Smart Dimming Photocontrol 0-10V Constant Illumination Version Real-time Fault Alert
Product Summary
The dimming photocontrol JL-241 is designed to automatically control dimmable LED street lighting (0-10V) based on ambient natural lighting levels. This microprocessor-based product features an IR-filtered phototransistor and includes a heavy-duty surge arrester (MOV) for protection against inrush current and lightning impulses.
A preset 10-second time-delay prevents excessive operation from spotlights or lightning during nighttime. The relay offers reliable performance with over 10,000 cycles, and extended lifespan when used with the optional sandwich cover.
This product features twist lock terminals meeting ANSI C136.41 requirements and is UL listed under ANSI/UL773 for Plug-In, Locking Type Photocontrols for Area Lighting.

- ANSI C136.41 Twist-lock
- 0-10V Dimming
- Surge protection level: 6KV/3KA differential mode
- Optional Sandwich cover for Long Life
- Multi-Volts Application
- IP65 Ready / IP67 Optional
- IR-filtered Phototransistor
- Constant On/Off Dimming
| Model No. | JL-241C | JL-241E | JL-241F |
|---|---|---|---|
| Rated Voltage | 120-277VAC | 347VAC | 480VAC |
| Applicable Voltage Range | 105-305VAC | 105-382VAC | 105-528VAC |
| Rated Frequency | 50/60Hz | ||
| Dimming Output | 0-10V DC | ||
| Spectral Acquisition Range | 350-1100nm; Peak wavelength: 590nm | ||
| Rated Loading | 1000W Tungsten, 1800VA Ballast, 8A@120VAC/5A@208-277VAC e-Ballast | 1800W Tungsten, 1800VA Ballast, 5A@208-277VAC e-Ballast | 1800W Tungsten, 1800VA Ballast |
| Operate Levels | Turn-On <100Lx, Turn-Off >100Lx / per client request | ||
| Typical Time Delay | 5s | ||
| Ambient Temperature | -40°C to +70°C | ||
| Related Humidity | 96% | ||
| Fail Mode | Fail-On | ||
| Shell material | PC+PC | ||
| High protection | Sandwich cover (optional) | ||
| Surge protection | 640 Joule / 40kA Amp MYL1-40K511 | 640 Joule / 40kA Amp MYL1-40K911 | |
| IP level | IP65/IP67 | ||
| Factory settings | Illuminance/Delayed Customizable | Illuminance/Delayed/Reduction Duration Customizable | |
| Certifications | ![]() |
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