Eaton FAZ-D1/1-SP - 1A, 277VAC, 1-Pole, Miniature Circuit Breaker (MCB)

Meet Eaton FAZ-D1/1-SP — a compact, dependable 1A, 277VAC miniature circuit breaker (MCB) designed to protect critical circuits in modern electrical distribution. With a streamlined 1-pole design, this device fits neatly into panelboards, switchboards, and control panels where space is at a premium without compromising safety or performance.

Key benefits that matter in the real world

• Precise overcurrent protection: A 1-amp rating targets low-current control circuits and sensor networks, preventing nuisance trips while guarding against overloads.
• 277VAC suitability: Optimized for commercial and industrial environments that run on 277V, making it ideal for lighting, HVAC control, and other distribution needs.
• 1-Pole versatility: Slim, single-pole construction enables easy integration into compact control panels and space-constrained installations.
• Flexible deployment: Suitable for panelboards, switchboards, and motor control centers, supporting modular protection in both new builds and upgrades.
• Trusted Eaton engineering: Built to deliver reliable, predictable protection in demanding environments—ideal for OEM applications, commercial installations, and industrial maintenance.

Specifications at a glance

• Current rating: 1 A
• Voltage rating: 277 VAC
• Poles: 1-Pole
• Breaker type: Miniature Circuit Breaker (MCB)

Who benefits from the FAZ-D1/1-SP? Electrical engineers, panel builders, and maintenance technicians working in commercial facilities, light industrial settings, or OEM assemblies where precise protection on 277V circuits is essential. It’s particularly well-suited for single-phase circuits in distribution panels and motor control centers where space is tight and reliability matters.

Practical deployment tips

• Plan protection upstream to ensure coordinated safety across the electrical distribution network.
• Monitor circuit loads to stay within the 1 A rating, reducing the likelihood of unnecessary trips.
• Verify compatibility with your panelboard or switchboard’s rail system and mounting approach to maintain secure, long-lasting connections.

Choosing the FAZ-D1/1-SP means opting for a purpose-built, single-pole MCB that delivers targeted protection for 277V circuits in demanding industrial and commercial environments. It’s a reliable, space-efficient solution for safeguarding critical control circuits and lighting infrastructure alike.