Milbank U4664-X-8502 Bolt-On Meter Socket
The Milbank U4664-X-8502 is a heavy-duty bolt-on meter socket rated for 480A continuous and 600A maximum current. Designed for single-phase, 4-jaw installations at 300V, this socket features a large closing plate and is built for surface-mount applications in outdoor environments with its NEMA 3R enclosure rating.
Key Features
- Bolt-on connection type
- 480A continuous / 600A maximum amperage rating
- 300V voltage rating
- 1-Phase configuration
- 4-Jaw socket design
- Suitable for overhead (OH) and underground (UG) service
- Large closing plate included
- Surface-mount installation
- NEMA 3R enclosure rating for outdoor use
Specifications
- Model: U4664-X-8502
- Amperage: 480A Continuous / 600A Max.
- Voltage: 300V
- Phase: 1-Phase
- Jaws: 4-Jaw
- Enclosure: NEMA 3R
- Mounting: Surface-Mount
- Service: OH/UG
Applications
Designed for utility metering applications in commercial and industrial settings. The NEMA 3R rating makes this socket suitable for exposed outdoor installations, and the OH/UG compatibility provides flexibility for both overhead and underground electrical service configurations.

