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参数资料
| 型号： | DNR220A |
| 厂商： | Crouzet USA |
| 文件页数： | 4/4页 |
| 文件大小： | 0K |
| 描述： | CONTROL LIQUID LEVEL DIN 220VAC |
| 其它有关文件： | Declaration of Conformity |
| 标准包装： | 1 |
| 系列： | NR |
| 类型： | 电平控制 - 泵降压 |
| 应用： | 充水和排水控制 |
| 安装类型： | DIN 轨道/通道 |
| 电源电压： | 220VAC |
NRT LEVEL CONTROL
CONTROLS
SERIES
LIQUID
CONSTANT LEVEL
PUMP UP
CONTROLS
UL listed
CSA recognized
?
?
?
?
100 k ? Sensitivity
10 Amp SPDT Relay
Maintain Constant Level
Four Mounting Options
The NRT series is applied for maintaining a constant level of
2
s
Level
R
conductive liquid. When the liquid decreases below the probe,
the relay is energized after a 4 second time delay to avoid wave
disturbances. The relay de-energizes when the liquid reaches
the probe. A common electrode is needed if the container is
non-conductive.
0
T
0.3 s
T
t
SPECIFICATIONS:
Input . . . . . . . . . . . . . . . . . . . . . . . . 24 VAC, 48 VAC, 110 VAC
WIRING DIAGRAM:
220 VAC, ± 15%, 50/60 Hz
Maximum power consumption . . . 24 VAC: 1.5 VA
DNRT
LNRT
PNRT
48 VAC: 1.7 VA
110 VAC: 2 VA
220 VAC: 2 VA
?
Output . . . . . . . . . . . . . . . . . . . . . . SPDT Relay
S
S
S
Contact material
Maximum loading
. . . . . . . . . . . . . . AgCdO
. . . . . . . . . . . . . 10 A AC resistive 8 A Dc resistive
Max C
C
Max
Maximum switching voltage . . . . . 250 VAC 250 VDC
Relay maximum power rating . . . . 2500 VA 80 W
A1 11
C min max
5
6
7
4
5
Mechanical life of relay . . . . . . . . . 3 x 10 7 operations
4
8
3
6
Electrical life of relay . . . . . . . . . . . 2 x 10 5 at 2200 VA resistive load
Probe isolation . . . . . . . . . . . . . . . Switching contact 2000 VAC
Electrodes: 2000 VAC
R
12 14
A2
3
2
1
R
11
10
9
2
1
R
8
7
Probe sensitivity . . . . . . . . . . . . . . 100 k ?
Probe voltage
. . . . . . . . . . . . . . . . 24 VAC, 60 Hz
Probe current . . . . . . . . . . . . . . . . . 1 mA max.
Operating temperature
. . . . . . . . . +14°F to +140°F -10°C to +60°C
Weight . . . . . . . . . . . . . . . . . . . . . . 7 oz. (200g)
Note: The probe cables (max. 300ft) need not be shielded; however, it is
not advisable to run the probe cables with power cables. If shielded cable
is used, the shield and common should be connected.
?
ORDERING INFORMATION:
P
NRT
110A
MOUNTING
MOUNTING
SERIES
SERIES
INPUT POWER
INPUT POWER
D = DIN-rail or panel mounting
L = 11 pin plug-in
P = 8 pin plug-in
N = open PC board
NRT = Enclosed
NNRT = Open PC board version mounting
dimensions same as NNR
24A = 24 VAC
48A = 48 VAC
110A = 110 VAC
220A = 220 VAC
Products and specifications subject to change without notice.
Order/Technical Support – Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com
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