes and eliminates false alarms or nuisance tripping that can occur with generic aftermarket boards.
Structured Terminal Architecture: The physical interface features dedicated, isolated connector blocks marked as X1 through X7. Blocks X1/X2/X3 handle primary power distribution and high-voltage interlocks, X4/X5 serve as low-voltage digital and analog signal channels, and X6/X7 provide serial communication links to the main ABB robot controller or central PLC.
The AEXB-02 is used as a critical safety component in hazardous area automation systems, including:
Robot Cells: Ensuring safe operation of ABB robots in explosive atmospheres
Turbine Control Systems: Monitoring and protection in hazardous zones
Oil & Gas Facilities: Purge control for electrical enclosures in refineries and petrochemical plants
Intelligent Multi-Fuel Flame Detection Systems: Safety-critical combustion monitoring
Q1: What is the primary function of the AEXB-02 module?
A: It is an Ex p purge controller that regulates protective gas flow into electrical enclosures to maintain positive internal pressure, preventing explosive mixtures from entering and ensuring safe operation of electrical equipment in hazardous areas.
Q2: What certifications does this module carry?
A: The module is ATEX certified with the marking II (2) G D, indicating suitability for both gas and dust explosion-hazard zones.
Q3: Can I use a third-party replacement instead of the original ABB board?
A: No. Using non-OEM components voids the ATEX certification of the entire enclosure, creating serious compliance issues during insurance or regulatory audits. Generic boards may also suffer from signal timing imbalances, leading to false pressure drop alarms and nuisance tripping.
Q4: What is the terminal layout of the AEXB-02?
A: The module features isolated connector blocks X1 through X7. X1/X2/X3 handle power distribution and E-Stop interlock loops; X4/X5 carry low-voltage digital/analog feedback signals; X6/X7 provide serial communication to the main controller or PLC.
Q5: What safety precautions should be taken before replacing this module?
A: Follow Lockout-Tagout (LOTO) protocols: isolate and lock out main power, verify zero voltage with a calibrated multimeter, shut off pneumatic supply and bleed residual air, wear an ESD wrist strap during handling, and photograph existing wiring before disconnection.
Q6: What happens if the AEXB-02 malfunctions?
A: Any malfunction in the purge controller will completely halt the surrounding automation processes, as it serves as the central intelligence of the Ex p safety system. This makes rapid, reliable replacement absolutely critical.
The AEXB-02 is part of ABB's hazardous area safety product family. Below are related models and components:
| Product/Model | Type | Brief Description |
|---|---|---|
| AEXB-02 (3HNE06225-1/07) | Featured Module | Ex p purge controller with ATEX certification |
| 3HNE06225-1 | Base Model | Similar purge controller module, often listed with /07 variant |
| ABB Robot Controllers | System Platform | The AEXB-02 integrates with ABB robot controllers for hazardous area applications |
| Central PLC Systems | System Platform | The module communicates with plant PLCs via serial links X6/X7 |
For hazardous area robot cells: The AEXB-02 is the correct choice, providing the required ATEX certification for Ex p safety systems.
For compatibility verification: Always cross-reference the part number 3HNE06225-1 (including production lot variants like /07) against the existing module label to eliminate compatibility risks.
The part number ABB UNS 0885a-Z V1 (3BHB006943R0001) has a wide range of conflicting descriptions across different sources. Based on the most consistent manufacturer-aligned evidence, it is identified as a Converter Display Board for the UNITROL UN 5000 converter system.
The ABB UNS 0017a-P V1 (HIEE305106R0001) is a Firing Card (Trigger Board) designed for ABB's UNITROL 6000 X-power static excitation systems and legacy high-power thyristor converter cabinets. The board is engineered for high electromagnetic noise environments typical of power generation and heavy industrial drive applications.
The ABB UNS 1860b-P V1 (3BHB001336R0001) is a Measuring Interface Board (MUB) designed for ABB's UNITROL 5000/6000 static excitation systems. The board performs high-precision isolation, filtering, and A/D conversion, converting raw field signals into digital data for the excitation controller (CPU) via the backplane bus.
The ABB AINP-01C is an Input Bridge Control Board / Inverter Trigger Board engineered specifically for the ABB ACS800 series drives. It serves as the core rectifier control component, responsible for generating precision-timed firing pulses to control thyristors in the drive's input bridge.
The ABB AINT-14C (68685826D) is a Main Circuit Interface Board designed for the ABB ACS800 series drives. It serves as the critical signal bridge between the drive's control unit and external automation systems (PLC/DCS), handling analog/digital I/O and DDCS fiber optic communication.
The Siemens C98043-A7010-L2-5 is a Field Excitation Power Board designed for the SIMOREG DC-MASTER 6RA70 series of DC drives. This module serves as the core power supply and control unit for the DC motor's field winding, providing stable and precisely regulated excitation current to maintain a consistent magnetic field in the motor.
LF505-S/SP27 Spare Part New in stock 1 year warranty Origin from Romania
C98043-A7002-L4 Spare Part New in stock 1 year warranty Origin from Germany
Scan to Wechat :
Scan to WhatsApp :
