MMR-U3, MMR-X3 Voltage monitoring relays

Technical support

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Parameters

Accessories

Certification marks

Arrangement of contacts	001
Rated operating voltage AC	AC 250 V
Rated operating current AC-1 / AC 250 V	8 A
Rated operating voltage AC (measuring circuit)	AC 230/400 V
Rated frequency	50 Hz
Adjustable delay	0 s ÷ 10 s
Adjustable overvoltage level	225 ÷ 265 V
Adjustable undervoltage level	180 ÷ 220 V
Adjustable value of asymmetry	5 ÷ 20 %
Input power	1,5 VA
Degree of protection	IP20
Conductor rigid max.	0,2 ÷ 2,5 mm2
Ambient temperature min.	-20 °C
Ambient temperature max.	55 °C
EN 60255-1
IEC 60255-1

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Catalogues

• Voltage monitoring relays - MMR-U3-MMR-X3-MI01-2019 (3,81 MB)

Declaration of conformity

• Declaration of conformity (55,23 kB)

Certificates

Manuals

• Monitoring relay - MMR-U3-001-A230 (275,9 kB)
• Monitoring relay - MMR-X3-001-A230 (294,63 kB)