Leviton HC277-M40 277/480 VAC Surge Protection Replacement Module
The Leviton HC277-M40 is a 277/480 VAC surge replacement module engineered to restore full surge suppression performance in compatible Leviton surge protection panels. This module is a direct-fit replacement for the Leviton 74277-7M3 (7) surge panel, allowing electrical contractors and facility maintenance teams to service existing surge protection systems without replacing the entire panel assembly. Rated for 277/480 VAC three-phase electrical distribution, the HC277-M40 helps maintain continuous protection for sensitive equipment against transient voltage events in commercial and industrial environments.
Key Features
- Voltage Rating: Configured for 277/480 VAC systems, matching the electrical characteristics of the Leviton surge panel it replaces.
- Direct Panel Compatibility: Purpose-built replacement module for the Leviton 74277-7M3 (7) surge protection panel, ensuring proper fit and function.
- Product Type: Surge protector module designed for use within a panel-mounted surge protection system rather than as a standalone device.
- Field-Serviceable Design: Enables replacement of a worn or expended surge module without requiring removal of the entire surge protection panel.
- Leviton Engineering: Manufactured by Leviton, a recognized supplier of wiring devices and surge protection equipment for professional electrical applications.
Technical Specifications
- Product Type: Surge Protector
- Compatible Panel: Leviton 74277-7M3 (7)
- Voltage Rating: 277/480 VAC
- Technical Information: Download manufacturer technical documentation (PDF)
Typical Applications
- Replacement Module Service for Leviton Surge Protection Panels
- Commercial and Industrial Electrical Distribution Systems
- 277/480 VAC Three-Phase Power Installations
- Panelboard Surge Protection Maintenance and Upkeep
- Facility Electrical Systems Requiring Continued Surge Protection
Why Leviton?
Leviton is a long-standing manufacturer of wiring devices and surge protection equipment used throughout commercial and industrial electrical installations. The HC277-M40 replacement module is engineered to match the voltage requirements and panel compatibility of the Leviton 74277-7M3 (7) surge panel, giving electrical professionals a reliable path to keep existing surge protection infrastructure fully functional. Choosing a genuine Leviton replacement module helps ensure the surge protection panel continues to perform as originally specified.
Manufacturer Resources
Product Specs
- Department:
- Electrical
- Product Subgroup:
- Unassigned Modules
- Product Group:
- Wiring Devices
- Product Type:
- Surge Protector