Product designation				Level control relay for emptying function. Single voltage. Modular version
Product type designation				LVM20
Function				Emptying
Auxiliary supply
Supply voltage Type				Single voltage
Rated auxiliary supply voltage Us
	AC
		min	VAC	24
Operating voltage range				0.85...1.1 Us
Rated frequency			Hz	50/60
Power consumption Max			VA	3.5
Power dissipation Max			W	1.8
Output characteristics
Number of connectable electrodes			Nr.	3
Type of electrode				Electrode and electrode holders: SN1 / SCM / CGL / PS31 / PS3S or similar
Electrode voltage				7.5 VAC
Sensitivity			kohm	2.5...50 adjustable
Time delay
Tripping time			s	≤0.6
Resetting time			s	≤0.75
Relay outputs
Number of relays			Nr.	1
Relay state				Normally de-energised, energises at tripping
Contact arrangement				1 changeover contact C/O-SPDT
Rated operational voltage AC (IEC)			VAC	250
Maximum switching voltage			VAC	400
IEC Conventional free air thermal current Ith			A	8
UL/CSA and IEC/EN 60947-5-1 designation				B300
Electrical life (with rated load)			cycles	10⁵
Mechanical life			cycles	30x10⁶
Indications
Indication				1 green LED for power on 1 red LED for relay state
Functions
3 detecting electrodes (MIN, MAX and COM)				Yes
5 detecting electrodes (MIN1, MAX1, MIN2, MAX2 and COM				No
Sensitivity adjustment 2.5...50k Ω				Yes
Sensitivity adjustment 2.5...100k Ω				No
Sensitivity adjustment 2.5...200k Ω				No
Adjustable sensitivity full-scale value 25-50-100-200 k Ω				No
Separate sensitivity adjustment for MAX probe (foam detection)				No
Emptying function				Yes
Filling function				No
Emptying function with MIN and/or MAX alarm				No
Filling function with MIN and/or MAX alarm				No
Emptying function with pump priority change				No
Filling function with pump priority change				No
Tank filling, well drawing and alarm				No
Filling-emptying adjustment selector				No
Programming selector for 5 different				No
Motor start-up priority change				No
Connections
Terminals type				Screw
Tightening torque for terminals
		max	Nm	0.8
		max	Ibin	7
Conductor cross section
	AWG/Kcmil
		min	AWG	24
		Max	AWG	12
	IEC
		min	mm²	0.2
		Max	mm²	4
Insulations
Rated insulation voltage Ui			V	415
Rated impulse withstand voltage Uimp			kV	6
Operating frequency withstand voltage			kV	4
Double insulation Supply / relay / electrode			VAC	≤250
Ambient conditions
Temperature
	Operating temperature
		min	°C	-20
		max	°C	+60
	Storage temperature
		min	°C	-30
		max	°C	+80
Housing
Execution				Modular DIN rail mounting
N° of modules				2
Material				Self-extinguishing polyamide
Mounting				35mm DIN rail (IEC/EN 60715) or by screws using extractable clips
IEC degree of protection				IP40 on front / IP20 on terminals
Dimensions (W x H x D)			mm	35.8 x 104.7 x 64.9
Weight			g	215
ETIM classification
ETIM 8.0				EC001447 - (Fill) level monitoring relay

Documents

20 - Level controls (eng)

Level controls (eng)
PD112GB03_16

Level relay for conductive liquids LVM20 (eng)
I157IGBFE01_13

FAQ for level controls LVM... (eng)
F026IGB03_21

Certifications

cULus
EAC

Conformity

IEC/EN 60255-5
IEC/EN 61000-6-2
IEC/EN 61000-6-3
UL508
CSA C22.2 n° 14.

Products > Level controls

LVM20A024

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Level monitoring relay, modular version, single-voltage. Automatic resetting, 24VAC

Type of product: Level monitoring relays
Type of liquid: Conductive liquids
Functions: Emptying
Number of connectable electrodes [Nr.]: 3
Sensitivity [kΩ]: 2.5...50 adjustable
Number of relay outputs: 1
Rated supply voltage: 24VAC
Type of installation: Modular DIN rail mounting

Order code	LVM20A024
Weight [g]	213
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	095X040X075
Volume [cm³]	285
Bar code [EAN13]	8013975124987
HS Code	85364900