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IT Power Supply Systems
IT Power Supply Systems
This document provides an overview of electric safety solutions specifically designed for hospital facilities, focusing on IT power supply systems. It highlights the importance of insulated power supply systems in critical care areas, such as surgical units, where wet procedures are common.
Components
The key components of the IT power supply systems include:
- Insulation panel for IT systems
- Automatic switch
- Isolation transformer for medical use
- Transformer protection
- Insulation monitor
- Line insulation fault detector
- General ground busbar
- Circuit breakers
Technical Data
- Electrical Characteristics: Input voltage options are 400V~ 3N or 230V~, with output voltage at 230V~. Systems can be three-phase or single-phase, operating at 50-60Hz, with power ranging from 3 to 10kVA.
- Insulation Monitor: Operates on AC 84...264V~ with a frequency of 47-63 Hz, classified as Class I safety. It monitors alarms for ground wire connection failure, insulation leak, temperature in the isolation transformer, overcurrent, and communication failure.
- Automatic Switch: Features a blackout response time of less than 90ms, with optional Modbus connection and manual bypass element.
- Forced Ventilation: Maximum flow rates are 150 or 170 m3/h, with power consumption of 19 or 22W.
- Temperature Sensor: Precision of ± 1% with a range of 0º - 150ºC.
- Isolation Transformer: Voltage of 230/400V~, frequency of 50-60Hz, Class I safety, leak current of less than 0.5 mA, power from 3.15 to 10 kVA, insulating class F (155ºC), no load current of less than 3%, and insulation resistance of 7 MΩ.
Regulations
The systems comply with several standards and regulations, including EN 61439-1, EN 61439-2, IEC 60364-7-710, BS7671, and HTM 06-01.
Accessories and Compatible Equipment
Accessories include the Temperature sensor PT 340. Compatible equipment includes the AC Insulation Monitor ES 1000A, Alarm repeater TDS 149-2, Multi repeater MRP 249-2A, Line insulation fault locator ES 449, and SCADA Management TDS 500-2.
Communication
The system supports remote communication with an independent web server integrated into general building management systems.
Catalog excerpts
ELECTRIC SAFETY SOLUTIONS IT power supply systems Insulation panel for IT system GENERAL INFORMATION The IT system insulation board provides a protected insulated power supply system, for surgical units and other critical care areas, designated as locations for wet procedures. Automatic switch Isolation transformer for medical use Transformer protection Insulation monitor Line insulation fault detector General ground busbar Circuit breakers TECHNICAL DATA ELECTRICAL CHARACTERISTICS 400V~ 3N | 230V~ 230V~ | 230V~ Three phase | Single phase 50-60Hz 3 to 10kVA Input voltage Output voltage Phases Frequency Power INSULATION MONITOR Power supply Frequency Safety class Fault locator Classification Monitored alarms Temperature in the isolation transformer Modbus connection Manual bypass element Isolation transformer overcurrent Communication failure ISOLATION TRANSFORMER Voltage Frequency Safety class Leak current Power Insulating class No load current Insulation resistance Ground wire connection failure Insulation leak AUTOMATIC SWITCH Blackout FORCED VENTILATION Max flow Power consumption TEMPERATURE SENSOR Precision electric safety for life etkho.c
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ELECTRIC SAFETY SOLUTIONS IT power supply systems Insulation panel for IT system CONNECTION DIAGRAM
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