Automation & Control
CM-SRS.21S Current monitoring relay 2c/o, B-C=3mA-1A RMS, 110-130VAC
Out of stock
Product Id
1SVR730841R0400
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 110 - 130 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, 110-130VAC
MRP (Indian Rupees) | Not for Retail Sale |
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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, 110-130VAC |
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 |
Declaration of Conformity - CE | Click Here |
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Product Catalog | Click Here |
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