HIMA K9212

Description

Product Description

Product Parameters

• Brand/Model: HIMA K9212
• Core Power Parameters
  • Input Voltage: 100-240V AC (50/60Hz) or 110-300V DC (dual redundant input)
  • Output Voltage: 24V DC (regulated), ±0.5V accuracy
  • Output Current: 10A (continuous), 12A (peak for 10s)
  • Efficiency: ≥90% (at full load)
  • Ripple & Noise: ≤50mV p-p (24V output)
• Protection & Safety Parameters
  • Overvoltage Protection: 28V DC (automatic shutdown, self-reset)
  • Overcurrent Protection: 11A (constant current limiting)
  • Surge Protection: Compliant with IEC 61000-4-5 (±4kV surge immunity)
  • Thermal Protection: Automatic shutdown at ≥85°C internal temperature
  • Isolation: Input-output isolation (3kV AC), output-output isolation (500V AC)
• Environmental & Physical Parameters
  • Operating Temperature: -40°C ~ +70°C
  • Storage Temperature: -40°C ~ +85°C
  • Vibration Resistance: 15g (10-2000Hz, IEC 60068-2-6 standard)
  • Power Consumption: ≤5W (no-load)
  • Protection Grade: IP20 (cabinet installation)
  • Installation Method: HIMA HIMax standard rack mounting or DIN 35mm rail mounting
  • Dimensions: 170mm × 120mm × 100mm

Advantages & Features

1. Dual Redundant Input for Uninterrupted Power: HIMA K9212 supports dual AC/DC input sources, automatically switching to the backup power supply if the primary source fails. This eliminates single points of failure in the power system, critical for safety-critical applications like emergency shutdown systems (ESD) and fire/gas detection systems.
2. Comprehensive Protection Mechanisms: Equipped with overvoltage, overcurrent, surge, and thermal protection, HIMA K9212 shields connected HIMax components from electrical damage caused by grid instability, equipment faults, or extreme temperatures. The self-reset function reduces manual intervention after minor faults.
3. High Efficiency & Low Heat Dissipation: With ≥90% efficiency at full load, HIMA K9212 minimizes energy waste and heat generation, reducing the load on cabinet cooling systems and extending the service life of adjacent modules (e.g., CPU, I/O).
4. Hot-Swappable & Intelligent Monitoring: HIMA K9212 supports hot-swappable replacement without shutting down the HIMax system, allowing maintenance during normal operation. Built-in LED indicators and system-level diagnostics provide real-time visibility into input/output status, fault alerts, and temperature.

Application Fields & Cases

1. LNG Plant HIMax SIS Power Supply: A major LNG terminal deployed HIMA K9212 modules to power its HIMax SIS CPU and I/O modules in cryogenic storage and processing areas. The dual redundant input design ensured continuous power during a grid outage, preventing a costly shutdown of the terminal’s ESD system.
2. Chemical Plant Reactor Safety System: A petrochemical plant integrated HIMA K9212 into its HIMax SIS, providing redundant power to emergency shutdown controllers and valve actuation modules. The module’s surge protection (±4kV) withstood lightning-induced voltage spikes, safeguarding the SIS from electrical damage.
3. Nuclear Power Plant Auxiliary Control System: A nuclear power plant used HIMA K9212 to supply power to its HIMax-based auxiliary cooling and containment systems. The module’s wide temperature range (-40°C ~ +70°C) and vibration resistance ensured reliable operation in the plant’s harsh environment, complying with strict nuclear safety regulations.

Competitor Comparison

Selection Suggestions & Precautions

1. Selection Suggestions: HIMA K9212 is the optimal choice for HIMA HIMax users requiring redundant, high-reliability power supplies for safety-critical systems (e.g., ESD, nuclear auxiliary controls). For applications with lower current demands (5A), HIMA K9211 is recommended. Non-HIMA system users may prefer Siemens SITOP PSU8200 for broader compatibility or Schneider Electric Easy UPS for cost efficiency.
2. Precautions:
   • Ensure dual input sources are connected to independent power grids (e.g., main grid + UPS) to maximize redundancy benefits and avoid common-mode failures.
   • Install the module in a well-ventilated cabinet with minimum 5cm clearance to prevent overheating, especially when operating at full load in high-temperature environments.
   • Verify output voltage accuracy (24V DC ±0.5V) before connecting to sensitive HIMax components (e.g., CPU modules) to avoid damage from voltage fluctuations.
   • Regularly inspect LED indicators and system diagnostics (monthly) to detect early signs of power supply degradation (e.g., reduced efficiency, frequent self-resets).
   • Use only HIMA-certified cables and connectors to maintain isolation and surge protection integrity, ensuring compliance with safety standards.

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