Products

ABB CM-MSS.41S Thermister Motor Protection Relay PTC TypeA 24-240VAC/DC 2CO SPDT 15-400Hz

Product Code: CM-MSS.41S

  • Wide voltage range: 24-240 VAC/VDC
  • Compact size: 22.5 mm width
  • Configurable short circuit detection
  • Operates in -40 to 85°C temperature range
  • IP20/IP50 protection rating
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Specifications

Product Type Thermister Motor Protection Relay
Brand ABB
Connection Type Double-Chamber Cage Connection Terminals
Contact Configuration 2CO SPDT
Degree of Pollution IP3
Degree of Protection IP20, IP50
Depth 103.7 mm
Function Short Circuit Detection (Configurable), Dynamic Interrupted Wire Detection, Non Volatile Fault Storage (Configurable)
Height 85.6 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 0.141 kg
Width 22.5 mm

Description

<p>When it comes to safeguarding your motors, reliability and precision are non-negotiable. This Motor Protection Relay is engineered for industrial and commercial applications where performance meets rigorous standards. Designed with versatility in mind, the relay supports a wide range of voltages—24-240 VAC/VDC—and handles currents up to 4 A. It operates efficiently across an impressive frequency range of 15-400 Hz.</p><p>The relay&amp;#39;s robust construction ensures resilience under challenging conditions. With a rated impulse withstand voltage of 4 kV, it stands ready to protect against transient overvoltages. The contact configuration features a 2CO SPDT setup, offering flexible switching capabilities tailored to various operational needs.</p><p>Installation is straightforward with its DIN Rail mounting design, complemented by double-chamber cage connection terminals that ensure secure and reliable connections. The compact dimensions—22.5 mm width, 85.6 mm height, and 103.7 mm depth—make it easy to integrate into existing systems without requiring extensive space.</p><p>Durability is further enhanced by its degree of protection ratings: IP20 for general ingress protection and IP50 for dust resistance within enclosures, along with an IP3 degree of pollution rating indicating suitability for environments with moderate levels of contamination.</p><p>This relay thrives in extreme temperatures ranging from -40&amp;#176;C to +85&amp;#176;C, ensuring reliable operation whether installed in frigid or sweltering conditions. Weighing just 0.141 kg, it&amp;#39;s lightweight yet sturdy enough for demanding industrial settings.</p><p>The device adheres strictly to international standards including CAN/CSA C22.2 No.14, EN 50495, IEC/EN standards like 63000 and more; UL508 certification underscores its safety credentials.</p><p>Functionality extends beyond basic motor protection: the relay offers configurable short circuit detection as well as dynamic interrupted wire detection—a feature crucial for maintaining system integrity in real-time operations—and non-volatile fault storage that retains error data even after power loss.</p><p>For user-friendly diagnostics at a glance, LED indicators in green, red, and yellow provide immediate visual feedback on operational status or faults detected by the PTC Type A sensor embedded within the unit.</p><p>In summary this Motor Protection Relay combines advanced features with practical design elements making it an ideal choice for those seeking dependable motor management solutions compliant with stringent industry norms while remaining adaptable across diverse applications.</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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