NOARK B1E3D40 Supplementary Circuit Breaker 3-Pole 40A D-Curve 480VAC UL1077

Description

• The NOARK B1E3D40 is a high-performance 3-pole supplementary circuit breaker designed for reliable protection of industrial control circuits and equipment. Rated at 40 amps with a D-curve tripping characteristic, this breaker is ideal for applications with high inrush currents such as motors, transformers, and power supplies.

  Certified to UL 1077, the B1E3D40 is intended for supplementary protection in control panels and machinery, operating at up to 480 VAC with a 5 kA interrupting capacity. Its compact B1E series design allows for easy panel installation while maintaining dependable thermal-magnetic protection in demanding industrial environments.

  Perfect for OEMs, panel builders, and industrial automation systems where reliable supplementary protection is required.

  ---

  🔹 Key Specifications (Bullets for SEO)

  • Brand: NOARK Electric

  • Series: B1E

  • Model: B1E3D40

  • Type: Supplementary Circuit Breaker

  • Poles: 3-Pole

  • Current Rating: 40 Amp

  • Trip Curve: D-Curve

  • Voltage Rating: 480 VAC

  • Interrupting Capacity: 5 kA

  • Standard: UL 1077

  • Protection Type: Thermal / Magnetic

  • Application: Industrial Control Panels & Machinery