HDB medical IT single/three-phase, isolated transformer

Medical IT system separates the unprotected area and the electric line in the protected area. All electric conductors in the protected area are isolated from the ground to prevent the dangerous current on the line from causing micro-electric shock. To provide a safe and reliable power supply for the medical appliances in the place to ensure safety.
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  • Product Description
  • Product parameters
  • HDB IT series medical isolation transformers are used in medical IT systems. Single-phase isolation transformer and three-phase isolation transformer. The conventional capacity ranges from 3.15 KVA to 10 kva with voltages of 220V, 230V, and 380V. Medical IT systems are primarily used in critical level 2 medical facilities, such as operating intensive-care unit and ICU CCU units, to provide safe, reliable and continuous power distribution for critical equipment in these facilities. The product can realize the real-time monitoring of the insulation, load and temperature of the insulation transformer in the IT system. Medical IT system insulation monitoring and fault location products include medical isolation transformers, medical intelligent insulation monitoring instruments, current transformers, insulation fault location devices, test signal generator, power modules and centralized alarm and display equipment.


    Product details advantages:

    1.the transformer ratio between primary and secondary windings is 1:1;

    2.double insulation treatment between windings, and the design of electrostatic shielding layer.

    3.built-in PT100 temperature sensor for monitoring the temperature of isolated Transformer

    4.protection grade IP00 or IP20

    5.vacuum impregnated insulation of transformer body

    6. noise level & LT 50 dB (a)(no-load and rated load)

    7.vector group: IIO

    8. for converting TN system to IT system (ungrounded system) after isolating transformer.

  • 技术参数
    产品型号 IT
    额定容量 0.1KVA ~ 2500KVA (可定制)
    输入电压 220V,380V(可定制)
    输出电压 220V,380V (可定制)
    相数 单相 / 三相(可定制)
    频率 50Hz / 60Hz 
    绝缘等级 F级/ H级 (可选)
    绕组线材 H级 漆包铝线 或 铜线 (可选)
    绝缘方式 H级绝缘漆真空浸漆
    耐压测试 初级对次级 5KV/1分钟
    初级对地 5KV/1分钟
    次级对地 5KV/1分钟
    绝缘电阻 初级对次级2500V大于100兆欧
    感应耐压 2倍频率/ 2倍电压 /1分钟
    接地电阻 25A<80毫欧
    励磁涌流 12~15倍(可增加RC吸收器)
    温升 F级≤100K;H级≤125K
    阻抗电压 约4%
    变    比 <3%
    冷却方式 自冷或风冷
    防护等级 IP20,IP23(可定制)
    噪   音 ≤35-65dB (1米内)    
    工作效率 ≥97%            
    环境温度 -25℃~+40℃
    海拔高度 ﹤2000M

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