Product Code: CM-IWS.2S

Specifications

Product Type	Insulation monitoring relay
Brand	ABB
Series	CM-IWS.2
Function	Insulation resistance monitoring of unearthed AC IT systems up to 400 V AC
Electrical Endurance	100000 cycle
Rated Control Supply Voltage (Us)	24 to 240 V AC/DC
Rated Insulation Voltage (Ui)	400 V (supply/measuring; measuring/output); 300 V (supply/output)
Rated Operational Current AC-15 (Ie)	3 A
Contact Configuration	1CO SPDT
Measuring Range	1 to 100 kO; system voltage 0 to 400 V AC
Output Type	1CO SPDT
Rated Current	4 A
Rated Frequency	50/60 Hz
Rated Voltage	24-240 VAC/VDC
Terminal Type	Screw terminals
Rated Operational Current AC-12 (Ie)	4 A
Rated Operational Current DC-12 (Ie)	4 A
Rated Operational Current DC-13 (Ie)	2 A
Time Range	Maximum 10 s start-up; maximum 10 s response
Minimum Switching Capacity	24 V / 10 mA
Rated Operational Voltage (AC/DC)	250 V AC / 300 V DC
Output	1 c/o (SPDT) contact
Short-Circuit Protective Devices	6 A fast-acting (n/c contact); 10 A fast-acting (n/o contact)
Mechanical Durability	30000000 cycle
Colour	U: Green, F: Red, R: Yellow
Conductor Cross Section Flexible	1 x 0.5 to 2.5 mm²; 2 x 0.5 to 1.5 mm²
Conductor Cross Section Solid Core	1 x 0.5 to 4 mm²; 2 x 0.5 to 2.5 mm²
Housing Material	UL 94 V-0
Model	Unearthed AC Systems, Up to 400 VAC
Mounting Type	35 x 15 mm DIN Rail, 35 x 7.5 mm DIN Rail
Depth	103.7 mm
Height	85.6 mm
Weight	0.141 kg
Width	22.5 mm
Pollution Degree	3
Storage Temperature	-40 to 85 °C
Operating Temperature	-25 to 60 °C
IP Rating	IP50 (housing); IP20 (terminals)
Standards and Approvals	IEC/EN 60947-5-1; IEC/EN 61557-1; IEC/EN 61557-8; EN 50155; IEC 60571; IEC/EN 61373; EN 45545-2