WP3311RJB, Meter Pack – Multi-Family Electrical Metering Solutions The Siemens WP3311RJB Meter Pack is a surface-mounted, ringless style Uni-PAK metering solution designed for multi-family residential and small commercial applications. This 120/240V, 1-phase, 3-wire meter pack supports up to 300A bus amperage and is suitable for garden-style installations. It features a horn bypass and is UL listed for safety and performance compliance. The unit is engineered to provide flexible, easy installation with top or bottom cable feed options, making it an ideal product for electrical distributors and switchgear suppliers managing wire and cable distribution in multi-tenant environments. Specifications Manufacturer: Siemens Product Name: WP3311RJB, Meter Pack Mounting Type: Surface Voltage Rating: 120/240V Phase: 1 Phase, 3 Wire Bus Amperage: 300 A Meter Positions: 3 Dimensions (HxWxD): 38.75" x 25.42" x 7.56" Cable Entry: Top or Bottom Feed Terminal Design: 3 x 2 Studs, Insulated Enclosure Style: Ringless Suitability: Garden-Style UL Certifications: UL-50, UL-67, UL-414 Product Weight: 84 lbs Features Horn bypass included for ringless style units Completely self-contained meter centers Compact, pre-bussed design for easy handling, hanging, and wiring Barriered, sealable compartment for unmetered current carrying parts AL/CU lay-in lugs except for two-position 125A units Factory or field installable 5th jaw kit Outdoor surface mounted enclosure with ANSI #61 light gray electrodeposited paint on zinc-coated G90 steel Downloads & Links Data Sheet Other 2 Catalog Other 3 Installation/Operator Other 1