LINETRAXX® VMD258
- 安全应用的纯模拟技术
- 标称系统电压可达690 V
- 监视三相交流系统的欠电压和过电压
电压监视仪VMD258监视三相交流系统的欠电压和过电压 (窗口功能)。无需连接中性线，因此适用于三相交流系统。
被监视系统提供设备的电源电压。采用双重隔离装置，电子和监视仪的电源以及连接的外部电能存储设备与系统隔离。特别的输入变压器减弱来自系统的干扰。
欠电压和过电压的响应值以及响应延迟不断调整。替代SUR35x系列设备。
- 特征
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- 订货信息
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- Undervoltage and overvoltage monitoring for 3AC systems
- No separate supply voltage required
- Separate alarm relays for undervoltage and overvoltage with two potential-free changeover contacts
- Adjustable response value: 0.7…0.95 x Un/1.05…1.3 x Un
- Nominal system voltages: 3AC 690/500/480/440/400/230/110/100 V
- Adjustable response delay: 0…5 s
- LEDs for operation, overvoltage, undervoltage
- Monitoring of the power supply of machines and electrical installations
- Monitoring of loads
- Switching electrical systems on and off at a certain voltage level
- Monitoring of stand-by and emergency supply systems
- Supply voltage monitoring of portable loads
可选配件 LINETRAXX® VMD258
| Type designation | Art. No. |
|---|---|
| Additional mounting clips (screw mounting) | B98060008 |
| External energy storage ES258 | B93010068 |
版本 LINETRAXX® VMD258
| Type | Connection | Art. No. |
|---|---|---|
| VMD258 3AC 100 V | 3AC, 100 V | B93010060 |
| VMD258 3AC 110 V | 3AC, 110 V | B93010061 |
| VMD258 3AC 230 V | 3AC, 230 V | B93010062 |
| VMD258 3AC 400 V | 3AC, 400 V | B93010063 |
| VMD258 3AC 440 V | 3AC, 440 V | B93010064 |
| VMD258 3AC 480 V | 3AC, 480 V | B93010065 |
| VMD258 3AC 500 V | 3AC, 500 V | B93010066 |
| VMD258 3AC 690 V | 3AC, 690 V | B93010067 |
下载 LINETRAXX® VMD258
| 分类 | 产品 | 语言 | 尺寸 | 下载 |
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