Products

ABB M303PD50 Miniature Circuit Breaker 12.5 kA 3-P 50A 415V D-Magnetic Curve

Product Code: M303PD50

  • 50 A rated current, suitable for various applications
  • High breaking capacity of 12.5kA
  • Operates at voltages up to 415 V
  • Magnetic D curve for precise protection
  • Compliant with IEC/EN 60947-2 standards
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Specifications

Product Type Miniature Circuit breaker
Brand ABB
Series M300P
Ambient Temperature -40 to 70 deg C
Curve Type Magnetic D
Degree of Pollution IP3
Depth 69 mm
Height 88 mm
Housing Colour RAL 7036 Grey
Mounting Type DIN Rail
Number of Poles 3
Rated Current 50 A
Rated Frequency 50/60 Hz
Rated Impulse Withstand Voltage 6 kV
Rated Insulation Voltage 500 V
Rated Short Circuit Current 12.5 kA
Rated Voltage 415 V
Standards and Approvals IEC/EN 60947-2
Tightening Torque 2.8 N-m
Weight 0.372 kg
Width 52.5 mm

Description

<p>In the world of electrical engineering, choosing the right Miniature Circuit Breaker (MCB) is crucial for ensuring safety and reliability in your installations. The M300P series MCB is a robust choice, designed to meet the demanding needs of both industrial and commercial environments.</p><p>This MCB boasts a rated current of 50 A, making it suitable for a wide range of applications. With a breaking capacity of 25 kA, it effectively handles high fault currents, providing dependable protection against short circuits and overloads. The device operates at a rated voltage of 415 V and supports both 50 Hz and 60 Hz frequencies, offering flexibility across different power systems.</p><p>For those concerned with durability under challenging conditions, this unit offers an impressive ambient temperature range from -40 to 70 degrees Celsius. This ensures reliable performance even in extreme environments. Moreover, its housing is crafted in RAL 7036 grey, which not only provides an appealing aesthetic but also signifies resilience.</p><p>The M300P series adheres to IEC/EN 60947-2 standards, guaranteeing compliance with international safety regulations. Its rated impulse withstand voltage stands at an admirable 6 kV while maintaining a rated insulation voltage of 500 V—features that underscore its capability to endure transient overvoltages.</p><p>Installation is straightforward thanks to its DIN Rail mounting type. It features three poles and comes with a magnetic D curve type characteristic—a design that ensures quick response times during faults without unnecessary tripping during normal operation peaks.</p><p>Physically compact yet sturdy, this MCB measures just 52.5 mm in width, 88 mm in height, and has a depth of 69 mm—making it easy to fit into various panel configurations without compromising on space efficiency. Weighing only 0.372 kg further adds to its ease of handling during installation or maintenance tasks.</p><p>When it comes to connection security, the tightening torque specification stands at 2.8 N-m ensuring firm connections that resist loosening over time due to vibrations or thermal cycling effects often encountered in dynamic industrial settings.</p><p>Finally—and importantly—the degree of pollution rating IP3 provides adequate protection against ingress from solid objects larger than specified dimensions like wires or tools potentially enhancing operational safety by reducing risks associated with accidental contact during servicing activities within enclosures where these units are installed as part components thereof overall system architecture design considerations being taken into account accordingly throughout project lifecycle phases involved therein up until final commissioning stages reached successfully completed satisfactorily achieving desired outcomes anticipated 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Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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