Lovato LVM40A415 - LEVEL MONITORING RELAYS - MODULAR VERSION - SINGLE-VOLTAGE - MULTIFUNCTIONS - AUTOMATIC RESETTING - 380…415VAC

Operational characteristics

– Use with 5 sensing electrodes, MIN1, MAX1, MIN2, MAX2 and COM
– 2.5…200kΩ adjustable sensitivity
– Adjustable sensitivity full-scale value: 25-50-100-200kΩ
– Separate sensitivity adjustment of MAX electrodes for foam detection
– Insensitivity to stray electrode-cable capacitance
– Programming selector for 5 different functions:
• emptying function and alarms (pos. A)
• filling function and alarms (pos. B)
• emptying function with priority start-up change control (pos. C)
• filling function with priority start-up change pump (pos. D)
• well draining and tank filling and alarms (pos. E)
– Double insulation between each supply, electrodes and output relay circuits
– Adjustable probe signal delay: 1...10s
– Adjustable pump start delay: 0...30min
– Green LED indicator for power on
– Red LED indicators for output relay and electrode state
– Modular DIN 43880 housing (3 modules)
– IEC degree of protection: IP40 on front (only when mounted in housing or electric board with IP40); IP20 on terminals.

Certifications and compliance

Certifications obtained: EAC, UL Listed, for USA and Canada (cULus-File E93601), as Auxiliary Devices - Level control relays.
Compliant with standards: IEC/EN 60255-5, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL508, CSA C22.2 n° 14.

Probes, electrode holders and float switches

Use probes and electrode holders type:
SN1/PS31/PS3S/SCM/CGL or similar (see page 19-6).
For the choice of float switches see page 19-7.