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Hazardous Area Transformer Rectifiers
SBS manufacture a wide range of hazardous area rated power supply, control and surge protection equipment including a range of transformer rectifiers which have been independently approved and certified for Zone 1 and 2 classification.
All units manufactured by SBS are accredited by a notifying body and are certified to ATEX, UK Ex or IEC Ex classification standards.
Features:
- Approved for zones 1, 2, 21 & 22
- Both manual control and auto potential control
- Bespoke design to meet customer size requirements
- Viewing window for ease of monitoring
- High quality paint finish
- Surge protection
- Audited systems with complete traceability
- Unit Testing
Prior to dispatch all units undergo rigorous testing. All TR units are built and tested to BS EN 60079 Explosive atmospheres and BS EN 61439 Lowvoltage switchgear and control gear assemblies
- Technical Datasheet available upon request
- Flexibility Offered
- Single or multi-channel channel units
- Choice of non-synchronous timer / – GPS synchronous timer
- Options for Remote Monitoring and Control
- Phase fail alarm option
- Over temperature alarm option
- Digital meters
Hazardous Area Build Specifications
Transformer Rectifier units designed for plinth mounting and consisting of:
- Ex o oil tank with channels at base, housing all power components including transformer, rectifier and DC choke. All cabinet terminations in Ex e air space above the oil.
- Ex d control cabinet mounted to front of tank housing all control & monitoring circuitry including HMI
- Ex d DC cabinet mounted to rear of tank, housing HSF fuses, DC MCB, terminals, smoothing & switching circuitry (Optional)
- Add Ex d/e AC isolator mounted to right side of control cabinet (optional) Sunshade (Optional)
- All interconnections via Ex rated glands & conduits
Local Metering and Controls via HMI Panel with Push Buttons, complete in service control and monitoring of:
The HMI has an OLED screen and 5-way keypad. To enable operation in hazardous area without opening the control cabinet door, the HMI screen is visible through a viewing window and momentary push buttons are fitted to the external to mimic the 5 way keypad.
Monitoring:
- DC voltage and current
- Up to 8x References
- Control mode
- Alarms
- AC ripple
- Oil and cabinet Temperature
- Oil Level
Control:
- Control Mode
- Control set point and limits
- Alarms
- DC Timer (GPS Optional)
- Datalogging
- Instant of
Controls integrated into the HMI include optional DC Timer Interrupter with or without GPS time synchronisation
Remote Monitoring and Control System
The RMCS is factory set up and tested to ensure the system is ready to go. The only on site configuration required is related to the communications networks.
The RMCS is configured specifically to the project requirements including but not limited to:
- Project/Site Name
- Number of DC outputs
- DC output ratings Number of Reference electrodes
- Project specific naming of DC outputs and reference electrodes
- DC output logging and switching schedules
The RMCS software is licensed to the system with no on going costs.. The RMCS system can be accessed and operated from the following:
- RMCS PC, Using web browser interface
- Local PC, A PC on the same LAN network using a web browser
- Remote PC via the internet and remote desktop software e.g. Team Viewer or web browser.
Hazardous Area Guide for ATEX & IECEx (zones/groups)
SBS can guide you through the classification process to ensure you meet specification and produce the correct certification to meet the project requirements. A brief summation of the different classification categories are detailed below for your reference.
Zones of Use Explosive Atmospheres
SBS can guide you through the classification process to ensure you meet specification and produce the correct certification to meet the project requirements. A brief summation of the different classification categories are detailed below for your reference.
Hazardous Area Products
SBS also manufacture a complete range of Hazardous Area Rated Junction Boxes and Solid State Surge Divertors to ensure that any Zone rated requirements can be met in full and without compromise.
Exd Junction Boxes for
Zone 1 & 2 Hazardous Areas
Zone 1 & 2 Hazardous Area
EDD Devices
Terminal Boxes for
Zone 2 Hazardous Areas