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Schneider Electric M9U21106 Miniature Circuit Breaker

The Schneider Electric 1-Pole Supplementary Thermal Magnetic Circuit Breaker rated at 6A is designed for DC applications from 12V to 250V. It features a lever actuator, box lug terminal connections, and a C trip curve for reliable protection. Compliant with UL 1077 standards, this breaker is suitable for distribution systems, providing a breaking capacity up to 10 kA at 220 V DC. Its compact 81 mm height, 18 mm width, and 73 mm depth ensure easy installation on DIN rails, making it ideal for industrial and automation projects requiring dependable circuit protection.

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Source:DigiKey
Part No:M9U21106
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Inv Date:06-08-2026
Price: Unit price: $182.18
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Part No:M9U21106
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Inv Date:06-09-2026
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Part No:M9U21106
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Inv Date:06-08-2026
Price: Unit price: $198.38
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Part No:M9U21106
Stock:7
Inv Date:06-08-2026
Price: Unit price: $120.489
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Schneider Electric M9U21106 Miniature Circuit Breaker Specifications:

  • Poles: 1P
  • Rated Current: 6A (EN/IEC 60947-2), 6A (UL 1077)
  • Rated Voltage: 12-250 V DC
  • Breaking Capacity: 10 kA at 220 V DC, 6 kA at 250 V DC, 20 kA at 110 V DC
  • Trip Curve: C
  • Control Type: Toggle
  • Mounting: DIN rail
  • Maximum Height: 81 mm (3.19 inches)
  • Maximum Width: 18 mm (0.71 inches)
  • Maximum Depth: 73 mm (2.87 inches)
  • Color: Gray
  • Electrical Durability: 6000 cycles at 250 V DC
  • Mechanical Durability: 20,000 cycles
  • Terminal connections: Tunnel type, AWG 18-8, top or bottom
  • Wire Stripping Length: 14 mm (0.55 inches)
  • Tightening Torque: 2.5 N·m (22.13 Lbf·in)
  • IP Degree of Protection: IP20 / IP40
  • Ambient Temperature Range: -25°C to 70°C
  • Humidity: Up to 95%
  • Certifications: IEC, UL 1077, ccc
  • RoHS Compliant, REACh compliant, mercury-free, heavy metal-free

Buy the Schneider Electric M9U21106 – Reliable Circuit Breaker for Industrial Applications

Enhance your electrical distribution setup with the Schneider Electric 6A circuit breaker, designed for DC applications up to 250V. This single-pole device features a robust toggle control, DIN rail mounting, and a C trip curve for precise protection. Its compact size ensures easy installation, while its high breaking capacity guarantees safety against fault currents. Built to meet UL, IEC, and RoHS standards, this breaker provides reliable, efficient circuit interruption for industrial and automation environments. Purchase online today for secure and compliant electrical protection.

Order your Schneider Electric M9U21106 6A circuit breaker today and secure your distribution system with dependable and industry-approved protection.

Frequently Asked Questions

Where can I buy Schneider Electric M9U21106?

You can click on the BUY or RFQ button to purchase M9U21106 from an authorized Schneider Electric distributor.

How do I troubleshoot issues or seek technical support for part M9U21106?

You can download the M9U21106 datasheet or visit the Schneider Electric website for support.

Who is the manufacturer of M9U21106?

Schneider Electric

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