Overview
The Westinghouse 966480-H is an overload heater element specifically designed for use in AR3.8 Type MW relay systems. This heater element serves as a critical thermal protection component in motor control circuits, providing reliable overload detection and protection for industrial machinery. The part is engineered to meet the thermal characteristics required for safe motor starter operation.
Key Features
- Designed for AR3.8 Type MW overload relay systems
- Provides accurate thermal protection for motor control applications
- Compatible with Westinghouse motor starters and relay assemblies
- Compact form factor for easy installation in control enclosures
- Meets industrial control equipment standards for reliability
Technical Specifications
- Manufacturer: Westinghouse
- Part Number: 966480-H
- Series: AR3.8
- Type: MW (heater element designation)
- Product Category: Overload Heater Element
- Condition: New in Box
Typical Applications
- Motor control circuits requiring thermal overload protection
- Industrial motor starters and contactors
- Machine tool control systems
- HVAC and pump control applications
- Production line equipment protection
Compatibility & Replacements
Compatible With
- Westinghouse AR3.8 overload relay assemblies
- Westinghouse Type MW motor starters
- Industrial motor control systems using thermal overload protection
Replaces / Drop-In Replacement For
- Original Westinghouse 966480-H units
- Other AR3.8 heater elements requiring equivalent thermal ratings
Works With
- Westinghouse AR3.8 relay contact blocks and assemblies
- Thermal overload relay systems in motor control cabinets
- Standard 3-phase and single-phase motor starter configurations
