Specifications

Contacts	2CO (SPDT)
Measuring Range AC (V)	Overvoltage: 3 x 418, Undervoltage: 3 x 342
Operational Temperature Range (°C)	-25 to +60
Pollution Degree	3
Rated Control Supply Voltage AC (V)	3 x 380
Rated Frequency (Hz)	50/60
Rated Impulse Withstand Voltage (kV)	6/4
Timing Range	Start-up delay: 200ms, Tripping delay: 0s or 0.1-30s (ON or OFF)
Duty Time	100%
Product Type	Three-Phase Monitoring Relays
Brand	ABB
Contact Configuration	2CO SPDT
Contact Form	2CO SPDT
Degree of Pollution	IP3
Degree of Protection	IP20, IP50
Electrical Durability	100000 Operations
Function	Phase Failure Detection, Phase Sequence Monitoring, Over And Undervoltage Monitoring
Height	85.6 mm
Measuring Range	342-418 VAC (L-L)
Mechanical Durability	30000000 Operations
Mounting Type	35 x 15 mm DIN Rail, 35 x 7.5 mm DIN Rail
Operating Time	200 ms Start-Up Delay, 0.1 to 30 s Tripping Delay
Operational Temperature	-25 to 60 deg C
Output Type	2CO SPDT
Overvoltage Category	III
Phase	3
Rated Current	4 A
Rated Voltage	380 VAC
Standards and Approvals	CAN/CSA IEC/EN UL
Terminal Type	Screw
Weight	0.132 kg
Width	22.5 mm

Description

The three-phase monitoring relay is designed to monitor various phase parameters including phase failure, phase sequence over/undervoltage, and phase unbalance. It has a measuring range of 342 to 418 V AC (L-L) and operates with a rated control supply voltage of 380 V AC. The relay is equipped with 2 CO (SPDT) outputs and features an adjustable tripping delay ranging from instantaneous to 30 s (0, 0.1-30 s). Additionally, it is designed with double-chamber cage connection terminals for easy installation.

Documents

IPD Product Catalogue

IPD Product Catalogue V17

ABB CM-PSS.31S Three-Phase Monitoring Relays 3 342-418VAC (L-L) 380VAC 2CO SPDT 4A

Product Code: CM-PSS.31S

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Specifications

Description

Documents

IPD Product Catalogue

IPD Product Catalogue V17

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