2125 850W 100-277V S4 Spectrum
Extraordinary performance. Extreme efficiency. Exacting design.
The PHOTOBIO CX 2125 100-277V S4 horticultural grow light is a compact high-performance LED fixture with the highest photon output fixture within the PHOTOBIO product lineup. This high-efficiency compact top light is designed for horticultural professionals looking to increase performance and yields while minimizing power consumption. The CX is truly a direct 1:1 replacement for 1000W DE fixtures offering higher photon flux, more light to your plant canopy, and better overall distribution vs 1000W DE HID systems. The 2.6″ Slim vertical design is optimal for maximizing vertical real estate, while passive cooling fins keep the operating temperatures low. CX features iLOC Integrated Light Output Control Push-button interface allowing the grower to adjust the photon output based on crop maturity. Our PHOTOBIO CX 2125 horticultural grow light with high-efficiency S4 spectrum provide more red, far-red, and blue wavelengths to deliver vigorous growth and optimize flower development.
Features:
- 2125 umol/s Photon Flux @ 277V
- 2.5 umol/J efficacy
- 850W high-powered LED solution with slim vertical profile (24.1L x 14.2W x 2.6H inches) and 27.5 lbs
- Superior canopy penetration by utilizing secondary optics
- Osram/Seoul diodes produce the S4 Spectrum
- 1:1 direct 1000W HPS replacement utilizing similar footprint
- iLOC Integrated Light Output Control with digital screen for monitoring output levels
- Compatible with PX Controllers for dimming – 500 pieces per zone
- Passive heat dissipating cooling fins
- Includes 10’ PHOTO LOC 0-10V control cable
- C clamps included
- Power cords sold separately, or via pick kit
- Voltage: 120-277V
- 5 year warranty
- IP66 rated

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PHOTOBIO CX
ITEM CODE | SPECTRUM | DIMMABLE | CORD/PLUG | WATTAGE | VOLTAGE | EFFICACY | OPTICS | LIFETIME L90 | IP | WEIGHT |
---|---|---|---|---|---|---|---|---|---|---|
PTB8850LS41 | S4 | 0-10V | 10′ W/ 5-15P | 850W | 100-277V | 2.5 UMOL/J | 105*150; 90*105 | >50,000 HR | IP65 | 27.55 LBS |
PTB8850LS42 | S4 | 0-10V | 10′ W/ 6-15P | 850W | 100-277V | 2.5 UMOL/J | 105*150; 90*105 | >50,000 HR | IP65 | 27.55 LBS |
PTB8850LS43 | S4 | 0-10V | 10′ W/ L7-15P | 850W | 100-277V | 2.5 UMOL/J | 105*150; 90*105 | >50,000 HR | IP65 | 27.55 LBS |
PTB8850LS44 | S4 | 0-10V | 10′ W/ L7-20P | 850W | 100-277V | 2.5 UMOL/J | 105*150; 90*105 | >50,000 HR | IP65 | 27.55 LBS |
PTB8850LS47 | S4 | 0-10V | 10’W/ 3 WIRE | 850W | 100-277V | 2.5 UMOL/J | 105*150; 90*105 | >50,000 HR | IP65 | 27.55 LBS |
PTB8850LS4X | S4 | 0-10V | NO CORD | 850W | 100-277V | 2.5 UMOL/J | 105*150; 90*105 | >50,000 HR | IP65 | 27.55 LBS |
Accessories
POWER HARNESS OPTIONS
ITEM CODE | IMAGE | TYPE | DESCRIPTION |
---|---|---|---|
CHE1063000W | ![]() | ![]() | 10′ F 16AWG WT w/ leads, Harness |
CHE1063010W | ![]() | ![]() | 10′ F 16AWG WT 110–120V Plug, 5-15P, Harness |
CHE1063015W | ![]() | ![]() | 10′ F 16AWG WT 208–240V Plug, 6-15P, Harness |
CHE1083020W | ![]() | ![]() | 10′ F 18AWG WT 277V, L7-15P, Harness |
CONTROL
The PHOTOBIO CX can be controlled through a 0-10V analog signal from your master greenhouse controller, through use of our inexpensive APDX2 Controller or independently through the onboard dimming control.
ITEM CODE | IMAGE | DESCRIPTION |
---|---|---|
APDPX2 | ![]() | Autopilot PX2 Advanced Lighting Controller |