Specifications

This section provides additional specifications for your device and accessories.

The information contained in this section is subject to change without notice. You can download updated documentation from www.se.com or contact your local Schneider Electric representative for the latest updates.

See your device’s installation sheet for specifications related to installation, such as measured current and voltage ranges, inputs/outputs and control power information.

System type to be monitored

AC or combined AC/DC ungrounded * power systems	Phase-to-phase voltage with device connected to neutral	≤ 830 V AC , or ≤ 1700 V AC * ≤ 1500 V AC *
	With device connected to phase	≤ 480 V AC , or ≤ 1000 V AC * ≤ 2600 V AC *
	Frequency (AC power system)	45...440 Hz
AC	Phase-to-phase voltage with device connected to neutral	≤ 33k V AC *
DC or rectified IT power systems	–	≤ 480 V DC , or ≤ 1200 V DC * ≤ 1500 V DC *

Electrical characteristics

Range for insulation resistance readings		10 Ω...10 MΩ
Range for capacitance readings		0.01...500 μF (2000 μF for photovoltaic applications with IM400-1700 voltage adaptor) (5500 μF for photovoltaic applications with IM400VA2 voltage adaptor)
Fault notification	Number of thresholds	2 (password protected)
	Preventive insulation alarm threshold	1 kΩ...1 MΩ
	Insulation alarm threshold	0.04...500 kΩ
Insulation alarm threshold and preventive insulation alarm hysteresis		20%
Response time		Less than or equal to the Filtering setting: 4s / 40s / 160s
Device operating test		Auto-testing and manual testing
Internal impedance		40 kΩ (at 50/60/400 Hz)
Internal resistance Ri of the measuring circuit		40 kΩ
Output contact	Number	2 (standard or failsafe)
	Type of contact	SPDT one changeover contact
	Operating principle	N/O N/C operation
	Electrical endurance	30000 cycles
	Breaking capacity	3 A @ 250 V AC 1 A, 10 mA minimum load @ 48 V DC
	Minimum switching load	2 mA @ 24 V AC/DC
Injection inhibition input (voltage supplied by device)	Voltage supplied	24 V DC
	Current	5 mA
Notification time delay		0...7200 s
Auxiliary power supply voltage		IM400, IM400C, and IM400THR: 100...300V LN/440V LL AC ±15%, 50...400 Hz 100...440 V DC ±15% IM400L and IM400LTHR: 24...48 V DC ±15%
Burden		IM400, IM400C, and IM400THR: 25 VA / 10 W IM400L and IM400LTHR: 10 W
Measurement voltage		IM400, IM400C, and IM400L: 15 Vp, 33 Vp, 120 Vp IM400THR and IM400LTHR: 20 Vdc, 40 Vdc, 60 Vdc, 80 Vdc
Measurement current		IM400, IM400C, and IM400L: 375 μAp, 825 μAp, 3 mAp IM400THR and IM400LTHR: 469 μAdc, 940 μAdc, 1.56 mAdc, 2.48 mAdc
Fault locating current (IM400, IM400C, and IM400THR)		3.75 mAp
Extraneous DC voltage Ufg		506 V
Dielectric withstand		4000 V AC / 5500 V DC 7.3 kV impulse

Mechanical characteristics

Weight		0.75 kg (1.65 lb)
Mounting methods		Flush mount or on grid
IP degree of protection		IP54 (front), IP20 (back)
Mounting position		Vertical

Environmental characteristics

Operating temperature		-25...+55°C -25...+65°C * -25...+70°C *
Storage temperature		-40...+70°C
Climatic conditions *		IEC 60068
Location		For indoor use only
Altitude		For IM400, IM400C, and IM400THR ≤ 3000 m (9843 ft) * ≤ 4000 m (13123 ft) * For IM400L and IM400LTHR: ≤ 3000 m (9843 ft)
Pollution degree		2

Other

Overvoltage category		300 V / OVCIII, 600 V / OVCII
Standards	Product	IEC 61557-8
	Safety	UL 61010-1, CSA C22.2 No. 61010-1-12
	Installation	IEC 60364-4-41
	Output contact	IEC 61810-2