About This

• FEATURES: The Robertson RSW234T12120 electronic ballast is designed to optimize fluorescent lighting systems, supporting both 1 lamp or 2 lamp T8 and T12 configurations. This lamp ballast features rapid start functionality, flicker-free performance, quiet operation, and enhanced energy efficiency—making this ballast a smart choice for any lighting replacement ballast unit. Compact form factor ideal for space-constrained retrofits.
• Certified to the Highest Safety Standards - UL Listed (Class P, Type HL, Type CC, Type 1 Outdoor), CSA Certified (cUL). RoHS Compliant, Meets FCC Part 18 (Class B) for EMI and RFI consumer limits, Conforms to ANSI standards C82.11 and C62.41. Features thermal protection, surge resistance, and end-of-lamp-life safety shutoff.
• Robust Operating Performance: Robertson /developed/patented End-of-lamp-life protection prevents lamp damage, Internal surge protection safeguards against voltage spikes, Inherent thermal protection ensures safe operation under varying temperatures.
• EQUIVALENT TO: REL2S40SC, R2S40-1-TP, R2S40TP, B234SR120M, B240R120HP, GE240RS120, GE240RS120DIY, QTP2X40T12120RSNSC, KTEB-240-1-TP, WHCG9-127-T12-RS and other ballasts that drive 2 ea F40T12 lamps
• With over 75 years of ballast design and manufacturing experience, Robertson is a trusted U.S.-based brand offering technical support and top-quality products. We sell only what we design and manufacture ourselves—no outsourced rebrands, no compromises.

Overview

• Color : Aluminum
• Shape : Tubular(T)
• Material : Metal
• Finish Type : Stamped
• Light Source Type : Fluorescent