Legrand RH4FBL3PBK Radiant Dimmer 0-10V, 10A, Single-Pole/3-Way, Black
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About this item
About this item
- Neutral Requirement: No neutral connection is required at the control.
- Load Ratings: Controls compatible LED or fluorescent lighting at 10A on 120V AC or 5A on 277V AC, 60Hz.
- Dimming Method: Uses 0–10V DC control with a 30mA control rating for compatible drivers or ballasts.
- Wiring: Flying leads support single-pole or 3-way installations with separate 0–10V control wiring.
- Interface: Combines a paddle, brightness slider, off-state locator light, and memory of the previous light level.
Description
Description
Legrand radiant Black 0–10V LED/Fluorescent Dimmer
The RH4FBL3PBK uses 0–10V control for compatible LED drivers and fluorescent ballasts. Rated 10A at 120V AC or 5A at 277V AC, 60Hz, it supports single-pole/3-way wiring with no neutral required at the control. Finish: Black.
Key Features
- Load: 10A at 120V or 5A at 277V for compatible LED/fluorescent lighting.
- Control Signal: 0–10V DC, 30mA control rating.
- Neutral: No neutral connection required.
- Configuration: Single-pole or 3-way, with flying leads.
- Locator Light: Illuminates when off.
- Memory: Returns lighting to the previous level after a power outage.
- Ganging: No derating required for two-gang applications.
- Listing: cULus Listed.
Construction & Interface
High-impact thermoplastic construction with a low-profile paddle and separate brightness slider. Indoor wall-box installation. Wallplate sold separately.
Dimming & Load Performance
The slider adjusts compatible 0–10V lighting while the paddle provides on/off control. Select drivers or ballasts with a compatible control interface; this is not a conventional phase-cut lamp dimmer.
Wiring & Installation
Flying leads connect the device according to the manufacturer’s single-pole or 3-way diagram. Provide the separate 0–10V control connections. No neutral is required at the dimmer. Observe the voltage-specific load limit.
Specifications
Specifications
Dimensions
Style & Materials
Characteristics & Features
Electrical Information
Item Details
Warranty & Certifications
Shipping & Returns
Shipping: Enjoy free standard shipping on most orders over $99. Exclusions apply for oversized & commercial items. We ship to the contiguous 48 United States.
Returns: We offer a 60-day return window for most items. Products must be in their original, unused condition with all packaging. Exclusions: Special orders, clearance, and custom items.
Frequently Asked Questions
Does this dimmer require a neutral wire?
Does this dimmer require a neutral wire?
No, a neutral connection is not required at the control. Follow the manufacturer’s wiring diagram for the complete lighting circuit.
What loads and voltages does it support?
What loads and voltages does it support?
It supports compatible 0–10V LED or fluorescent lighting at 10A on 120V AC or 5A on 277V AC, 60Hz. The 10A rating does not apply at 277V.
Is this a phase-cut dimmer?
Is this a phase-cut dimmer?
No, this is a 0–10V control. Use it with compatible 0–10V drivers or ballasts, not as a substitute for a conventional phase-cut lamp dimmer.
Can it be installed in a 3-way circuit?
Can it be installed in a 3-way circuit?
Yes, single-pole and 3-way installations are supported. The device uses flying leads and requires the appropriate 0–10V control wiring.
Does a two-gang installation require derating?
Does a two-gang installation require derating?
No, Legrand states that derating is not required for two-gang applications. Do not extend that statement to other configurations without checking their installation requirements.

