Catalogues - insulation-monitoing-devices

Catalogue Insulation Monitoing Devices

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BEBENDER

A-ISOMETER® IR42C

Technical data A-ISOMETER® IR420


	Switching elements
	Number of switching elements	2 x 1 changeover contact
	Operating principle	N/C or N/O operation (N/O operation)*
	Electrical service life	10.000 switching operations
	Contact data acc. to IEC 60947-5-1
	Utilization category	AC-13 AC-14 DC-12 DC-12 DC-12
	Rated operational voltage	230 V 230 V 220 V 110 V 24 V
	Rated operational current	5 A 3 A 0.1 A 0.2 A 1 A
	Minimum current	1 mA at AC/DC > 10 V
	Environment/EMC
	EMC	IEC 61326
	Operating temperature	- 25 "C...+ 55 °C
	Climatic class acc. to IEC 60721
	Stationary use (IEC 60721-3-3)	3K5 (except condensation and formation of ice)
	Transport (IEC 60721-3-2)	2K3 (except condensation and formation of ice)
	Long-time storage (IEC 60721-3-1)	1K4 (except condensation and formation of ice)
	Classification of mechanical conditions IEC 60721
	Stationary use (IEC 60721-3-3)	3M4
	Transport (IEC 60721-3-2)	2M2
	Long-time storage (IEC 60721-3-1)	1M3
	Connection
	Connection	screw-type terminals
	rigid/flexible/conductor sizes	0.2...4/0.2...2.5 mm²/24-12 AWG
	Multi-conductor connection (2 conductors with the same cross section)
	rigid/flexible	0.2...1.5/0.2...1.5 mm²
	Stripping length	8...9 mm
	Tightening torque	0.5...0.6 Nm
	Other
	Operating mode	continuous operation
	Mounting	any position
	Degree of protection, internal components (IEC 60529) IP30
	Degree of protection, terminals (IEC 60529) IP20
	Enclosure material	polycarbonate
	DIN rail mounting acc. to	IEC60715
	Screw mounting	2 x M4 with mounting clip
	Product standards	DIN EN 61557-8:1998-05,EN 61557-8: 1997-03,
		IEC 61557-8: 1997-02, ASTM F 1207M-96 (2002)
	Operating manual	BP101012
	Weight	< 150 g


	Insulation coordination acc. to IEC 60664-1/IEC 60664-3
	Rated insulation voltage	250 V
	Rated impulse voltage/pollution degree	2.5 kV / III
	Protective separation (reinforced insulation) between
	(A1, A2) - (L1, L2, E, KE, T/R) - (11, 12, 14) - (21, 22, 24)
	Voltage test according to IEC 61010-1	2.21 kV
	Supply voltage
	Supply voltage Us	see ordering information
	Power consumption	< 3 VA
	IT system being monitored
	Nominal system voltage Un	AC 0...300V
	Rated frequency fn	42...460 Hz
	Response values
	Response value R_an1 (Alarm 1)	1...200 kQ
	Response value R_an2 (Alarm 2)	1...200 kQ
	Preset mode Un < 72 V Ran1 (Alarm 1) =	20 kQ/R_an2 (Alarm 2) = 10 kQ
	Un > 72 V Ran1 (Alarm 1) =	46 kQ/Ran2 (Alarm 2) = 23 kQ
	Operating error 1 kQ. „5 kQ/5 kQ. „200 kQ	± 0.5 kQ/± 15%
	Hysteresis	25%
	Specified time
	Response time t_an at Rf = 0.5 x R_an and C_e = 1 uF	< 1 s
	Start-up delay t	0...10 s (0 s)*
	Response delay t_on	0...99 s (0 s)*
	Measuring circuit
	Measuring voltage U_m	12 V
	Measuring current Im (at Rf = 0 Q)	< 200 uA
	Internal DC resistance Ri	> 62 kQ
	Impedance Z_i at 50 Hz	> 60 kQ
	Permissible extraneous DC voltage Ufg	< DC 300 V
	Permissible system leakage capacitance C_e	< 20 uF
	Displays, memory
	Display range, measuring value	1 kQ„.1 MQ
	Operating error 1 kQ„.5 kQ/5 kQ„.1 MQ	± 0.5 kQ/± 15%
	Password	off / 0...999 (off)*
	Fault memory, alarm relay	on/off*
	Outputs
	Cable length test and reset button	< 10 m

factory setting

Ordering information


Typ	*Nominal system voltage U_n**	Supply voltage* Us	Response value R_an	System leakage capacitance C_e	Art. No.
IR420-D4-1	AC 42...460 Hz 0...300 V	DC 9,6„.94 V/AC 42...460 Hz 16...72 V	1...200 kQ	< 20 uF	B91016409
IR420-D4-2	AC 42...460 Hz 0...300 V	DC 70.. .300 V/AC 42.. .460 Hz 70.. .300 V	1...200 kQ	< 20 uF	B91016405

absolute values

Accessories


	Type	Art. No.
	Mounting clip for screw mounting	B 9806 0008
	(one piece per device)

Main catalogue part 1 - 08.2007/Insulation monitoring