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Liquid Level Relays

RM4L


Liquid Level Control Relays
Time Delay
Sensitivity Scale
Width
IN
Width
mm
Output Relay
Voltage
50/60 Hz
Catalog Number
Price
None  
5–100 kΩ  
0.87  
22.5  
1 C/O  
SPDT  
24 Vac  
RM4LG01B
$176.  
110–130 Vac  
RM4LG01F
176.  
220–240 Vac  
RM4LG01M
176.  
380–415 Vac  
RM4LG01Q
176.  
Adjustable  
0.1–10 s  
0.25–5 kΩ  
2.5 –50 kΩ  
25–500 kΩ  
0.87  
22.5  
2 C/O  
DPDT  
24–240 Vac or Vdc  
RM4LA32MW
290.  
24 Vac  
RM4LA32B
248.  
110–130 Vac  
RM4LA32F
248.  
220–240 Vac  
RM4LA32M
248.  
380–415 Vac  
RM4LA32Q
248.  


Liquid Level Control Probe
Type of Installation
Maximum Operating Temperature
Catalog Number
Price
Suspended by cable
212° F (100° C)  
LA9RM201
$65.  


Power Supply Circuit Specifications
Type of Relay
50/60 Hz
RM4LG01
RM4LA32
Rated Supply
Voltage (Un)
50/60 Hz
Vac
24 Vac  
110–130 Vac  
220–240 Vac  
380–415 Vac  
24–240 Vac  
24 Vac  
110–130 Vac  
220–240 Vac  
380–415 Vac  
Vdc
. . .  
. . .  
. . .  
. . .  
24–240 Vdc  
. . .  
. . .  
. . .  
. . .  
Average
Consumption at Un
Vac
1.9 VA  
2.6 VA  
2.4 VA  
2.9 VA  
2.7 VA  
3.1 VA  
2.7 VA  
2.6 VA  
3.4 VA  
Vdc
. . .  
. . .  
. . .  
. . .  
2.4 W  
. . .  
. . .  
. . .  
. . .  


Output Relay and Operating Specifications
Number of SPDT (C/O) Contacts
1 C/O SPDT
2 C/O DPDT
Output Relay State
Can be configured by switch: empty fill


Electrode Circuit Specifications a
Sensitivity Scale
5-100 (adjustable) kΩ
0.25-5 kΩ
2.5-50 kΩ
25-500 kΩ
Maximum AC Electrode Voltage (peak to peak)
24 V
24 V
Maximum Current in the
Electrodes
1 mA
1 mA
1 mA
1 mA
Maximum Cable Capacity
10 nF
200 nF
25 nF
4 nF
Maximum Cable Length
330 ft (100 m)
3300 ft (1000 m)
330 ft (100 m)
66 ft (20 m)

a The electrodes may also be incorporated in the probes. The probes are normally designed for fixing to a tank by means of a bracket with a seal (closed tanks) or suspended by their own electrical connecting cable (boreholes, etc.).


Approvals/Standards
Conforming to Standards
IEC 60255-6 EN 60255-6
Temperature Ratings
Storage
-40° F to 185° F (-40° C to 85° C)
Operational
-4° F to 149° F (-20° C to 65° C)
Supply Voltage Range
-15 to +10% rated of supply voltage

For additional information, reference Catalog #8430CT0001R6/02.



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