823DP-I3K1NL2-C Foxboro

823DP-I3K1NL2-C Foxboro Power Board

Product  Description：

Foxboro power boards, manufactured under the EcoStruxure Foxboro brand by Schneider Electric, are critical hardware components designed to provide stable, regulated, and isolated electrical energy to the control processors, I/O modules, and backplane assemblies within a Distributed Control System (DCS). These power boards act as the primary power conditioning layer, protecting sensitive control logic from incoming grid fluctuations, surges, and electrical noise while maintaining continuous operation in mission-critical industrial environments.

Product Parameters

The technical characteristics of Foxboro power boards are engineered to meet strict utility and industrial energy distribution standards:

• Input Voltage Range: Configurable to accept standard industrial power sources, including 100V to 240V AC at 50 or 60 Hz, as well as 24V DC or 125V DC battery backup systems.

• Output Voltage Rails: Delivers ultra-stable DC voltages, typically 5V DC for internal logic processing, 12V DC for communication interfaces, and 24V DC for field loop power.

• Efficiency Rating: High-efficiency switching topologies that typically perform at 88 percent to 93 percent efficiency, minimizing heat dissipation inside the enclosure.

• Hold-up Time: Integrated capacitive buffering that provides a minimum hold-up time of 20 milliseconds during input power interruptions, allowing seamless transition to backup generators.

• Isolation Strength: Galvanic isolation rated up to 3000V AC between the primary input, secondary outputs, and chassis ground to prevent fault propagation.

• Overvoltage Protection: Onboard hardware clamping circuits that trigger when output voltage exceeds 115 percent of nominal value, preventing damage to downstream CPU modules.

Product Advantages

Foxboro power boards are chosen for high-availability automation systems due to their robust architecture and safety features:

• True N+1 Redundancy: Designed to operate in redundant pairs where each board can carry the full load of the rack, enabling automatic, bumpless load sharing and fault isolation.

• Advanced Thermal Management: Built utilizing heavy copper planes and industrial-grade aluminum heatsinks to maximize passive thermal dissipation, eliminating the need for failure-prone cooling fans.

• Comprehensive Self-Diagnostics: Equipped with onboard monitoring circuits that continuously track output voltage accuracy, temperature thresholds, and internal component health, reporting status directly to the DCS operator console.

• Conformal Coating for Harsh Environments: Standard G3-grade conformal coating protects the board from moisture, dust, and corrosive gases like hydrogen sulfide, which are common in chemical and refining environments.

• Hot-Swappable Maintenance: Supports live serviceability, allowing a faulty power board to be removed and replaced while the control rack remains powered and active, ensuring zero process interruption.

Product Applications

These power boards provide the essential foundation of electrical reliability across major automated industries:

• Chemical and Refining Facilities: Powering the core DCS racks that control continuous distillation, cracking, and hazardous chemical processes.

• Oil and Gas Operations: Ensuring uninterrupted power for safety instrumented systems (SIS) and control nodes on offshore platforms and pipeline pumping stations.

• Thermal Power Plants: Supporting the central processing units governing boiler control, burner management, and turbine auxiliary systems.

• Water and Desalination Utilities: Powering distributed controller enclosures that manage high-volume filtration, pumping, and chemical treating processes.

• Pulp and Paper Mills: Supplying reliable energy to the dense I/O racks that track high-speed mechanical rollers and chemical wood pulping systems.

Important Precautions

To guarantee safe operation and prolong the service life of the power board, the following precautions must be observed:

• Residual Charge Hazard: High-capacity capacitors on the board retain dangerous voltage levels even after input power is disconnected. Wait at least 5 minutes after turning off the supply before removing or servicing the board.

• Proper Earth Grounding: The power board must be installed in a chassis that is bonded to a dedicated low-impedance master instrument ground to ensure effective noise filtering and surge protection.

• Input Protection Coordination: Always install the recommended external circuit breaker or fast-acting fuse on the input line to protect the power board from catastrophic upstream electrical faults.

• Ventilation Clearance: Maintain the manufacturer's specified clear space above and below the power rack enclosure to allow natural convection airflow, preventing localized hotspots that accelerate component aging.

• Load Balancing Validation: When installing redundant power boards, verify that both units are receiving input power from independent sources (such as utility grid power and an uninterrupted power supply, or UPS) to maximize the benefits of the redundant design.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.