Products

ABB CM-SFS.21S Current Monitoring Relay 3-30mA 10-100mA 0.1-1A 24-240VAC/DC 2 x 1CO or 1 x 2CO 4A

Product Code: CM-SFS.21S

  • Measures current from 3 mA to 1 A
  • Operates on 24-240 VAC/VDC
  • Compact DIN Rail mounting
  • IP20/IP50 protection rating
  • High electrical durability: 100,000 ops
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Specifications

Product Type Current Monitoring Relay
Brand ABB
Contact Configuration (2) 1CO or (1) 2CO
Contact Form (2) 1CO or (1) 2CO
Degree of Pollution IP3
Degree of Protection IP20, IP50
Electrical Durability 100000 Operations
Function Over And Undercurrent Monitoring
Height 85.6 mm
LED Colour U/T: Green, I: Red, R: Yellow
Measuring Range 3-30 mA, 10-100 mA, 0.1-1 A
Mechanical Durability 30000000 Operations
Mounting Type 35 x 15 mm DIN Rail, 35 x 7.5 mm DIN Rail
Operating Time 0.1-30 s
Operational Temperature -20 to 60 deg C
Output Type (2) 1CO, (1) 2CO
Overvoltage Category III
Rated Current 4 A
Rated Voltage 24-240 VAC/VDC
Standards and Approvals CAN/CSA C22.2 No.14, IEC/EN 63000, IEC/EN 60255-27, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508
Terminal Type Screw
Weight 0.15 kg
Width 22.5 mm

Description

<p>This robust over and undercurrent monitoring device is designed to meet the demanding needs of industrial and commercial applications. With a versatile measuring range of 3-30 mA, 10-100 mA, and 0.1-1 A, it provides precise current monitoring capabilities essential for maintaining system integrity and preventing equipment damage.</p><p>Operating efficiently across a rated voltage spectrum of 24-240 VAC/VDC, this device can handle a rated current of up to 4 A. It features flexible contact configurations with options for (2) 1CO or (1) 2CO forms, ensuring adaptability in various electrical setups.</p><p>Installation is straightforward with its DIN rail mounting compatibility—suitable for both 35 x 15 mm and 35 x 7.5 mm rails—making it an ideal choice for streamlined integration into existing systems. The compact design measures just 22.5 mm in width and stands at a height of 85.6 mm.</p><p>The unit&amp;#39;s operational efficiency is highlighted by its quick response time, adjustable from as low as 0.1 seconds up to a full minute (30 s). This rapid response capability is crucial in environments where timely intervention can prevent costly downtimes or equipment failures.</p><p>Built to last, the device boasts impressive durability metrics: an electrical lifespan of up to 100,000 operations and mechanical durability extending to an extraordinary count of over thirty million operations (30,000,000). Such longevity ensures reliable performance over extended periods.</p><p>Protection against environmental factors is assured with an IP20 rating on the terminals and IP50 on the enclosure body; it&amp;#39;s also equipped with pollution degree protection classified under IP3 standards. Furthermore, it operates effectively within a temperature range from -20&amp;#176;C to +60&amp;#176;C, making it suitable for diverse climatic conditions.</p><p>Safety compliance is thoroughly covered by adherence to multiple standards including CAN/CSA C22.2 No.14 for Canadian markets and UL508 for North America alongside several IEC/EN certifications such as IEC/EN63000 which underscores its global applicability.</p><p>Weighing only around 0.15 kg makes handling effortless during installation or maintenance processes without compromising on structural integrity or performance reliability.</p><p>In summary, this over and undercurrent monitor offers comprehensive functionality wrapped in a durable package that meets international safety standards while providing flexibility through its adaptable configuration options—all key considerations when selecting components critical to your operation&amp;#39;s success.</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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