PHOTOBIO VP 32W 100/277V VE 2 Pack w/10′ 120V Cord

The PHOTOBIO VP 32W 100/277V VE 2-Pack with 10’ 120V Cord is a modular, high-efficiency LED lighting system built for vegetative growth, plant propagation, and vertical farming operations. Each fixture’s slim 47.3-inch vertical profile is purpose-built to maximize usable shelf or rack space, and the modular daisy-chain design allows up to 23 units to run from a single power input. This two-pack ships with a 10-foot 120V power cord included.

PHOTOBIO VP 32W Specifications

All performance figures below are for a single fixture. This product is sold as a 2-pack (two fixtures) with a 10-foot 120V input power cord.

Specification	Value
Brand	PHOTOBIO
Model / SKU	PTB1130VEP1
Pack Size	2 fixtures (pair)
Wattage (per fixture)	32W
Voltage Range	100–277V
Included Cord	10’ 120V power cord
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)
Light Source	Lumiled diodes
Dimensions (per fixture)	47.3" L × 1.3" W × 1.3" H
Weight (per fixture)	1.5 lbs
Cooling Method	Passive
IP Rating	IP65
Daisy Chain Capacity	10–23 fixtures per power input (voltage-dependent)
Certifications	CE, ETL, FCC, DLC
Warranty	5 Years
Included Hardware	4 mounting clips, screws, and zip-ties (per fixture)

Why Choose the PHOTOBIO VP 32W VE

The PHOTOBIO VP fills a specific role in controlled-environment agriculture: low-profile overhead or vertical supplemental lighting for vegetative and propagation stages where space efficiency and spectrum precision matter more than raw canopy PPFD. Here is what differentiates it from a general-purpose LED bar:

• VE spectrum tuned for early-stage growth. Lumiled diodes deliver a spectrum specifically formulated for vegetative development and propagation, rather than the broad-spectrum blends used for flowering. Growers running multi-tier racks or propagation domes benefit from spectrum optimization at each stage rather than using a single compromise spectrum throughout the crop cycle.
• Slim form factor for high-density environments. At 47.3 inches long and only 1.3 inches square, the VP bar fits between canopy tiers in vertical racks without blocking airflow or crowding adjacent plants. Traditional panel-style fixtures require significant vertical clearance; the VP’s tubular profile can sit as close as a few inches above the canopy.
• Modular daisy-chaining reduces wiring complexity. A single 120V or 277V input can power 10–23 VP fixtures in series depending on voltage. For a propagation room with dozens of shelves, this significantly reduces the number of circuit connections and cord runs required compared to fixtures that each need an independent power drop.
• IP65 rated for humid propagation environments. The push-lock liquid-tight connectors and IP65 housing protect against the condensation and misting that propagation environments routinely produce. The quick-attach IP65 connectors also simplify fixture swaps without requiring an electrician.
• Passive cooling eliminates fan noise and maintenance. No moving parts means no fan bearings to fail, no noise in sensitive propagation areas, and no airflow disruption to humidity domes or seedling trays. The all-aluminum housing dissipates heat conductively.
• DLC certification supports utility rebate programs. The DLC listing means many commercial growers can offset purchase cost through state or utility LED rebate programs, which typically require DLC qualification for horticultural lighting fixtures.

Best Uses for the PHOTOBIO VP 32W VE

The VP 32W VE is purpose-built for growth stages and facility configurations where the VE spectrum and slim profile provide the most value. It is not a flowering fixture, and growers evaluating it for bloom rooms should look at PHOTOBIO’s flowering-spectrum models instead.

• Multi-tier vertical farming racks. The fixture’s slim 1.3-inch profile mounts between rack tiers without consuming the vertical clearance that panel or quantum board fixtures require. A pair of VP bars can illuminate a standard 4-foot propagation tray from 6–12 inches above the canopy, supporting high plant density across multiple rack levels in a single room footprint.
• Propagation and clone rooms. The VE spectrum supports root development and early vegetative growth in clones and seedlings. IP65 protection handles the high-humidity environment of a propagation dome or misting bench without risking fixture damage from moisture ingress.
• Vegetative mother plant areas. Mother plant rooms that run continuously at low power draw benefit from the VP’s efficiency at vegetative spectrum. The 2.3 µmol/J efficacy at 277V keeps heat load and electricity cost manageable for continuously lit mother rooms.
• Supplemental inter-canopy lighting. In taller single-tier grows where lower leaves lose access to overhead PPFD, VP bars mounted vertically along canopy rows deliver targeted light to the middle and lower plant zones. The liquid-tight connectors are rated for high-humidity environments and the passive design introduces no additional heat pockets between plants.
• Commercial propagation facilities with many circuits to manage. The daisy-chain architecture (10–23 fixtures per input) is particularly useful in large propagation facilities where reducing circuit counts and cord runs lowers both installation cost and ongoing electrical management overhead. If you are already running a T5 fluorescent propagation setup and considering an LED upgrade, the VP’s modular wiring is a significant operational improvement.

PHOTOBIO VP 32W vs Similar LED Bar Fixtures

The PHOTOBIO VP 32W VE sits in the low-wattage modular LED bar category alongside T5 fluorescent replacements and single-ended LED tubes. The key comparison points for growers evaluating alternatives:

VP 32W VE vs T5 fluorescent bars: T5 fixtures in the 32W range typically deliver 40–55 µmol/s of PPF depending on tube age and reflector condition, compared to the VP’s 67.2 µmol/s. T5 output degrades with tube hours; the VP uses solid-state Lumiled diodes that maintain output over the fixture life. T5 systems also require separate ballasts and periodic tube replacement; the VP is a self-contained unit with no consumable components. For growers already running a propagation area with 4-tube T5 fixtures, switching to VP bars typically increases PPF per circuit while reducing long-term maintenance.

VP 32W VE vs high-wattage LED fixtures: Fixtures like the Gavita Pro 1700e LED are designed for high-PPFD flowering applications where a single fixture covers a large canopy footprint. The VP is not a replacement for high-intensity fixtures in bloom rooms; it is optimized for the low-PPFD, close-proximity needs of propagation and vegetative tiers. Running a 1700e-class fixture over a propagation rack at close range would produce excessive PPFD and heat for seedlings and clones. The VP’s 32W draw and VE spectrum are appropriate for the growth stage; a flowering-spec fixture at the same stage is the wrong tool.

VP 32W VE vs VP without cord: PHOTOBIO sells VP fixtures both with and without power cords. This 2-pack includes a 10-foot 120V cord, which is convenient for facilities wired to standard 120V outlets. Growers on 240V or 277V circuits who plan to daisy-chain long runs may prefer to purchase the cord separately to match their infrastructure. The fixture’s 100–277V input accepts either voltage regardless of which cord is attached.

Compatibility

The PHOTOBIO VP 32W accepts 100–277V AC input, making it compatible with standard North American 120V circuits, 208V three-phase systems, and 240/277V commercial electrical infrastructure. The included 10-foot cord is terminated for 120V (NEMA 5-15P or equivalent); growers on higher-voltage circuits will need an appropriate cord for their outlet type.

The liquid-tight push-lock connectors at each end of the fixture are compatible with the broader PHOTOBIO cable ecosystem, allowing VP fixtures to be daisy-chained using PHOTOBIO interconnect cables. The number of fixtures per chain depends on voltage: at 277V the daisy chain capacity is higher (up to 23 fixtures) than at 120V (minimum 10 fixtures). Consult the PHOTOBIO VP datasheet for the exact chain length per voltage tier before planning a large installation.

The IP65 rating means the fixture is suitable for humid propagation environments, greenhouse installations, and locations exposed to incidental water spray from irrigation or misting systems. It is not rated for submersion. The passive aluminum housing does not require any airflow clearance, so the fixture can be mounted flush to rack uprights or inside tight shelf configurations without concern for heat buildup from blocked vents.

If you are building out a mixed-stage facility, note that the VP’s VE spectrum is calibrated for vegetative and propagation stages. It is not interchangeable with PHOTOBIO’s flowering-spectrum fixtures. Growers needing both spectrums in the same facility should plan separate circuits and fixture types per zone.

Usage Guidelines

The following guidelines reflect the VP 32W VE’s design intent as a vegetative and propagation fixture. Coverage area and mounting height depend on target PPFD and crop type.

Mounting height and coverage: For seedlings and young clones requiring 100–200 µmol/m²/s, a pair of VP bars mounted 6–12 inches above a standard 1020 propagation tray provides adequate PPFD across the tray surface. For established vegetative plants targeting 300–500 µmol/m²/s, mount the bars 4–8 inches above the canopy and use multiple bars per shelf to achieve the target intensity. PHOTOBIO publishes photometric data for the VP fixture series that provides PPFD maps at various mounting heights; consult those charts for precise planning.

Photoperiod for vegetative growth: Most vegetative crops respond well to 18 hours of light per day. Propagation (seedlings and clones) typically runs 18–24 hours depending on species requirements. The VP fixtures have no built-in timer or dimmer; growers should connect them to a compatible timer controller or smart outlet for photoperiod management.

Daisy chain planning: At 120V input, start conservatively when planning chain length. Check the PHOTOBIO VP spec sheet for the exact maximum fixture count at your operating voltage before building out a full rack. Overloading a daisy chain can trip breakers and cause uneven output across the chain.

Power cord management: The included 10-foot 120V cord covers most single-rack installations. For longer runs or multi-rack configurations, purchase additional PHOTOBIO power cords appropriate for your voltage. Ensure all cord connections are fully seated in the liquid-tight push-lock connectors before powering on.

How to Install the PHOTOBIO VP 32W

1. Plan fixture placement before mounting. Determine the number of fixtures per shelf, target mounting height above the canopy, and daisy chain layout. Confirm circuit capacity at your operating voltage against the number of fixtures you plan to chain.
2. Mount the fixtures using the included hardware. Each fixture ships with 4 mounting clips, screws, and zip-ties. The slim 1.3-inch profile fits between rack tiers and can be mounted horizontally above trays or vertically along canopy rows for inter-canopy supplemental lighting.
3. Connect the daisy-chain cables. Attach PHOTOBIO interconnect cables between fixture end connectors using the liquid-tight push-lock system. Ensure each connector is fully seated and locked before proceeding to the next fixture in the chain.
4. Attach the 10’ 120V power cord to the first fixture in the chain. The included cord plugs into the input end of the lead fixture. Route the cord to your outlet or power strip; avoid running cords across walkways or areas where they could be stepped on or caught by equipment.
5. Connect to a timer or controller for photoperiod management. Plug the cord into a timer set to your target photoperiod. The fixtures have no internal timer or dimmer.
6. Power on and verify operation. All fixtures in the chain should illuminate simultaneously. If any fixture fails to light, check that its connectors are fully seated. Verify indicator status per PHOTOBIO’s documentation for your firmware version.
7. Adjust mounting height after first light cycle. Observe plant response after 24–48 hours and adjust fixture height if canopy edges show light stress or if center PPFD appears insufficient for your target growth rate.

Sources & Further Reading