Overview
The Square D EZM31200TBU EZ Meter-Pak Main Lug Terminal Box is a commercial-grade metering solution engineered for 3-phase underground (UG) service entrance applications. Rated at 1200A and 240V AC with a 1200A bus, this unit accommodates large commercial and light industrial loads where a dedicated main lug termination point is required ahead of downstream distribution. The NEMA Type 3R enclosure ensures reliable outdoor performance, and EUSERC compliance satisfies utility specifications across many service territories.
Features
- 1200A main lug rating with 1200A bus for heavy commercial service entrance
- 240V AC maximum voltage, 3-phase/4-wire configuration
- Underground (UG) service entrance design
- NEMA Type 3R weatherproof enclosure for outdoor installation
- EUSERC compliant for utility metering acceptance
- Surface mounting configuration
- Part of Square D’s EZ Meter-Pak system for modular metering assemblies
Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Square D (Schneider Electric) |
| Model Number | EZM31200TBU |
| Product Type | Meter Center Main Lug Terminal Box |
| Ampere Rating | 1200A |
| Voltage Rating | 240V AC Maximum |
| Phase / Wire | 3-Phase / 4-Wire |
| Bus Rating | 1200A |
| Service Type | Underground (UG) |
| Enclosure Type | NEMA Type 3R |
| Mounting | Surface |
| Compliance | EUSERC |
| UPC | 78590118942 |




