The Reliance?Controls?PBN30 is a 30-amp, 125/250?V AC power inlet box designed for safe and convenient connection of a portable or standby generator to a home or facility’s transfer switch or panel. The unit features a robust NEMA?3R-rated outdoor enclosure, generous wiring space, and a design optimized for efficient installation. It is particularly suited for installations where the generator is located outside and the connection needs to enter the electrical system via a dedicated inlet box.
Rated for 30?amps at 125/250?V AC, matching a common 30?amp generator configuration. Reliance Controls+1
NEMA?L14-30P configuration, making it compatible with standard 4-prong twist-lock generator cords. NeedCo+1
Raintight and bug-proof enclosure (NEMA?3R rating) suitable for outdoor installation. Electric Generators Direct+1
Slide-out base allows 360° access to terminals for easier wiring and installation. Lowe's
Over 100?cu.?in. wiring space providing ample room for connections and cable management. Electric Generators Direct
Multiple knock-outs (¾? and ½?) to facilitate conduit or cable entry from different sides/back. Platt Electric Supply
UV-stabilized ABS (for the non-metallic version) or durable steel version depending on configuration, ensuring weather durability. DuroMax Power Equipment
Amperage: 30?A Electric Generators Direct
Voltage: 125/250?V AC NeedCo
Configuration: NEMA?L14-30P Platt Electric Supply
Enclosure Rating: NEMA?3R (suitable for outdoor) NeedCo
Installation Type: Outdoor (and indoor rated in some configurations) Electric Generators Direct+1
Maximum generator running watts: Up to ~7,500?W in many applications (for a 30?A at 250?V rating) DuroMax Power Equipment
Dimensions approximately: 6.25? x 6.25? x 4.25? (varies slightly by version) DuroMax Power Equipment
Ideal for homeowners or contractors installing a portable generator backup system, where a dedicated inlet is needed outdoors.
Compatible with manual transfer switches or generator-ready load centers from Reliance Controls and other manufacturers. Reliance Controls
Useful for cabins, workshops, small commercial buildings, or residential homes that want a safe, code-compliant way to connect a generator.
As part of a complete backup power installation: generator ? inlet box ? transfer switch/panel ? critical circuits.
The PBN30 offers a balance of capacity (30?A) and flexibility for many home backup generator setups without over-investing in higher-amp equipment if not needed.
Its sturdy outdoor rating and protective features (bug-proof cover, UV-resistant materials) make it reliable in harsh conditions.
Installation-friendly design (slide-out base, wiring space, multiple knockouts) reduces labor time and simplifies wiring tasks for electricians.
Backed by a known brand in generator accessories (Reliance Controls) giving installer and homeowner confidence.
