LINETRAXX® RCMA420
交直流敏感型剩余电流监视仪RCMA420被设计用于监视接地电源系统（TN和TT系统），用于平滑直流故障电流或剩余电流连续大于零的地方。这些特殊的负载包含六脉冲整流器或单通道平滑整流器，如变频器、电池充电器、带变频驱动的施工现场设备。也可以监视单相线的电流。 设置响应值的50…100%的预报警阶段允许区分报警和预报警。由于使用测量电流互感器的测量值，设备的负载电流和系统的标称电压几乎无关。
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- AC/DC sensitive residual current monitor Type B acc. to IEC 62020 and IEC/TR 60755
- r.m.s. value measurement (AC+DC)
- Two separately adjustable response values 10…500 mA
- Frequency range 0…2000 Hz
- Start-up delay, response delay and delay on release
- Digital measured value display via LC display
- Measured value memory for operating value
- CT connection monitoring
- LEDs: Power On, Alarm 1, Alarm 2
- Internal/external test/reset button
- Two separate alarm relays (one changeover contact each)
- N/O or N/C operation and fault memory behaviour selectable
- Continuous self monitoring
- Multi-functional LC display
- Password protection for device settings
- Sealable transparent cover
- Two-module enclosure (36 mm)
- RoHS compliant
- Push-wire terminal (two terminals per connection)
- AC/DC sensitive residual current monitoring in earthed two, three or four conductor systems (TN and TT systems)
- Monitoring of variable-speed drives, UPS systems, construction site equipment, printing machines, battery systems, laboratory equipment, wood working machines, MF welding systems, furniture industry, medical electrical equipment, etc.
- AC/DC sensitive current monitoring of single conductors de-energised under normal conditions (e.g. N and PE conductors)
可选配件 LINETRAXX® RCMA420
Measuring current transformers
Connection cable measuring current transformer – RCMA420-D
Accessories
| Type | Internal diameter (mm) | Art. No. |
|---|---|---|
| W20AB | ø 20 | B98080008 |
| W35AB | ø 35 | B98080016 |
| W60AB | ø 60 | B98080026 |
Connection cable measuring current transformer – RCMA420-D
| Type | Length/m | Art. No. |
|---|---|---|
| WX-100 | 1 | B98080503 |
| WX-250 | 2,5 | B98080504 |
| WX-500 | 5 | B98080505 |
| WX-1000 | 10 | B98080511 |
Accessories
| Type | Art. No. |
|---|---|
| Mounting clip for XM420 enclosure | B98060008 |
| Snap-on mounting W20…, W35… | B98080501 |
| Snap-on mounting W60… | B98080502 |
版本 LINETRAXX® RCMA420
| Type | Response range IΔn | Frequency range | Supply voltage US* | Art. No.** |
|---|---|---|---|---|
| RCMA420-D-1 | 10…500 mA | 0…2000 Hz | DC 9,6…94 V / AC 16…72 V, 42…460 Hz | B74043001 B94043001 |
| RCMA420-D-2 | 10…500 mA | 0…2000 Hz | DC 70…300 V / AC 70…300 V, 42…460 Hz | B74043002 B94043002 |
* Absolute values
**(B7… = push-wire terminal / B9… = screw-type terminal)
**(B7… = push-wire terminal / B9… = screw-type terminal)
下载 LINETRAXX® RCMA420
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