145988-02 BENTLY NEVADA Redundant Power Supply Module 5 V DC/3 A 12V DC

145988-02 BENTLY NEVADA Redundant Power Supply Module 5 V DC/3 A 12V DC

145988-02 Description

145988-02 Key Features

• Dual Independent Relay Channels: Two fully isolated SPDT relay outputs for separate alarm, warning, or shutdown control functions.
• High-Galvanic Isolation: Optoelectronic isolation between input logic, relay channels, and external loads for superior noise immunity and system protection.
• Fail-Safe Operation: Configurable for normally energized (de-energize to trip) or normally de-energized (energize to trip) logic to meet diverse safety interlock requirements.
• Wide Load Compatibility: Supports a broad range of AC and DC control voltages and load types for versatile industrial integration.
• Compact Rack-Mount Form Factor: Slim, half-height design for efficient use of standard monitoring system rack space, supporting hot-swap capability.
• Front-Panel LED Diagnostics: Clear LED indicators for power status and individual channel relay state for quick visual troubleshooting.
• Industrial-Grade Durability: Sealed, rugged construction resistant to vibration, shock, dust, and oil mist common in heavy industrial settings.
• Long Electrical Life: High-quality relay contacts rated for extended mechanical and electrical switching cycles.
• Reverse Polarity & Overvoltage Protection: Built-in circuit protection safeguards against wiring errors and electrical transients.
• Universal Power Compatibility: Operates from a wide-range DC power supply for seamless system integration.
• Global Safety & EMC Compliance: Fully certified to meet international industrial standards for safety, electromagnetic compatibility, and environmental resilience.

145988-02 Materials & Applications

Materials

• Housing & Frame: Robust, lightweight aluminum alloy chassis with a flame-retardant thermoplastic front panel, providing excellent EMI shielding and structural rigidity.
• Printed Circuit Board: High-temperature, low-flammability FR-4 glass epoxy substrate with multi-layer copper tracing and heavy-duty solder masks for enhanced thermal stability.
• Relay Components: Industrial-grade electromechanical relays with gold-plated alloy contacts for low contact resistance, stable switching, and resistance to oxidation.
• Connectors: Corrosion-resistant, gold-plated terminal blocks and card-edge connectors ensuring secure, low-resistance electrical connections.
• Internal Electronics: Precision opto-isolators, voltage regulators, and transient suppression components for signal integrity and component longevity.
• Front Panel: Durable anodized aluminum finish with silk-screened labels and high-intensity, long-life LED status indicators.

Typical Applications

• Power Generation: Turbine/generator safety shutdown systems, alarm annunciation, and interlock control in thermal, hydro, and nuclear power plants.
• Oil & Gas: Compressor, pump, expander, and gas turbine protection in refineries, offshore platforms, and pipeline stations.
• Petrochemical & Chemical: Critical process machinery emergency shutdown (ESD), fault isolation, and safety interlocking.
• Metal & Steel: Rolling mill, fan, gearbox, and furnace fan safety control systems.
• Pulp & Paper: Turbine, dryer can, calender, and process roll protection and interlock systems.
• Marine: Propulsion turbine, turbocharger, and auxiliary engine safety controls on commercial vessels.
• Mining & Mineral Processing: Crusher, mill, conveyor, and dredge pump safety interlock systems.
• Cement Production: Kiln drive, induced draft fan, and roller press shutdown and alarm control.

145988-02 Important Parameters