LINETRAXX® RCM420
LINETRAXX® RCM420
Bender 的 AC 和脈衝 DC 靈敏型剩餘電流監視器 RCM420-D (Type A) 專為接地電源系統 (TN 和 TT 系統) 的故障和剩餘電流監視而設計，該系統在發生故障時會觸發警報，但必須防止斷線。此外該設備還可用於監視單根導線，例如 PE 導線、N-PE 連接和 PE-PAS 連接。
預警階段 (設定反應值 IΔn2 的 50% 至 100%) 可區分預警和警報。由於這些值是透過測量比流器來測量的，因此該裝置幾乎不受負載電流和系統額定電壓的影響。
特色
- AC and pulsed DC sensitive residual current monitor Type A according to IEC 62020
- r.m.s. value measurement (AC)
- Two separately adjustable response values
- Frequency range 42…2000 Hz
- Start-up delay, response delay and delay on release
- Restart function
- 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
- Password protection for device setting
- Device self monitoring
- Sealable transparent cover
- Two-module enclosure (36 mm)
- RoHS compliant
- Push-wire terminal (two terminals per connection)
用途
- Residual current monitoring in earthed two, three or four conductor systems
- Current monitoring of single conductors de-energised under normal conditions
- Socket-outlet circuits for devices which are operated unattended for a long time and which may not fail
- Alarm systems, safety devices
- Air conditioning systems, EDP systems
- Cooling equipment with valuable frozen goods
- Canteen kitchens
- Monitoring of earthed power supplies for stray currents
- Impact on N conductors
- Trace heating systems
LINETRAXX® RCM420 型號
| 型號 | 響應範圍 IΔn | 頻率範圍 | 電源電壓 US* | 貨號** |
|---|---|---|---|---|
| RCM420-D-1 | 10 mA…10 A | 42…2000 Hz | DC 9,6…94 V / AC 16…72 V, 42…460 Hz | B74014001 B94014001 |
| RCM420-D-2 | 10 mA…10 A | 42…2000 Hz | DC 70…300 V / AC 70…300 V, 42…460 Hz | B74014002 B94014002 |
* 絕對值
**(B7… = push-wire terminal / B9… = screw-type terminal)
LINETRAXX® RCM420 選用配件
外接測量比流器
| 型號 | 內徑 (mm) | 貨號 |
|---|---|---|
| CTAC20 | ø 20 | B98110005 |
| CTAC35 | ø 35 | B98110007 |
| CTAC60 | ø 60 | B98110017 |
| CTAC120 | ø 120 | B98110019 |
| CTAC210 | ø 210 | B98110020 |
| WR70x175S | 70 x 175 mm | B911738 |
| WR115x305S | 115 x 305 mm | B911739 |
| WR150x350S | 150 x 350 mm | B911740 |
| WR200x500S | 200 x 500 mm | B911763 |
| WR70x175SP | 70 x 175 mm | B911790 |
| WR115x305SP | 115 x 305 mm | B911791 |
| WR150x350SP | 150 x 350 mm | B911792 |
| WR200x500SP | 200 x 500 mm | B911793 |
| WS20x30 | 20 x 30 | B98080601 |
| WS50x80 | 50 x 80 | B98080603 |
| WS80x120 | 80 x 120 | B98080606 |
配件
| 型號 | 貨號 |
|---|---|
| Mounting clip for screw mounting (one piece per device) | B98060008 |
| Mounting frame XM420 | B990994 |