LINETRAXX® GM420
GM420系列回路监视仪被设计用于监视交流系统和离线系统的PE线的电阻。端子E和KE之间外部电压Uf 不能超过交流12 V。 导体回路的欧姆电阻和交流外部电压Uf，如果存在，会显示在显示器上。 当前测量值连续显示在液晶显示屏上。如果测量电阻值增加大于设置的响应值，将会激活并且保存报警。可以考虑可调时间延迟允许安装特定的要求。
GM420系列回路监视仪被设计用于监视交流系统和离线系统的PE线的电阻。端子E和KE之间外部电压Uf 不能超过交流12 V。 导体回路的欧姆电阻和交流外部电压Uf，如果存在，会显示在显示器上。 当前测量值连续显示在液晶显示屏上。如果测量电阻值增加大于设置的响应值，将会激活并且保存报警。可以考虑可调时间延迟允许安装特定的要求。
特点
- Loop monitoring of the PE conductor in AC systems
- Measuring circuit providing a high resistance against extraneous voltages and indication of extraneous voltages
- Adjustable start-up delay, response delay and delay on release
- Adjustable switching hysteresis
- Digital measured value display via multi-functional LC display
- Preset function (automatic setting of basic parameters)
- LEDs: Power On, Alarm 1, Alarm 2
- Measured value memory for operating value
- Continuous self monitoring
- Internal test/reset button
- Two separate alarm relays with one changeover contact each
- N/C or N/O operation and fault memory behaviour selectable
- Password protection for device setting
- Sealable transparent cover
- Two-module enclosure (36 mm)
- Push-wire terminal (two terminals per connection)
- RoHS compliant
应用
- Loop monitoring of motors
- Loop monitoring of PE conductor connections for wire interruptions in electrical installations
- Monitoring of earthing systems
LINETRAXX® GM420 变体
| Type | Measuring range Loop resistance | Measuring range Interference voltage | Supply voltage US | Art. No.* |
|---|---|---|---|---|
| GM420-D-1 | 0…100 Ω | AC 0…50 V | DC 9,6 V…94 V / AC 16…72 V, 15…460 Hz | B73082001 B93082001 |
| GM420-D-2 | 0…100 Ω | AC 0…50 V | DC 70…300 V / AC 70…300 V, 15…460 Hz | B73082002 B93082002 |
*(B7… = push-wire terminal / B9… = screw-type terminal)
可选的附件，用于 LINETRAXX® GM420
| Type | Art. No. |
|---|---|
| Mounting clip for screw mounting (one piece per device) | B98060008 |
| Mounting frame XM420 | B990994 |
下载 LINETRAXX® GM420
| 命名 | 类型 | 尺寸 | 语言 | 时间戳 | D-/B-数量 |
|---|---|---|---|---|---|
| GM420 | 快速启动 | 611.1 KB | DE | 2023/10/0505.10.2023 | D00112 |
| GM420 | 快速启动 | 611.1 KB | EN | 2023/10/0505.10.2023 | D00112 |
| GM42x | CE 合格声明 | 87.0 KB | 2022/08/1212.08.2022 | ||
| GM420 | 手册 | 1.8 MB | DE | 2023/10/1111.10.2023 | D00112 |
| GM420 | 手册 | 2.0 MB | EN | 2023/10/1111.10.2023 | D00112 |
| GM420 | 技术规格书 | 319.1 KB | DE | 2019/05/1313.05.2019 | D00112 |
| GM420 | 技术规格书 | 273.6 KB | EN | 2019/05/1313.05.2019 | D00112 |
| GM420 | 技术规格书 | 275.5 KB | ES | 2019/05/1313.05.2019 | D00112 |
| GM420 | 技术规格书 | 509.9 KB | ZH | 2019/05/1313.05.2019 | D00112 |
| Changed variants of relays from goldplated to silver-plated contacts | 技术信息 | 166.3 KB | EN | 2022/06/2727.06.2022 |
