LB-5 Load Box
Load Box
The LB-5 Load Box helps to prevent the damaging effects of ferroresonance found on lightly or unloaded 3-phase power systems. This situation typically occurs on medium voltage distribution transbbbbers and power cables during single phase switching. As the electric power industry moves towards more efficient transbbbber design, this condition is becoming more common. If such conditions exist, overvoltage can lead to the breakdown of insulation resulting in damage to the transbbbber, lightning arresters and other equipment. When using the LB-5 to connect and apply a resistive load on the transbbbber secondaries, damage to distribution equipment due to ferroresonance can be prevented.
Load Box model LB-5-1 includes an additional switch to disconnect the center of this Y connected load from the ground lead. This is required for corner grounded delta transbbbber connections.
Load Box Features
· Helps prevent ferroresonance during single phase switching
· Portable, one person design
· Dual voltage, auto voltage selection
· Powered by transbbbber secondaries 120/277VAC
· 5,000 watt per phase loading
· Resistive load up to 3 phases
· 40A fused disconnect switch
· Blown fuse indicator lamp
· Auto-ranging voltage bbbbb - no switching required
HD Electric Company is committed to ongoing review and improvement of its product lines, and thus reserves the right to modify product design and specifications without notice.
- 公司类型私营有限责任公司
- 经营模式贸易公司-私营有限责任公司
- 联系人孙宝金
- 联系手机13818244503
- 联系固话021-51082245
- 公司地址上海市宝山区陆翔路678弄60号
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