
Transformer Rectifiers & CP Power Supplies
BSS Technologies manufactures standard and customised Transformer Rectifiers and CP Power Supplies. Options include safe area, hazardous area and electrochlorination applications.

Reliable Power for Critical Assets
Impressed Current Cathodic Protection (ICCP) systems depend on a stable and controllable DC power supply. BSS Technologies manufactures Transformer Rectifiers and CP power supplies for oil & gas, industrial plants, marine, desalination, and infrastructure applications. Units can be configured for different output ratings, cooling methods, control options and installation environments, including safe and specified hazardous-area applications.

Our Transformer Rectifiers & CP Power Supplies Range
Whether your project requires a proven, standard off-the-shelf unit or a fully custom-engineered system for extreme environments, our portfolio is built to deliver precision, durability, and long-term performance.
CP Power Supply for Safe Area
Our impressed current power solutions are built for safe area use, offering versatile air and oil-cooled configurations for your site. Choose from manual tap controls or automatic potential settings to suit specific project requirements. We also supply tailored SMPS units and specialized DC controllers for solar cathodic protection systems.
Single and three-phase units with tap or thyristor control.
Durable enclosures available for indoor and outdoor safe areas.
Output ratings and control schemes tailored to your project.
Advanced SMPS power supplies for concrete structure protection.
Optional timer, DC fuse alarm, and surge arrester features.

CP Power Supply for Hazardous Area
We engineer highly reliable power supplies for hazardous installations, providing ATEX and IECEx certified transformer rectifiers for site use. These robust units are designed to meet strict classified area standards, featuring specialized enclosures alongside diverse cooling arrangements to guarantee safe and continuous operation in industrial plants.
Fully certified ATEX and IECEx units for classified zones.
Engineered specifically for hazardous impressed current CP.
Flexible cooling options including specialized oil cooling.
Seamlessly integrates with remote monitoring and control.
Available in multiple input supplies and operating modes.

IECEx Certified Transformer Rectifier
Our IECEx certified transformer rectifiers are engineered for Zone 2, combining flameproof enclosures with liquid immersion safety methods. These fully integrated units feature advanced remote control systems, precise GPS synchronization, and flexible communication capabilities. This setup guarantees dependable power within explosive atmospheres.
IECEx marking of Ex db oc IIB+H2 T4 Gc for Zone 2 safety.
Features a flameproof Ex d enclosure in SS316L or aluminium.
Configurable RS485, optical, or wireless communication ports.
Operates reliably in ambient temperatures from -20°C to +55°C.
Uses IEC 60296 compliant insulating oil for natural cooling.

Chlorination Rectifiers
Our high-current chlorination rectifiers are expertly manufactured to power demanding seawater electrolysis and electrochlorination facilities. Built to thrive in harsh coastal environments, these dependable systems provide the continuous power necessary for critical water treatment work. Advanced cooling and precision controls maximize your plant efficiency.
Heavy-duty DC power supplies built for electrochlorination systems.
Delivers precision control for continuous sodium hypochlorite output.
Housed in highly corrosion-resistant enclosures for coastal regions.
High-efficiency components significantly minimize operational losses.
Output ratings and specifications fully customized to project needs.

CP EYE™ RMCS
The CP EYE™ RMCS system provides centralized real-time monitoring and comprehensive control for remote cathodic protection power units. This system easily combines field-level hardware with software to deliver live operating data, automated testing, and alarm management. The flexible setup seamlessly integrates with legacy equipment via multiple communication options.
Live display of voltage, current, and reference potentials.
Built-in GPS synchronization for automated interruption.
Retrofit capability to upgrade legacy transformer units.
Supports Modbus RTU, Ethernet TCP/IP, optical, and GSM.
Centralized event monitoring and automated alarm systems.

Transformer Rectifier Ordering Guide
BSS Technologies utilizes a structured product coding system to help clients accurately specify their required Cathodic Protection Power Supply. Each order code is built by selecting key unit parameters, including the output rating, input supply, control method, cooling arrangement, and enclosure type. Simply choose the relevant features from the designated categories below to configure your equipment.
Configure your Cathodic Protection Power Supply using this structured product coding matrix to define parameters like rated outputs, input supply, operating mode, control method, cooling arrangement, enclosure certification, and special options.
Sample Order Code: BS-TR-48-100-A-1-A-A-O-S-BIS
REFERENCE | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
SAMPLE CODE | BS | TR | 48 | 100 | A | 1 | A | A | O | S | BIS |
REF | PARAMETER | CODES & DESCRIPTION |
|---|---|---|
1 | Manufacturer | ◉ BS: BSS Technologies |
2 | Power Supply Type | ◉ TR: Transformer Rectifier ◉ SMPS: SMPS-Based Cathodic Protection Power Supply ◉ DCDC: DC-DC Cathodic Protection Controller for Solar Applications |
3 | DC Volt* | ◉ Rated DC Output Voltage |
4 | DC Amp* | ◉ Rated DC Output Current |
5 | AC Input | ◉ A: 480 V, 3 Phase ◉ B: 460 V, 3 Phase ◉ C: 440 V, 3 Phase ◉ D: 415 V, 3 Phase ◉ E: 400 V, 3 Phase ◉ F: 380 V, 3 Phase ◉ G: 240 V, 1 Phase ◉ H: 230 V, 1 Phase |
6 | Input Power Frequency | ◉ 1: 50 Hz ◉ 2: 60 Hz |
7 | Mode of Operation | ◉ A: Auto Potential ◉ B: Manual CVCC ◉ C: Manual Variac ◉ D: Manual Tap |
8 | Type of Control | ◉V: Variac Control - TR only ◉ T: Thyristor Control - TR only ◉ A: Tap Changer - TR only ◉ S: SMPS Control - SMPS Power Supply ◉ D: DC-DC Control - Solar DC-DC Controller |
9 | Cooling | ◉ O: Oil Cooled - TR only ◉ A: Air Cooled - TR / SMPS / DC-DC |
10 | Enclosure Type | ◉ I: Safe Area, Indoor ◉ S: Safe Area, Outdoor ◉ AT: ATEX Certified Note: For IECEx-certified Zone 2 systems, please refer to the IECEx Certified TR page. |
11 | Special Features | ◉ T: Timer ◉ F: DC Fuse Alarm ◉ O: 115 V Outlet ◉ B: Breather ◉ D: Dual Inlet ◉ I: Current Interrupter ◉ S: Surge Arrester ◉ R: Remote Control ◉ M: Multi-Channel* ◉ N: Remote Monitoring ◉ A: Auto Changeover |
◉ For Multi-Channel Transformers, Reference Nos. 3 & 4 shall be indicated as V & I respectively. The channel voltage and current details shall be provided separately.
◉ Integrated CP-Eye RMCS with RS485, optical and wireless communication options is available based on project requirements.
◉ For IECEx-certified Zone 2 systems, please refer to the IECEx Certified TR page.
Configure your Cathodic Protection Power Supply using this structured product coding matrix to define parameters like rated outputs, input supply, operating mode, control method, cooling arrangement, enclosure certification, and special options.
Sample Order Code: BS-TR-48-100-A-1-A-A-O-S-BIS
REFERENCE | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
SAMPLE CODE | BS | TR | 48 | 100 | A | 1 | A | A | O | S | BIS |
REF | PARAMETER | CODES & DESCRIPTION |
|---|---|---|
1 | Manufacturer | ◉ BS: BSS Technologies |
2 | Power Supply Type | ◉ TR: Transformer Rectifier ◉ SMPS: SMPS-Based Cathodic Protection Power Supply ◉ DCDC: DC-DC Cathodic Protection Controller for Solar Applications |
3 | DC Volt* | ◉ Rated DC Output Voltage |
4 | DC Amp* | ◉ Rated DC Output Current |
5 | AC Input | ◉ A: 480 V, 3 Phase ◉ B: 460 V, 3 Phase ◉ C: 440 V, 3 Phase ◉ D: 415 V, 3 Phase ◉ E: 400 V, 3 Phase ◉ F: 380 V, 3 Phase ◉ G: 240 V, 1 Phase ◉ H: 230 V, 1 Phase |
6 | Input Power Frequency | ◉ 1: 50 Hz ◉ 2: 60 Hz |
7 | Mode of Operation | ◉ A: Auto Potential ◉ B: Manual CVCC ◉ C: Manual Variac ◉ D: Manual Tap |
8 | Type of Control | ◉V: Variac Control - TR only ◉ T: Thyristor Control - TR only ◉ A: Tap Changer - TR only ◉ S: SMPS Control - SMPS Power Supply ◉ D: DC-DC Control - Solar DC-DC Controller |
9 | Cooling | ◉ O: Oil Cooled - TR only ◉ A: Air Cooled - TR / SMPS / DC-DC |
10 | Enclosure Type | ◉ I: Safe Area, Indoor ◉ S: Safe Area, Outdoor ◉ AT: ATEX Certified Note: For IECEx-certified Zone 2 systems, please refer to the IECEx Certified TR page. |
11 | Special Features | ◉ T: Timer ◉ F: DC Fuse Alarm ◉ O: 115 V Outlet ◉ B: Breather ◉ D: Dual Inlet ◉ I: Current Interrupter ◉ S: Surge Arrester ◉ R: Remote Control ◉ M: Multi-Channel* ◉ N: Remote Monitoring ◉ A: Auto Changeover |
◉ For Multi-Channel Transformers, Reference Nos. 3 & 4 shall be indicated as V & I respectively. The channel voltage and current details shall be provided separately.
◉ Integrated CP-Eye RMCS with RS485, optical and wireless communication options is available based on project requirements.
◉ For IECEx-certified Zone 2 systems, please refer to the IECEx Certified TR page.
Benefits of BSS Technologies Transformer Rectifiers
Flexible configurations: Choose output, cooling, control and enclosure options to suit the installation.
Hazardous-area options: IECEx and ATEX-certified configurations are available for specified applications.
Remote monitoring: CP-Eye integration provides access to operating data and remote control functions.
Designed for harsh environments: Oil-cooled and stainless-steel construction options are available for demanding sites.
Wide application range: Suitable for pipelines, tanks, marine facilities, infrastructure and electrochlorination systems.

Applications of BSS Tech Cathodic Protection TR & Chlorination Rectifiers

Areas
Oil and gas facilities
Industrial plants
Marine and offshore structures
Desalination and water treatment plants
General civil infrastructure
Hazardous and classified areas
Remote desert installations
Deep sea environments
Concrete structures
Solar-powered operations
Seawater electrolysis networks
Electrochlorination systems


Why Choose BSS Technologies as Your Preferred CP Power Supply Manufacturer?
BSS Technologies manufactures Transformer Rectifiers and CP power supplies for cathodic protection applications. Our in-house engineering team offers direct manufacturer support, assisting with unit selection, sizing, and configuration to match your exact DC output and site conditions.
We deliver standard and customised configurations, offering safe area and hazardous-area units with IECEx and ATEX certified options. All internally manufactured systems seamlessly integrate with our CP-Eye remote monitoring setup to ensure complete control over your specific project.

Need the Right CP Power Supply?
Share your required DC output, AC input, installation area and application with our technical team. We can recommend a suitable Transformer Rectifier or CP power supply configuration for your project.










