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Liquid Level Relays

RM4L

Refer to Catalog 8430CT0001

 

Table 23.186:

Liquid Level Control Relays

Time Delay	Sensitivity Scale	Width in.	Width mm	Output Relay	Voltage 50/60 Hz	Catalog Number	$ Price
None	5–100 kW	0.87	22.5	1 C/O, SPDT	24 Vac	RM4LG01B	176.00
					110–130 Vac	RM4LG01F	176.00
					220–240 Vac	RM4LG01M	176.00
					380–415 Vac	RM4LG01Q	176.00
Adjustable 0.1–10 s	0.25–5 kW 2.5 –50 kW 25–500 kW	0.87	22.5	2 C/O, DPDT	24–240 Vac or Vdc	RM4LA32MW	290.00
					24 Vac	RM4LA32B	248.00
					110–130 Vac	RM4LA32F	248.00
					220–240 Vac	RM4LA32M	248.00
					380–415 Vac	RM4LA32Q	248.00

 

 

Table 23.187:

Liquid Level Control Probe

Type of Installation		Maximum Operating Temperature			Catalog Number	$ Price
Suspended by cable		212oF (100oC)			LA9RM201	130.00

 

 

Table 23.188:

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	—	—	—	—

 

Table 23.189:

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: emptyfill

 

Table 23.190:

Electrode Circuit Specifications a

Sensitivity Scale		5-100 (adjustable) k-ohm				0.25-5 k-ohm		2.5-50 k-ohm		25-500 k-ohm
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.).

 

Table 23.191:

Approvals

Approvals/Standards			File E164353 CCN NKCR			File LR89150 Class 3211 07
Conforming to Standards		IEC 60255-6 EN 60255-6
Temperature Ratings	Storage	-40oF to 185oF (-40oC to 85oC)
	Operational	-4oF to 149oF (-20oC to 65oC)
Supply Voltage Range		-15 to +10% rated of supply voltage
Output Contact Ratings		8 A resistive UL B300 b

b	For additional contact ratings, refer to the catalog.

Dimensions

 

I11

Discount Schedule

Modified 4/13/08