Direct-Wire LED Recessed Downlight
4JBK SQ
IC Remodel![]()

4JBK SQ Direct Wire LED Recessed Downlight
| Catalog Number |
| Notes |
| Type |
FEATURES & SPECIFICATIONS
INTENDED USE — The OneUp™ recessed direct-wire LED downlight includes integrated junction box, trim, pre-installed non-metallic bushings and 3-port push wire quick connectors in one package. The OneUp is the most economical means to create a well lit environment with exceptional energy efficiency and near zero maintenance.
CONSTRUCTION — Aluminum die cast, square baffle trim. Integrated galvanized steel junction box with captive door for easy access. Suitable for daisy chaining (pulling wires). Available in 3000K and 4000K color temperature LEDs.
OPTICS — Square baffle recesses optical system into the ceiling to prevent glare and provide a traditional look. Diffused lens provides even light distribution for general illumination, equivalent to 65W incandescent flood lamp. Wide flood beam angle at >90°. CRI >90. Maintains at least 70% light output for 50,000 hours.
INSTALLATION — Tool-less installation. Secure trim retention with two side-mounted spring clips for easy installation in plaster, sheet rock, or plywood ceilings. The integrated junction box – with pre-installed non-metallic bushing – allows non-metallic cable to be fed through without the hassle of knockouts. The captive junction box door provides easy access to pre-installed 3-port push wire quick connectors for straight-forward wiring. Rated for Type IC installations. Maximum of 4 No. 12AWG through branch circuit conductor suitable for 90°C permitted in box. Ground wire provided.
ELECTRICAL SYSTEM — LED module with high-efficiency on board driver. Dimming down to 10%. For compatible dimmers, refer to: Compatible dimmers chart.
Actual wattage may differ by +/-5% when operating at 120V +/-10%.
LISTINGS — ETL certified to US and Canadian safety standards. Can be used to comply with California Title 24 Part6 High Efficacy LED Light Source Requirements. WSEC ASTEM E283 for Air-Tight rated with gasket or caulking between fixture trim and ceiling. ‡ ENERGY STAR® certified. Wet location listed*.
Indoor damp location only for items in Brushed Nickel finish.
WARRANTY — 5-year limited warranty. This is the only warranty provided and no other statements in this specification sheet create any warranty of any kind. All other express and implied warranties are disclaimed. Complete warranty terms located at: www.acuitybrands.com/support/warranty/terms-andconditions
Note: Actual performance may differ as a result of end-user environment and application. All values are design or typical values, measured under laboratory conditions at
25 °C. Specifications subject to changewithout notice.
Specifications
| Aperture: | 2-13/16″ (72.0) |
| Overlap Trim: | 5″ (125.0) |
| Height: | 4-3/8″ (109.7) |
| Ceiling Opening: | 4-5/8″ (117) |
| Min Ceiling Thickness: | 1/2″ (12.7) |
| Max Ceiling Thickness: | 1-1/2″ (38.1) |
All dimensions are inches (millimeters).
ORDERING INFORMATION
| Catalog Number | Description | |
| *261RJY | 4JBK SQ 30K 90CRI MW M6 ‡ | Canless Kit 4″ Baffle, Round, 3000K CCT, 9W, 625L, 90CRI, Matte white |
| *250KU7 | 4JBK SQ 40K 90CRI ORB M6 ‡ | Canless Kit 4″ Baffle, Round, 4000K CCT, 9W, 640L, 90CRI, Oil Rubbed Bronze |
Accessories: Order as separate catalog number.
OUJBK643 PAN U Universal Construction Pan
Notes
- Total System Delivered Lumens.
- Indoor damp location only for items in Brushed Nickel Finish.
4JBK SQ OneUP™ Direct Wire LED
PHOTOMETRICS
| Distribution Curve | Distribution Data | Output Data | Coefficient of Utilization | Illuminance Data at 30” Above Floor for a Single Luminaire |

ENERGY DATA
| 4″ SQUARE ENERGY DATA | ||
| Color Temperature | 3000K 4000K | |
| Lumens | 625640 | |
| CRI | 90 | |
| Lumens/Watt | 69. | 71. |
| Min. starting temperature | -18°C (-0°F) | |
| EMI/RFI | FCC Title 47 CFR, Part 15, Class B | |
| Sound rating | Class A Standards | |
| Input voltage | 120V AC | |
| Min. power factor | 0.9 | |
| Input frequency | 50/60HZ | |
| Rated wattage | 9W | |
| Input power | 9W | |
| Input current | 0.07A | |
LIGHTING FACTS

All results are according to IESNA LM-79-2008: Approved Method for the Electrical and Photometric Testing of Solid-State Lighting. The U.S. Department of Energy (DOE) verifies product test data and results.
Visit www.lightingfacts.com for the Label Reference Guide.
Registration Number: NJSM-GFQ33F (7/20/2017) Model Number: 4JBK SQ 30K 90CRI Type: Luminaire – Downlight
DIMMER COMPATIBILITY
| COMPATIBLE DIMMERS | ||||
| Lutron | Leviton | Pass & Seymour | Synergy/Leviton | Sensorswitch |
| DV-603P-LA | 6633-PA | HCL453PTCCCV6 | ISD 600 I 120 / IPI06 | nSP5 PCD 2W |
| CT-603PR-WH | 6615-P | LS 603 PWV | ISD 1000 I 120 / IPI10 | nSP5 PCD ELV 120 |
| DVELV-300P | ISD 400 ELV 120 / IPE04 | 1 | ||
| 300P SELV | ||||
| DV-600P | ||||
| NTELV-300P | ||||
| NLV-600 | ||||
| Caseta PD-6WCL dimmer (requires Lutron Smart Bridge L-BDG2-WH which is sold separately from the dimmer) | ||||
4JBK SQ
DOWNLIGHTING: One Lithonia Way, Conyers, GA 30012 Phone: 1-800-705-SERV (7378) www.lithonia.com
© 2018-2023 Acuity Brands Lighting, Inc. All rights reserved. Rev. 02/06/23














