Product Overview
Sylvania 24596 F34CW/SS/ECO – 34W T12 SUPERSAVER Rapid Start Fluorescent Lamp | 4200K | 2,650 Lumens | G13 Medium Bi-Pin
2,650 lumens at 4200K Cool White with CRI 60 – a 34W T12 SUPERSAVER Rapid Start fluorescent lamp designed for rapid start fixtures.
| Wattage / Type 34W / T12 T12 Rapid Start | Color Temp 4200K Cool White | Initial Lumens 2,650 lm | Rated Life 20,000 hr Rated Average | Base Type G13 Medium Bi-Pin Confirm Socket |
Quick Specs
- Brand: Sylvania
- Product Code / Model: 24596 / F34CW/SS/ECO
- Formerly: F40CW/SS/ECO
- Lamp Type: Fluorescent – T12 SUPERSAVER Rapid Start
- Starting Method: Rapid Start
- Wattage: 34W
- Base Type: G13 Medium Bi-Pin
- Color Temperature: 4200K Cool White
- CRI: 60
- Initial Lumens: 2,650 lm (approx., after 100 hours of operation)
- Mean Lumens: 2,280 lm (measured at 40% of rated life)
- Rated Average Life: 20,000 hr at 3 hours per start
- Rated Average Life (12 hr/start): 28,800 hr
- Nominal Length: 48 in
- Maximum Overall Length (MOL): 47.78 in
- Bulb Diameter: 1.5 in (T12)
Product Overview
The Sylvania 24596 F34CW/SS/ECO is a 34W T12 SUPERSAVER Rapid Start fluorescent lamp delivering 2,650 initial lumens at 4200K Cool White. It is built for rapid start fixtures where lamp length, base type, ballast type, wattage, and color temperature must match the existing system.
This lamp is best suited for maintenance replacement in commercial, industrial, and institutional spaces. Before ordering, confirm the G13 Medium Bi-Pin base, 34W wattage, and 4200K color temperature against your existing lamp or fixture label.
Why Choose This Product
- 2,650 initial lumens: Catalog rating after 100 hours of operation, with 2,280 mean lumens at 40% of rated life.
- 4200K Cool White: Helps match the existing light color across a facility.
- G13 Medium Bi-Pin base: Designed for the correct T12 socket style; confirm before replacement.
- 20,000 hr rated average life: Rated at 3 hours per start; longer burn cycles increase lamp life.
- Sylvania quality: Suitable for professional lighting applications and facility maintenance.
Technical Specifications
| Brand | Sylvania |
| Product Code / Model | 24596 / F34CW/SS/ECO |
| Formerly | F40CW/SS/ECO |
| Lamp Type | Fluorescent – T12 SUPERSAVER Rapid Start |
| Starting Method | Rapid Start |
| Wattage | 34W |
| Base | G13 Medium Bi-Pin |
| Color Temperature | 4200K Cool White |
| CRI | 60 |
| Initial Lumens | 2,650 lm |
| Mean Lumens | 2,280 lm |
| Rated Average Life (3 hr/start) | 20,000 hr |
| Rated Average Life (12 hr/start) | 28,800 hr |
Dimensions
| Nominal Length | 48 in |
| Maximum Overall Length (MOL) | 47.78 in |
| Bulb Diameter | 1.5 in (T12) |
Applications
- Maintenance and retrofit replacement in compatible rapid start fixtures
- Commercial, industrial, and institutional facilities and utility spaces
- Replacement for existing F34CW/SS/ECO lamps – confirm the lamp code on your current lamp
Compatibility & Replacement
Fixture type: Designed for rapid start fixtures using a G13 Medium Bi-Pin base.
Ballast: Requires a rapid start ballast rated for this lamp. Always confirm the existing ballast label before ordering.
Starting temperature: Minimum starting temperature is a function of the ballast; consult the ballast manufacturer.
Sylvania catalog notes for this lamp:
- Recommended for use on one- or two-lamp 40-watt rapid start, high power factor, lead, indoor ballasts that meet ANSI standards. Not intended for use at lamp ambient temperatures below 60°F or in drafty locations, on low power factor ballasts, reduced current/reduced light output ballasts, dimming ballasts, or inverter-operated emergency lighting unless that equipment is specifically listed for 34-watt lamps.
Before ordering, confirm:
- Existing lamp model matches F34CW/SS/ECO (formerly F40CW/SS/ECO) or an approved equivalent.
- Fixture socket matches G13 Medium Bi-Pin.
- Wattage is 34W and the ballast is compatible.
- Color temperature is 4200K Cool White.
- Physical size is 48 in nominal length (47.78 in MOL) x 1.5 in diameter.
Ballast cross-references carried over from the previous listing (not found in the Sylvania catalog – verify against your fixture label before ordering):
- Advance RELB-2S40-SC
- GE240RS-MV-N
- KTEB-240-UV-TP-PIC
- Universal B234SR277M-A
- Universal B234SR120M-A
Ordering Information
- Brand: Sylvania
- Product Code / Model: 24596 / F34CW/SS/ECO
- Formerly: F40CW/SS/ECO
- Description: 34W T12 SUPERSAVER Rapid Start fluorescent lamp, 4200K Cool White, 2,650 lumens, G13 Medium Bi-Pin base
- Specifications: Taken from the Sylvania linear fluorescent lamp catalog; specifications are subject to change without notice.
Safety & Handling Notes
- Disconnect power before installing or servicing.
- Use only in approved fixtures designed for compatible F34CW/SS/ECO lamps.
- Fluorescent lamps contain mercury and should be recycled or disposed of according to local regulations.
- ECOLOGIC (ECO) lamp: designed to pass the federal TCLP criteria for classification as non-hazardous waste in most states. Disposal regulations vary – check local and state regulations.
- Follow the fixture manufacturer's instructions and local electrical codes for installation.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
