LINETRAXX® CME420
CME420系列电流监视仪监视交流系统和两个阈值之间的电流（窗口鉴别器功能）的欠电流和过电流。 电流测量是真实有效值（交流）。当前测量值连续显示在液晶屏上。存储触发报警继电器时的测量值。由于可调延迟时间，可以考虑特殊的设备特性，如特定的设备电流、瞬时电流变化等。电流测量可以直接或间接通过标准电流互感器（x／5 A）进行测量。必须使用外部电源电压。
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- Undercurrent and overcurrent monitoring in AC systems 0.1…16 A
- Indirect current monitoring with standard current transformers x/5 A
- Transformation ratio n allows adaptation to all standard current transformers x/5 A
- Different monitoring functions selectable < I, > I or < I/> I
- Start-up delay, response delay, delay on release
- Adjustable switching hysteresis
- r.m.s. value measurement (AC)
- Digital measured value display via multi-functional LC display
- LEDs: Power On, Alarm 1, Alarm 2
- Measured value memory for operating value
- Continuous self monitoring
- Internal test/reset button
- Two separate alarm relays (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
- Current consumption of motors, such as pumps, elevators, cranes
- Monitoring of lighting circuits, heating circuits, charging stations
- Monitoring of emergency lighting
- Monitoring of screw conveyors, e.g. in sewage plants
- Dust removal in wood working
可选配件 LINETRAXX® CME420
| Type | Art. No. |
|---|---|
| Mounting clip for screw fixing (1 piece per device) | B98060008 |
版本 LINETRAXX® CME420
| Type | Supply voltage US* | Measurement | Display range | Response value | Art. No.** |
|---|---|---|---|---|---|
| CME420-D-1 | DC 9.6…94 V/ AC 16…72 V, 42…460 Hz | directly/ via current transformer x/5A | 0.1…16 A/ 5…999 A | 0.1…16 A x n | B73060001 B93060001 |
| CME420-D-2 | DC 70…300 V/ AC 70…300 V, 42…460 Hz | directly/ via current transformer x/5A | 0.1…16 A/ 5…999 A | 0.1…16 A x n | B73060002 B93060002 |
* absolute values
**(B7… = push-wire terminal / B9… = screw-type terminal)
**(B7… = push-wire terminal / B9… = screw-type terminal)
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