Keystone KTEB-1C22-1-TP-WS Circline Electronic Ballast with Sockets - 22W, 120V
The Keystone KTEB-1C22-1-TP-WS is a reliable rapid start electronic ballast designed for single 22W FC8T9 circline fluorescent lamps (T9 diameter). It features integrated sockets for easy installation, a compact steel case, and dependable performance in residential, commercial, and retrofit applications such as ceiling fixtures, under-cabinet lighting, and circular fluorescent setups. This ballast delivers efficient operation with normal power factor, end-of-lamp-life protection, and FCC Part 18 Class B compliance for low EMI.
Key Specifications
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Lamps Supported: 1 x FC8T9 (22W) Circline (also compatible with select CFL equivalents like CFQ18W/G24q2 or CFS/21W/GR10q)
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Input Voltage: 120V AC (±10%), 60 Hz
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Input Power: ~17W (for FC8T9 22W lamp)
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Input Current: 0.28A
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Power Factor: ~0.52 (Normal)
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Starting Method: Rapid Start
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Minimum Starting Temperature: 0°F (-18°C)
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Ballast Factor: ~0.90
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Crest Factor: ~1.65
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Max Case Temperature: 167°F (75°C)
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Sound Rating: A
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Dimensions: 3.43" L x 1.81" W x 1.21" H (small case, S1 style); Mounting: 3.00"
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Leads: Includes sockets with ~9" socket leads; 18 AWG solid copper leads
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Certifications: UL 935 Listed, FCC Part 18 Class B, Transient Protection (ANSI/IEEE C62.41 Cat. A)
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Warranty: 3 Years (manufacturer standard)
Cross References / Equivalents
This Keystone model serves as a direct or compatible replacement for several common circline ballasts from popular best-selling brands:
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Philips Advance: RLQS-122-TP-W (or similar rapid start models)
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GE: Compatible with equivalent rapid start circline ballasts for FC8T9 lamps
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Sylvania (Osram Sylvania): Compatible with equivalent rapid start circline ballasts for FC8T9 lamps
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Hatch: HL332BPS/UV/HE/W or similar equivalents
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Robertson: RSO122C120WS
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Others: Radionic C122N, Damar equivalents, and various universal circline ballasts (always verify voltage, lamp type, and socket configuration for your specific fixture)
Ideal for contractors, electricians, and maintenance teams seeking a cost-effective, high-quality Keystone ballast with sockets included for straightforward drop-in replacement. Fast U.S. shipping from LeanLight.com!
