Product Code: CM-IWS.1P

Specifications

Product Type	Insulation monitoring relay
Brand	ABB
Series	CM-IWS.1
Function	Insulation resistance monitoring of unearthed AC, DC and mixed AC/DC IT systems up to 250 V AC and 300 V DC
Electrical Endurance	100000 cycle
Over Voltage Category	III
Rated Control Supply Voltage (Us)	24 to 240 V AC/DC
Rated Insulation Voltage (Ui)	300 V
Rated Operational Current AC-15 (Ie)	3 A
Contact Configuration	1CO SPDT
Measuring Range	1 to 100 kO; system voltage 0 to 250 V AC / 0 to 300 V DC
Output Type	1CO SPDT
Rated Current	4 A
Rated Frequency	DC or 15 to 400 Hz
Rated Voltage	24-240 VAC/VDC
Terminal Type	Push-in 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	Minimum 15 s start-up; maximum 10 s response (pure AC); maximum 15 s response (DC or rectified AC)
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	2 x 0.5 to 1.5 mm²
Conductor Cross Section Solid Core	2 x 0.5 to 1.5 mm²
Housing Material	UL 94 V-0
Model	Unearthed AC Systems, Unearthed DC Systems, Unearthed Mixed AC/DC Systems, Up to 250 VAC, Up to 300 VDC
Mounting Type	35 x 15 mm DIN Rail, 35 x 7.5 mm DIN Rail
Depth	103.7 mm
Height	85.6 mm
Weight	0.137 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