Products

ABB CM-MSS.11S Thermister Motor Protection Relay PTC TypeA 24-240VAC/DC 1NO+1NC 15-400Hz

Product Code: CM-MSS.11S

  • Operates on 24-240 VAC/VDC, 15-400 Hz
  • Compact size: 97x109x30 mm
  • Features dynamic wire detection
  • IP20/IP50 protection rating
  • DIN rail mounting for easy install
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Specifications

Product Type Thermister Motor Protection Relay
Brand ABB
Connection Type Double-Chamber Cage Connection Terminals
Contact Configuration 1NO+1NC
Degree of Pollution IP3
Degree of Protection IP20, IP50
Depth 30 mm
Function Dynamic Interrupted Wire Detection, Non-volatile Fault Storage
Height 109 mm
LED Colour Green, Red, Yellow
Mounting Type DIN Rail
Number of LED's 3
Operational Temperature -40 to 85 deg C
Overvoltage Category III
Rated Current 4 A
Rated Frequency 15-400 Hz
Rated Impulse Withstand Voltage 4 kV
Rated Voltage 24-240 VAC/VDC
Sensor Type PTC Type A
Standards and Approvals CAN/CSA C22.2 No.14, EN 50495, IEC/EN 63000, IEC/EN 60079-7, IEC/EN 60947-5-1, IEC/EN 60947-8, UL 508
Terminal Type Screw
Weight 0.127 kg
Width 97 mm

Description

<p>When it comes to ensuring the safe and efficient operation of motors, having a reliable motor protection relay is paramount. This particular Motor Protection Relay offers a robust solution designed to meet various industrial and commercial needs with precision.</p><p>Designed for versatility, it operates within a wide rated voltage range of 24-240 VAC/VDC, accommodating diverse power systems seamlessly. Its rated current capacity stands at 4 A, making it suitable for numerous applications where precise motor control is essential. The relay&amp;#39;s adaptability is further enhanced by its support for frequencies from 15 to 400 Hz.</p><p>Safety and durability are key features of this device. With a rated impulse withstand voltage of 4 kV, it provides excellent protection against electrical surges. The contact configuration includes both normally open (1NO) and normally closed (1NC) contacts, offering flexibility in circuit design.</p><p>Installation is straightforward thanks to its DIN Rail mounting type and double-chamber cage connection terminals that ensure secure connections while simplifying wiring tasks. The screw terminal type adds an extra layer of reliability in maintaining stable connections over time.</p><p>The relay boasts an IP20 degree of protection for touch safety and IP50 for dust protection, making it suitable for use in controlled environments. It also meets the IP3 degree of pollution standard, indicating its resilience against environmental contaminants.</p><p>Compact yet powerful, the dimensions are practical with a width of 97 mm, height of 109 mm, and depth of 30 mm—ideal for space-constrained installations without compromising on performance. Operating efficiently across temperatures ranging from -40 to 85 degrees Celsius ensures reliable functionality even under extreme conditions.</p><p>Compliance with rigorous standards such as CAN/CSA C22.2 No.14, EN 50495, IEC/EN standards including IEC/EN 63000 among others assures users that this product adheres to international quality benchmarks enhancing trustworthiness in demanding settings.</p><p>Weighing just 0.127 kg makes handling easy during installation or maintenance activities without adding significant load to existing setups.</p><p>Equipped with PTC Type A sensors alongside dynamic interrupted wire detection capabilities and non-volatile fault storage functions ensures early detection and response to potential issues thereby minimizing downtime risks effectively monitored through green red yellow LED indicators providing clear status updates at a glance ensuring peace-of-mind operation always on track when you need it most!</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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