SEH1C20 - 20 Amp Circuit Breaker

SEH1C20 - 20 Amp Circuit Breaker

Choose the SEH1C20 circuit breaker when you need reliable single‑pole protection across residential, commercial, or industrial electrical systems. With its 20 amp rating and thermal‑magnetic design, this breaker guards against overloads and short circuits—helping keep your critical equipment safe and operational even in warmer environments.

Key Features and Benefits

• High Interrupting Capacity: Rated at 18 kAIC at 120 VAC and 14 kAIC at 277 VAC, suitable for a variety of voltage environments.
• Thermal‑Magnetic Protection: Combines thermal response for overload control with magnetic trip functionality for short‑circuit safety.
• Slim Design: Measures just 1.38″ wide, making it easy to fit into tight breaker panels and maximizing space efficiency.
• Heat-Tolerant Performance: Operates reliably in ambient temperatures up to 40 °C, making it great for hot environments or poorly ventilated enclosures.
• Easy to Install: Lightweight and compact for quick mounting and wiring without hassle.

Technical Specifications

• Poles: 1 (Single‑Pole)
• Rated Current: 20 Amperes
• Interrupting Rating:
  • 18 kAIC @ 120 VAC
  • 14 kAIC @ 277 VAC
• Frame Type: SEH
• Dimensions:
  • Width: 1.38 inches
  • Length: 6.31 inches
  • Depth: 3.38 inches
• Weight: Approximately 3.5 lbs
• Operating Temperature: Up to 40 °C

Material Compliance and Certifications

• Industry Standards: Manufactured to meet industry safety and performance standards, the SEH1C20 is built from high-quality materials and undergoes rigorous testing to ensure dependable operation.
• Certifications: It meets current UL/CSA safety requirements and is compliant with relevant IEC specifications for reliable protection.

Suitability

• Residential breaker panels needing 20 A branch circuit protection
• Commercial installations like lighting and branch circuits
• Industrial control panels or distribution boards subject to moderate fault currents
• Situations where panel space is limited and ambient conditions reach up to 40 °C