Products

ABB CM-MSS.51S Thermister Motor Protection Relay PTC TypeA 24-240VAC/DC 1CO+2CO 15-400Hz

Product Code: CM-MSS.51S

  • Supports 24-240 VAC/VDC operation
  • Handles current up to 4 A
  • Wide frequency range: 15-400 Hz
  • Compact size: 22.5 mm width
  • Operates in -40 to 85°C temperature range
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Specifications

Product Type Thermister Motor Protection Relay
Brand ABB
Connection Type Double-Chamber Cage Connection Terminals
Contact Configuration 1CO+2CO
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 0.145 kg
Width 22.5 mm

Description

<p>When it comes to safeguarding your motor systems, the Motor Protection Relay is a reliable choice for industrial and commercial applications. With its versatile voltage range of 24-240 VAC/VDC and a rated current of 4 A, this relay is designed to meet diverse operational needs. It operates efficiently across a wide frequency spectrum from 15 to 400 Hz, making it adaptable to various power supply conditions.</p><p>The relay&amp;#39;s robust design includes an impressive rated impulse withstand voltage of 4 kV, ensuring durability in demanding environments. Its contact configuration features one changeover (1CO) and two changeover (2CO) contacts, providing flexibility in control circuit designs.</p><p>Installation is straightforward with the DIN rail mounting type, while the double-chamber cage connection terminals ensure secure and reliable connections. The screw terminal type further supports easy installation and maintenance.</p><p>In terms of protection, the relay offers IP20 protection for its terminals and IP50 for its housing, along with a degree of pollution rating at IP3. This makes it suitable for use in moderately challenging environmental conditions without compromising performance.</p><p>The compact dimensions—22.5 mm width, 85.6 mm height, and 103.7 mm depth—allow for easy integration into existing panels or systems without occupying excessive space. Despite its small size, it packs significant functionality with advanced features like short circuit detection (configurable), dynamic interrupted wire detection, and non-volatile fault storage (configurable).</p><p>Operational temperature ranges from -40 to 85 degrees Celsius ensure that this relay can function reliably even under extreme conditions—a critical factor for operations in varied Australian climates.</p><p>For those concerned about compliance and safety standards, rest assured that this product adheres to several key certifications including CAN/CSA C22.2 No.14, EN 50495 among others such as IEC/EN standards which underscore its quality assurance.</p><p>Additionally equipped with green, red, and yellow LED indicators for clear status monitoring at a glance—it simplifies troubleshooting processes significantly.</p><p>Weighing just 0.145 kg ensures minimal impact on system load while delivering maximum efficiency through PTC Type A sensor technology dedicated towards precise motor protection tasks effectively managing potential faults before they escalate into costly downtime scenarios thereby enhancing overall productivity levels within your facility setup seamlessly!</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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