Description
The Siemens WP4312RJB is a Uni-Pak meter pack designed for multi-position metering and power distribution in residential and light commercial applications. Siemens WP4312RJB provides a 400 A service with integrated meter sockets and breaker provisions for efficient load management. It is engineered for outdoor installations requiring centralized metering and reliable circuit distribution.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Power Distribution |
| Part Number |
WP4312RJB |
| Subcategory |
Meter Packs / Meter Sockets |
| Product Type |
Meter pack |
| Series |
Uni-Pak WP Standard |
| Amperage Rating (Main) |
400 A |
| Breaker Rating |
225 A |
| Phase |
Single-phase |
| Voltage Rating |
120/240 VAC |
| Configuration |
Multi-gang meter center |
| Meter Type |
Ringless |
| Bypass Type |
Horn bypass |
| Number of Positions |
3 gang |
| Enclosure Type |
NEMA 3R (outdoor rated) |
| Application |
Multi-tenant metering |
| Weight |
103 lb |
Information About WP4312RJB
The WP4312RJB is part of Siemens’ Uni-Pak WP standard series, designed for multi-tenant or grouped service entrance applications. It features a ringless meter socket configuration with horn bypass capability, allowing safe and convenient meter servicing. This unit supports single-phase 120/240 VAC systems and includes multiple gang positions with a 225 A breaker configuration. Built for durability and ease of installation, it is commonly used in apartment complexes, duplexes, and commercial buildings requiring centralized metering.
Key Features:
- Uni-Pak Meter Pack Design: Combines multiple meter sockets and distribution in one enclosure.
- 400A Main Capacity: Supports high-capacity service entrance applications.
- Ringless Socket with Horn Bypass: Enables safe meter removal and maintenance without service interruption.
- Multi-Gang Configuration: Designed for multi-tenant or grouped metering installations.
- 225A Breaker Provision: Provides branch circuit protection for each metered section.
- Single-Phase Operation: Suitable for 120/240 VAC residential and light commercial systems.
- Outdoor Rated Enclosure: Built for reliable performance in exterior environments.
- Compact Integrated Assembly: Reduces installation time and simplifies wiring.
The WP4312RJB delivers the reliability and precision required for centralized metering and distribution in multi-unit residential and commercial installations.
