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Automation & Control

CM-SRS.21S Current monitoring relay 2c/o, B-C=3mA-1A RMS, 220-240VAC

Out of stock

(Inclusive of 18.00% GST)

Product Id
1SVR730841R1400
The CM-SRS.21S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 220 - 240 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC currents with 3 measuring ranges: 3-30 mA, 10-100 mA and 0.1-1 A and works according to the open-circuit principle. The CM-SRS.21S is configurable for over- or undercurrent monitoring. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value and the tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.

More about CM-SRS.21S Current monitoring relay 2c/o, B-C=3mA-1A RMS, 220-240VAC

Technical Specification
MRP (Indian Rupees) Not for Retail Sale
Compatibility Monitoring Relays
Rated Insulation Voltage (Ui) Measuring Circuit / Output Circuit 600 volt, Output Circuit 1 / Output Circuit 2 250 volt, Supply Circuit / Measuring Circuit 600 volt, Supply Circuit / Output Circuit 250 volt
Ambient Air Temperature Operation -20 ... +60 degree Celsius, Storage -40 ... +85 degree Celsius
Terminal Type Screw Terminals
Package Gross Weight 0.201 kilogram
Product Range Monitoring Relays
Invoice Description CM-SRS.21S Current monitoring relay 2c/o, B-C=3mA-1A RMS, 220-240VAC
Package Height 109 millimetre
Package Length 30 millimetre
Package Width 97 millimetre
Max Operating Voltage UL/CSA Output Circuit 300 volt AC
Function Over- or undercurrent monitoring
Extended Product Type CM-SRS.21S
Total GST Percentage 18.00
HSN Number 85364900
Country of origin Germany (DE) - Imported by ABB India Limited
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