Lovato PMA50A415 - PUMP PROTECTION RELAY FOR SINGLE AND THREE-PHASE SYSTEMS - MAXIMUM AC CURRENT AND MINIMUM COSΦ - PHASE LOSS AND INCORRECT PHASE SEQUENCE - 5A OR 16A

General characteristics

– Pump protection relay against dry running, auxiliary AC power supply
– Motor under-load and over-current control
– Direct connection up to 16A max or by current transformer (CT)
– Excellent tripping accuracy
– Voltage control range 80...660VAC
– Current control range 0.1...16A
– Resetting and enabling consent input
– 1 relay output relay with 1 changeover contact (SPDT)
– Modular DIN 43880 housing, 3 module
– IEC degree of protection: IP40 on front (only when placed in IP40 enclosure or control board); IP20 at terminals.

ADJUSTMENTS

"Cos min” Minimum costhreshold 0.1...0.99 (under-load/dry running)
“Imax” Maximum (over) current threshold 10...100%Ie
"Trip delay" Tripping time for minimum cosand maximum current 0.1...10s
“Inhibition time” Inhibition delay for external input or at power up 1...60s
“Aut. reset delay” Automatic reset time OFF...100min
“Mode” • Rated current 5A or 16A
• Single or three phase
• External reset On or Off.

Certifications and compliance

Certifications obtained: EAC; UL Listed, for USA and Canada (cULus - File E93601), as Auxiliary Devices - Modular ampere monitoring relays.
Compliant with standards: IEC/EN 60255-5, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508, CSA C22.2 n° 14.