The PHOTOBIO VP LED 32W 100/277V VE is a modular horticultural LED strip engineered for vegetative growth, propagation, and vertical farming environments. This listing includes two fixtures with 24" leads cord. Each fixture outputs 67.2 µmol/s PPF at a 2.3 µmol/J efficacy rating, runs on any voltage from 100 to 277V, and carries an IP65 ingress-protection rating. The slim 47.3" x 1.3" x 1.3" profile is purpose-built for multi-tier racks and propagation systems where vertical space is premium.
PHOTOBIO VP LED 32W VE Specifications
Performance specifications below are per single fixture. This pack includes two fixtures.
| Specification | Value |
|---|---|
| Brand | PHOTOBIO |
| Model / SKU | VP LED 32W VE — PTB1130VEP7 |
| Pack Contents | 2 fixtures + 24" leads cord |
| Wattage (per fixture) | 32W |
| PPF (per fixture) | 67.2 µmol/s |
| Photon Flux @ 277V (per fixture) | 73.6 µmol/s |
| Efficacy @ 277V | 2.3 µmol/J |
| Spectrum | VE (Vegetative / Propagation) |
| Diode Type | Lumiled |
| Voltage Range | 100–277V |
| Fixture Dimensions | 47.3" L × 1.3" W × 1.3" H |
| Fixture Weight | 1.5 lbs (per fixture) |
| IP Rating | IP65 |
| Daisy Chain Capacity | 10–23 fixtures per power source (voltage-dependent) |
| Cooling | Passive (no fan) |
| Certifications | CE, ETL, FCC, DLC |
| Warranty | 5 years |
Why Choose the PHOTOBIO VP LED 32W VE
The PHOTOBIO VP was built around a specific problem: standard bar-style LED fixtures are too wide and too heavy for dense, multi-tier vertical racks. At 1.3" square in cross-section and 1.5 lbs per unit, the VP mounts between tiers without meaningful vertical clearance loss. Here are the characteristics that distinguish it from general-purpose LED fixtures:
- Purpose-built VE spectrum via Lumiled diodes. The VE spectrum is tuned for vegetative growth and propagation — the phases where spectral quality most directly affects root development, canopy uniformity, and time-to-transplant. This is not a full-cycle spectrum, which means it is optimized rather than generalized.
- 2.3 µmol/J efficacy at 277V. For a 32W fixture, 2.3 µmol/J is a competitive efficacy figure. Running at 277V (available in most commercial facilities) maximizes both photon output (73.6 µmol/s) and efficiency over the 120V baseline.
- Daisy-chain architecture for wiring simplicity. Liquid-tight push-lock connectors allow 10 to 23 fixtures to share a single power input depending on the operating voltage. Fewer power cords and fewer circuit runs translate directly to installation time and electrical cost in large-scale vertical farms.
- IP65 protection throughout. Both the fixture body and the power connection are IP65 rated, meaning the unit tolerates high-humidity grow rooms, misting propagation environments, and routine cleaning without special precautions.
- Passive cooling — no moving parts. The aluminum extrusion body dissipates heat without a fan, eliminating a common failure point and reducing ambient noise. This matters in propagation environments where air disturbance at canopy level affects young cuttings and seedlings.
- Includes hardware. Each pair ships with 4 mounting clips, screws, and zip-ties. Installation does not require sourcing separate hardware for a basic overhead or rack-mount configuration.
Best Uses for the PHOTOBIO VP LED 32W VE
The VP LED 32W VE is a narrow-use, high-performance fixture. It fits best in environments where the VE spectrum and the slim form factor both provide measurable advantage.
- Vegetative growth rooms. Multi-tier vertical racks running 24-hour or 18/6 photoperiods for mother plants, vegetative stock, or clone-to-veg transitions. The slim profile allows close tier spacing without reducing fixture count per tier.
- Propagation chambers and clone rooms. The VE spectrum supports root initiation in cuttings and germination in seedlings. Passive cooling prevents hot spots at close mounting distances, which is critical when fixtures are positioned within 6–18 inches of a propagation tray. If you are running a full propagation system, the Super Sprouter Premium Heated Propagation Kit uses T5 lighting and can serve as a point of comparison for fixture selection.
- Commercial and research vertical farms. Multi-tier indoor farms running leafy greens, herbs, and microgreens where uniform light distribution across a narrow shelf footprint is more important than raw PPFD at canopy. The daisy-chain wiring architecture reduces per-tier electrical installation cost at scale.
- Supplemental inter-canopy lighting. The 47.3" strip length and 1.3" width make the VP viable as an inter-canopy supplemental source in taller photoperiod crops when mounted vertically along side branches.
PHOTOBIO VP LED 32W vs Similar LED Strip Fixtures
The most direct category comparison for the PHOTOBIO VP is a conventional T5 fluorescent propagation fixture, such as the T5 4-foot 4-tube fixture. Both products target propagation and vegetative stages and both use a strip-form-factor profile suited to overhead or rack mounting. The differences are meaningful at scale:
Efficacy: The PHOTOBIO VP reaches 2.3 µmol/J at 277V. Standard T5 fluorescent fixtures typically deliver 1.0–1.5 µmol/J. For a multi-tier facility running dozens of fixtures continuously, the efficacy gap translates directly to electricity costs over a grow season.
Spectrum control: The VP uses a defined VE spectrum from Lumiled diodes, selected for vegetative and propagation growth response. T5 fluorescent outputs are governed by phosphor coating and tube age; spectrum shifts as tubes degrade, which requires periodic tube replacement to maintain consistent output.
Daisy chaining: The VP’s push-lock connector system allows up to 23 fixtures on one power feed at 277V. A T5 fixture typically requires one power cord per fixture or ballast, which adds wiring complexity in large installations.
Weight and profile: At 1.5 lbs and 1.3" square, the VP is lighter and narrower than most 4-tube T5 fixtures, which run 2–4 lbs and 4–6 inches wide. In applications where rack tier spacing is constrained, the VP’s profile reclaims vertical space.
Trade-offs: T5 fixtures are generally lower upfront cost and have simpler replacement part availability. For facilities already built around T5 infrastructure with existing reflectors and wire management, a full transition to VP requires evaluating daisy-chain power cord compatibility and electrical circuit capacity.
Compatibility & Operating Range
The PHOTOBIO VP LED 32W VE is compatible with the following environments and infrastructure:
- Voltage: 100–277V universal input. At 120V the fixture operates at a slightly lower photon flux than the 73.6 µmol/s figure published at 277V. Commercial facilities running 277V or 208V will see the highest per-fixture output. Residential 120V circuits are compatible but will not reach peak rated output.
- PHOTOBIO cable ecosystem: The VP uses liquid-tight push-lock connectors designed to work with the existing PHOTOBIO cable and power cord environment. Power cords for this fixture are sold separately. For 120V applications, a compatible 120V power cord (such as those in the Faven Chroma 120V power cord category) may be evaluated for physical compatibility, though PHOTOBIO-specified cords are recommended for warranty compliance.
- Daisy-chain wiring: Link 10 fixtures per power source at 120V, up to 23 fixtures per power source at 277V. These limits reflect the maximum continuous load the connector and power cord system is rated to handle. Do not exceed the published daisy-chain limit for the operating voltage.
- Environment: IP65 rated for dust and liquid ingress. Suitable for high-humidity propagation rooms, fog rooms, and environments with routine surface cleaning using water. Not rated for submersion.
- Mounting hardware included: 4 mounting clips, screws, and zip-ties ship with each 2-pack for overhead or rack-mounted installations. Third-party rail and rack systems are compatible as long as mounting clip dimensions are accommodated.
Usage Guidelines
Because the PHOTOBIO VP is a propagation and vegetative fixture, usage decisions center on mounting height, photoperiod, and fixture spacing — not on a single PPFD target that applies universally. The following guidelines are derived from the fixture’s published characteristics.
Mounting height: The VP’s 47.3" strip length distributes photons over a long, narrow footprint. For propagation trays (single-tier, direct overhead), 6–18" above the canopy is a common starting range. At closer distances, PPFD increases but canopy uniformity across the tray width may decrease if fixtures are not spaced accordingly. Begin at 12" and adjust based on seedling or cutting response over the first 5–7 days.
Photoperiod for vegetative growth: Most vegetative and propagation applications run 18 hours on / 6 hours off or 20 hours on / 4 hours off. The VP does not include a built-in timer or dimmer; use an external lighting controller or timer. If you are scaling to a full production environment, a dedicated lighting controller compatible with 100–277V circuits will simplify management across a daisy-chained run of fixtures.
Fixture spacing in multi-tier racks: When mounting multiple VP strips per tier (overhead, parallel), space fixtures to minimize gaps in coverage across the tray width. Because the fixture is only 1.3" wide, a single strip overhead a 24"-wide propagation tray will produce a center-heavy light distribution. Two fixtures per 24" tray, spaced 8–10" apart, will produce a more uniform distribution across the canopy plane.
Voltage selection: If your facility supports 277V, operate the VP at 277V for maximum efficacy (2.3 µmol/J, 73.6 µmol/s per fixture). At 120V, output will be somewhat lower. This is relevant when planning how many fixtures are required to achieve a target PPFD over a given area.
How to Install the PHOTOBIO VP LED 32W VE 2-Pack
Installation requires a compatible PHOTOBIO power cord (sold separately) and the included mounting hardware (4 clips, screws, zip-ties).
- Verify electrical supply. Confirm your circuit voltage (120V or 277V) and that your circuit capacity supports the total wattage of all fixtures to be daisy-chained. At 120V: maximum 10 fixtures per power source. At 277V: maximum 23 fixtures per power source. Both fixtures in this 2-pack count toward that total.
- Position fixtures at mounting location. Hold each fixture at the target mounting height above the canopy or tray to confirm clearance and coverage before fastening. The 47.3" length fits standard 4-foot shelf bays; for shorter shelves, confirm the strip does not overhang mounting hardware in a way that stresses the connector.
- Attach mounting clips. Slide the included mounting clips onto the fixture body at the pre-defined clip positions. Use the provided screws to fasten the clips to the mounting surface (rack rail, shelf frame, or overhead structure). For a two-fixture run, position each fixture so that cables can reach connector-to-connector without straining.
- Daisy-chain the fixtures. Connect the second fixture to the first via the liquid-tight push-lock connectors. Ensure each connector is fully seated; the IP65 seal depends on a complete connection. Use zip-ties (included) to secure the cable run along the rack frame and prevent accidental disconnection from cable weight or movement.
- Connect the power cord. Attach the PHOTOBIO power cord (sold separately, rated for your operating voltage) to the input connector of the first fixture in the daisy chain. Route the power cord to the circuit outlet or hardwired connection point.
- Power on and verify. Apply power and confirm both fixtures illuminate. Check that no connectors are running warm to the touch after 10 minutes of operation, which would indicate a partially seated connection. Adjust mounting height based on canopy response during the first photoperiod cycle.








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