BR355 | Eaton BR Series 3-Pole 55A 240V Thermal Magnetic Circuit Breaker

Eaton · HMIs & Displays

Description   The Eaton BR355 is a thermal magnetic molded case circuit breaker engineered to provide dependable overcurrent protection in three-phase electrical systems. Designed for 240-volt applications, it supports a 55-amp load capacity and ensures safe power distribution in residential, commercial, and light industrial environments.   Technical Specifications  Condition New/Never Used Surplus Brand Eaton Category Circuit Breaker Part Number BR355 Subcategory Molded Case Circuit Breaker Family BR Series Type BR Voltage 240 V Amperage 55 A Poles 3 Phase 3 Functions LI – Long-Time and Instantaneous Connection Plug-In AIC Rating 10 kA @ 240 V Protection Thermal Magnetic Interrupting Capacity Standard Operating Temperature 40°C Application Three-phase electrical distribution Mounting Style Plug-In Molded Case Information About BR355 The BR355 is a molded case circuit breaker engineered for dependable protection within Eaton’s BR Series electrical distribution family. It features a three-pole configuration suited for three-phase power systems, allowing it to deliver stable and consistent interruption capability across demanding applications. The plug-in design ensures quick installation into compatible BR load centers, maintaining secure electrical connections with minimal setup time. Operating with Long-Time and Instantaneous trip functions, the BR355 provides balanced overload and short-circuit protection using a thermal magnetic mechanism for accurate response characteristics. Key Features Three-pole construction: Supports three-phase electrical distribution with consistent performance. 55-amp rating: Designed for medium-capacity circuit protection in BR Series systems. Thermal magnetic protection: Combines long-time overload sensing with instantaneous fault interruption. LI trip functions: Provides Long-Time and Instantaneous operating modes for coordinated protection. 10 kA interrupt rating: Handles standard fault levels in residential, commercial, and light industrial environments. Plug-in connection: Enables fast installation and secure integration into BR panelboards. 240-volt operation: Supports a wide range of power distribution applications at standard system voltage. Molded case construction: Ensures durability and stable operation under varying electrical conditions. The BR355 delivers the reliability and precision required for maintaining safe and efficient power distribution in multi-phase electrical systems.

Brand: Eaton · Category: HMIs & Displays

Key features

• Three-pole construction: Supports three-phase electrical distribution with consistent performance.
• 55-amp rating: Designed for medium-capacity circuit protection in BR Series systems.
• Thermal magnetic protection: Combines long-time overload sensing with instantaneous fault interruption.
• LI trip functions: Provides Long-Time and Instantaneous operating modes for coordinated protection.
• 10 kA interrupt rating: Handles standard fault levels in residential, commercial, and light industrial environments.
• Plug-in connection: Enables fast installation and secure integration into BR panelboards.
• 240-volt operation: Supports a wide range of power distribution applications at standard system voltage.
• Molded case construction: Ensures durability and stable operation under varying electrical conditions.

Specifications

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