Product designation				Insulation monitoring relay
Product type designation				PMI
General characteristics
Description				Insulation monitoring relay
Type of system				AC IT systems
Auxiliary supply
Rated auxiliary supply voltage Us
	AC
		min	VAC	220
		Max	VAC	240
Auxiliary operating voltage
		max	Us	1.1
		min	Us	0.85
Power consumption
	AC (Max)
			VA	3
Power dissipation
	AC (Max)
			W	1.5
Voltage inputs
Frequency range			Hz	50/60
Relay outputs
Number of relays			Nr.	1
Relay state				Normally energised, de-energises at tripping
Contact arrangement				1 changeover contact SPDT each
Rated operational voltage AC (IEC)			VAC	250
Maximum switching voltage			VAC	250
IEC Conventional free air thermal current Ith			A	5
Electrical life (with rated load)			cycles	300000
Mechanical life			cycles	50000000
Indications
Indication				1 green LED for power on/inhibition 1 red LED for tripping
Connections
Terminals type				Screw
Tightening torque for terminals
		max	Nm	0.5
		max	Ibin	4.5
Conductor cross section
	AWG/Kcmil
		min	AWG	24
		Max	AWG	12
	IEC
		min	mm²	0.2
		Max	mm²	2.5
Insulations
Rated insulation voltage Ui			V	600
Rated impulse withstand voltage Uimp			kV	4
Operating frequency withstand voltage			kV	2.5
Ambient conditions
Temperature
	Operating temperature
		min	°C	-10
		max	°C	+60
	Storage temperature
		min	°C	-20
		max	°C	+70
Housing
Execution (n° of modules)				3
Material				Self-extinguishing polycarbonate
Mounting				Modular DIN 43880 housing
IEC degree of protection				IP40 on front; IP20 on the terminals
Dimensions (W x H x D)			mm	53.5x89x72.5
Weight			g	200

PMIB1A230

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