Eaton A200/B100 NEMA Overload Heater Element, Type A and B, Thermal and Fast Trip

Eaton A200/B100 NEMA Overload Heater Element, Type A and B, Thermal and Fast Trip

The Eaton A200/B100 overload heater element is a NEMA-design thermal overload relay heater built for use with Starter Sizes 0, 1, and 2. Compatible with both Type A and Type B overload relays, this heater element delivers thermal and fast trip protection to help guard connected motors against sustained overload conditions. Heater coils are selected based on the full load amperage (FLA) shown on the motor nameplate, with each coil rated to protect a 40°C rise application at a 1.15 service factor, making it a dependable replacement component for Eaton A200/B100 motor starter assemblies.

Key Features

• NEMA Design: Engineered to NEMA standards for direct compatibility with Eaton A200/B100 series motor starters.
• Starter Compatibility: Used with Starter Sizes 0, 1, and 2 for flexible application across common motor control installations.
• Overload Relay Type: Compatible with both Type A and Type B overload relays.
• Trip Type: Thermal and fast trip protection helps prevent motor damage from sustained or rapid overload conditions.
• Sizing Guidance: Select heater coils based on the full load current (FLA) shown on the motor nameplate; coils are rated to protect a 40°C rise at a 1.15 service factor.
• Phase Requirements: Single-Phase applications require 2 heaters; Three-Phase applications require 3 heaters.
• Compact Construction: Product Length/Depth of 2.1 in supports easy installation into compatible starter housings.

Certifications & Compliance

• NEMA Design
• Backed by Eaton Selling Policy 25-000 Warranty: one (1) year from installation or eighteen (18) months from shipment, whichever occurs first

Technical Specifications

• Used with: Starter Sizes 0, 1, and 2
• Product Length/Depth: 2.1 in
• Overload Relay: Type A and B
• Trip Type: Thermal and fast trip
• Design: NEMA
• Product Type: Motor Starter

Typical Applications

• Motor Control Centers and Starter Panels
• Overload Protection for Single-Phase and Three-Phase Motors
• Commercial and Industrial Motor Control Installations
• Replacement Heater Elements for Eaton A200/B100 Starters
• Panelboard and Motor Starter Maintenance

Why Eaton?

Eaton's A200/B100 overload heater elements are engineered to NEMA standards, giving electricians and maintenance teams a dependable, code-compliant replacement component for Type A and Type B overload relays. With clear FLA-based sizing guidance, defined phase requirements, and thermal and fast trip protection, these heater elements support reliable, long-lasting motor protection for Eaton A200/B100 starter assemblies used across commercial and industrial facilities.