Eaton A200/B100 Thermal Overload Heater Coil, NEMA A200 Starter Size 4, 3-Phase

Eaton A200/B100 Thermal Overload Heater Coil, NEMA A200 Starter Size 4, 3-Phase

The Eaton A200/B100 Heater Coil is a NEMA-rated overload protection element engineered for use with A200 Starter Size 4, 3-Phase Only applications. Featuring Type A and B overload relay compatibility with combined thermal and fast trip protection, this heater coil is selected based on the full load current (FLA) shown on the motor nameplate to protect motors against sustained overcurrent conditions. Built to Eaton's NEMA design standards and UL Listed for code-compliant installations, this heater coil delivers dependable, ambient-compensated overload sensing for demanding 3-phase motor control systems.

Key Features

• Application Fit: Used with A200 Starter Sizes 4, 3-Phase Only, for precise motor overload matching.
• Trip Type: Thermal and Fast Trip protection responds to both sustained overloads and rapid fault conditions.
• Overload Relay Compatibility: Designed for Type A and B overload relays used in A200 starter assemblies.
• Design Standard: NEMA-rated construction for reliable performance in industrial motor control applications.
• Selection Basis: Heater coils are selected according to full load current (FLA) shown on the motor nameplate.
• Rated Performance: Rated to protect at a 40°C rise with a 1.15 service factor for accurate overload response.
• Phase Requirement: Three-Phase motor protection requires three heaters per starter (Single-Phase requires two).

Certifications & Compliance

• UL Listed

Technical Specifications

• Product Type: Motor Starter
• Used With: A200 Starter Sizes 4, 3-Phase Only
• Type: A200 Heater
• Overload Relay: Type A and B
• Trip Type: Thermal and Fast Trip
• Design: NEMA
• Certifications: UL Listed

Typical Applications

• Industrial 3-Phase Motor Control Circuits
• NEMA A200 Motor Starter Assemblies
• Motor Overload Protection Upgrades and Replacements
• Panelboard and Motor Control Center Installations
• Commercial and Industrial Electrical Maintenance

Why Eaton?

Eaton A200/B100 heater coils are built to NEMA design standards and UL Listed for dependable, code-compliant overload protection in industrial motor control systems. With precise thermal and fast trip response calibrated to motor nameplate FLA ratings, these heater coils help ensure reliable, long-lasting motor protection for demanding 3-phase electrical installations.