Replacement for RJ2012SP RADIUM Halogen - AR48 Shape G4 Base 20W 12V

Built to the specifications of the RJ2012SP from RADIUM, this compatible halogen replacement provides a straightforward path to restoring your equipment. At 20W, 12V, AR48 form factor, it drops into the G4 bi-pin base socket and runs at the correct operating point.

This lamp produces a warm, full-spectrum light that makes spaces feel inviting and shows products, interiors, and architectural details at their best. It reaches full brightness the moment it is switched on, with no warm-up period, and dims smoothly across its full range. Its compact form factor fits a wide variety of commercial and residential fixture types.

Key Features & Benefits

• G4 bi-pin base for secure installation in compatible fixtures.
• AR48 bulb shape for broad fixture compatibility.
• Rated 20W, 12V - sized for standard low-voltage electrical systems.

Product Specifications

• Wattage: 20W
• Voltage: 12V
• Base Type: G4 2-PIN 4MM CENTER/CENTER
• Bulb Shape: AR48
• Beam Type: Spot
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Hospitality and restaurant ambiance fixtures
• Retail showcase and merchandise lighting
• Industrial and warehouse general illumination
• Residential chandelier and pendant fixtures
• Gallery and museum accent spotlights

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.