Integrated Rectifier Technologies
C.P. Sentinel (Current / Voltage Control) Series Cathodic Protection Rectifier
SKU: IRTCPSENTVC
Precise, stable automatic output control designed for demanding cathodic protection applications.
The C.P. Sentinel Series is a customizable cathodic protection rectifier designed for applications requiring precise and stable control of DC output current, voltage and/or structure-to-reference electrode potential. Available in air-cooled or oil-cooled configurations, it uses the Sentry or Tri-Sentry controller to automatically adjust rectifier output and maintain the operator-selected set point. Its integrated anti-spiking circuitry helps prevent current overshoot following DC output interruption, supporting accurate structure-to-soil potential measurements during cathodic protection performance evaluations.
Volume discounts are available for qualifying bulk orders. Use the Request Quote button to receive customized pricing.
Key Benefits
- Maintain precise output control: Automatically adjusts DC output to maintain the selected current, voltage or structure-to-reference electrode potential.
- Achieve stable control: Maintains current and voltage within the specified set-point accuracy, with potential control within ±5 mV of the selected set point.
- Simplify control mode transitions: Automatically transitions between potential, current and voltage control modes without requiring manual switching.
- Improve interruption testing accuracy: Incorporates anti-spiking circuitry to prevent current overshoot following DC output interruption.
- Adapt to application requirements: Available in air-cooled or oil-cooled configurations, with a wide range of optional features for different cathodic protection applications.
Specifications
- Rectifier type: Cathodic protection rectifier
- Cooling options: Air-cooled or oil-cooled
- Controller: Sentry controller or Tri-Sentry controller for three-phase applications
- Control modes: Current control, voltage control, on-potential control and IR-free potential control
- Automatic control: Automatic adjustment of DC output to maintain the selected current or voltage set point
- Control mode transitions: Automatic transfer between potential, current and voltage control modes
- Current and voltage control accuracy: Within ±2% of set point, as specified in the manufacturer's detailed product documentation
- Potential control accuracy: Within ±5 mV of set point
- Reference electrode input resistance: Greater than 20 MΩ
- Anti-spiking protection: Integrated circuitry to prevent current overshoot during DC output interruption
- Rectification: SCR/diode rectification bridge with surge protection
- Transformer: Class H temperature-rated, with overcapacity design and minimum 95% efficiency
- AC input: Single-phase or three-phase
- Available AC input voltages: 115, 208, 230, 416, 460, 600 VAC, 115/230 VAC or 230/460 VAC; other inputs available by consultation with the factory
- AC input protection: Magnetic-trip AC input circuit breaker(s)
- Secondary protection: AC secondary fusing with spares; additional fusing and circuit breakers optional
- DC output metering: Two 3½-inch analog meters for monitoring DC output voltage and current, with ±2% accuracy
- Optional metering: Digital meters available
- Surge protection: High-energy AC and DC lightning/surge protection
- Operating ambient temperature: -40°C to +50°C (-40°F to +122°F), as listed in the detailed controller documentation
- Enclosure: Based on the Advantage Air or Advantage Oil Series, with enclosure rating and construction dependent on application
- Electrical approval: CSA approval and NRTL electrical approval (Intertek/ETL), as specified in the manufacturer's documentation
- Optional features: Alarm circuit, base mounting legs, upgraded SCR/diode voltage rating, efficiency filter (choke), non-standard enclosure finish, GFI convenience outlet, interrupter circuit, extra rectifier meter, auxiliary positive or negative output circuit, meter switch and non-standard adjustment method
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Shipping & Returns
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