Description
ADVANCE Electronic Fluorescent Step Dimming Ballast, Universal 120V-277V Input, 1 or 2 Lamp F17T8, F25T8, F32T8, F32T8/ES, F40T8, Programmed Rapid Start Ballast, Step-Dimming 0/50/100%
Advance Optanium Step-Dim IOP-2S32-SC-SD Electronic Ballast Guide
Quick Answer: The Advance Optanium IOP-2S32-SC-SD (Signify / Philips Advance) is a high-efficiency 2-lamp electronic step-dimming fluorescent ballast designed to operate 1 or 2 F32T8 lamps (as well as 25W, 28W, and 30W energy-saving T8s) across universal 120–277V line voltage. Featuring Step-Dim (SD) bi-level switching technology (100% full light / 50% dimmed level) via standard dual wall switches or occupancy sensors, Programmed Start ignition, and a compact Small Can (SC) housing, it delivers simple Title 24 and ASHRAE compliant bi-level energy management without requiring dedicated 0–10V control wiring.
Advance Optanium IOP-2S32-SC-SD Overview & Key Features
The Advance Optanium Step-Dim ballast provides two-level bi-level lighting control for energy code compliance across commercial corridors, stairwells, classrooms, and offices:
- Step-Dim (SD) Bi-Level Switching: Toggles between 100% full power and a 50% energy-saving dimmed state using two standard line-voltage wall switch circuits or bi-level occupancy controls.
- No Low-Voltage Wiring Required: Eliminates the expense of running separate 0–10V or digital control wiring by switching line voltage directly across dual input hot leads (Line A and Line B).
- Programmed Start Technology: Gently preheats lamp cathodes prior to arc strike, preserving lamp life and preventing blackening during frequent switching cycles.
- IntelliVolt Universal Voltage: Operates seamlessly across AC input line voltages from 120V to 277V at 50/60 Hz.
- Small Can (SC) Compact Housing: Low-profile metal enclosure fits standard commercial troffers, wraparounds, and strip fixture wireways.
- High Energy Efficiency & Power Quality: High power factor (>0.98) with Total Harmonic Distortion under 10% in full output mode.
Advance Optanium IOP-2S32-SC-SD Technical Specifications
Core performance specifications and electrical ratings for the Advance Optanium IOP-2S32-SC-SD step-dimming ballast:
| Specification Parameter | Rating / Value | Details & Performance Standards |
|---|---|---|
| Input Voltage | 120 – 277 VAC | IntelliVolt auto-sensing supply, 50/60 Hz |
| Lamp Compatibility | F32T8 (32W), F28T8 (28W), F25T8 (25W), F30T8 | Standard and energy-saving linear T8 lamps |
| Number of Lamps | 1 or 2 Lamps | Operates 1 or 2 linear T8 fluorescent lamps |
| Dimming / Control Type | Step-Dim (SD) Bi-Level | Two-step switching: 100% High / 50% Low |
| Starting Method | Programmed Start | Controlled cathode preheat ignition |
| Ballast Factor (High / Low) | 0.88 (100%) / ~0.44 (50%) | Proportional lumen output reduction |
| Power Factor / THD | > 0.98 PF / < 10% THD | Commercial grade high power factor performance |
| Enclosure Type | Small Can (SC) | Compact low-profile metal housing |
| Compliance & Certifications | UL Listed, CSA Certified | RoHS compliant, Class P thermally protected |
Installation & Step-Dim Control Guidelines
- Power Disconnect: Always turn off main AC power at the breaker panel before servicing or installing the ballast.
- Dual Line Input Wiring: Connect the White lead to Neutral. Line 1 (Black) and Line 2 (Orange/Blue) connect to the two switched hot circuits. Energizing both lines provides 100% light output; de-energizing one line drops output to the 50% dimmed level.
- Programmed Start Lamp Connections: Follow the wiring diagram on the ballast label carefully. Programmed start circuitry requires dedicated pairs of leads to each socket.
- Enclosure Grounding: Mount the metal SC enclosure securely to the grounded metal luminaire body to ensure proper thermal dissipation and electrical ground.
Frequently Asked Questions
What does "IOP-2S32-SC-SD" stand for?
"IOP" designates the Optanium series, "2" indicates 2-lamp maximum capacity, "S" stands for Rapid/Programmed Start, "32" indicates 32W T8 lamps, "SC" is the Small Can housing, and "SD" designates Step-Dim bi-level switching technology.
How does step-dimming work without a 0–10V dimmer?
Step-Dim ballasts use two standard switched AC line feeds. Turning both switches ON gives 100% light; turning one switch OFF tells the internal circuitry to step down to 50% power without needing low-voltage control wires.
Can the IOP-2S32-SC-SD operate a single lamp?
Yes. The ballast is UL listed to operate either 1 or 2 linear F32T8 fluorescent lamps in bi-level step-dim mode.
Spec Sheets
Download the official manufacturer documentation and specifications:
Additional Information
Our Part No: |
BSF-ADV-IOP2S32SCSD |
Mfr Part #: |
IOP2S32SCSD |
Manufacturer Material Code: |
913701252401, 913701252402 |
Brand: |
Advance |
Fixture Type: |
Electronic Fluorescent Step-Dimming |
Input Voltage: |
120-277V (Universal) |
Lamp: |
(1/2) F17T8, (1/2) F25T8, (1/2) F32T8, (1/2) F32T8/ES - 25W, 28W or 32W, (1) F40T8 |
Dimensions: |
9.50" L x 1.3" W x 1.18" H |
Product Data Sheet: |
See PDF Link Provided |
Start Method: |
Programmed Start |
Features: |
Step Dimming 0%/50%/100% |
Alternative Keywords: |
No |
Number Of Lamps: |
1, 2 |
Operates: |
F17T8, F25T8, F32T8, F32T8ES, F40T8 |
Warranty: |
Manufacturer's |
Case Size: |
20 |
