Configured SKU
LSMT615-S5E
Generated
ARCHIPELAGO
Lighting Group
Catalog Number
LSMT615-S5E
Project
Type
Catalog #
Prepared By
Notes
Date

eCrescent Series · 6″ Surface-Mount Disk Downlight

Multi-fⒶMILY ECO-tier IP65 wet-rated surface-mount disk · 5-CCTselect 2700/3000/3500/4000/5000K · 120° wide-flood (back-lit polycarbonate) · ETL / ENERGY STAR / JA8-2022 / FCC / RoHS / IP65 Wet · Built-in PIR option (/P) · Emergency-driver compatible · Dual install (J-box surface OR 5″/6″ recessed-can retrofit) · 24-pack contractor carton
LSMT eCrescent — 6″ surface-mount disk downlight, white finish, IP65 wet, front 3/4 angle
Lumens (4000K)
910lm
Wattage
15W
Efficacy
61lm/W
CCT (selectable)
2700-5000K
CRI · Lifetime
≥ 90 · 50,000 hr
Beam · Voltage
120° · 120V
5-IN-1 STACK
IP65 wet · 5-CCTselect dip-switch (2700/3000/3500/4000/5000K) · built-in PIR option (/P · 10s/1m/10m hold) · EM-driver compatible (5 constNT bricks) · dual install (J-box surface OR 5″/6″ can retrofit · conversion kit included)
Approved by
Date
archipelagolighting.com · LSMT eCrescent submittal · ENERGY STAR + JA8 + IP65 Wet · Specifications subject to change
Rev. 2026-05 · Page 1 of 4
ARCHIPELAGO
Lighting Group
Catalog Number
LSMT615-S5E

Specifications

LSMT eCrescent · 4″ + 6″ Surface-Mount Disk Downlight (White · IP65 Wet · Optional Built-In PIR)
Construction
HousingLightweight 6063 aluminum frame · low-profile back-lit form factor · 0.95″ depth · twist-lock removable polycarbonate diffuser · onboard high-efficacy driver
Lens / DiffuserFrosted polycarbonate diffuser with even back-lit distribution · 120° wide-flood from centered Samsung 2835 LM80 LED array
FinishWhite only · powder-coat over 6063 aluminum frame
Ingress / LocationIP65 Wet-location listed · suitable for indoor + outdoor / coastal / corridor / patio / balcony soffit / parking-deck stair installs · waterproof sealant required at lens edge for IP65 finish
Operating Temp−10°F to +125°F (−23°C to +52°C) ambient — wider range than most disk-light competitors (Halo HLCE: 32-104°F)
LED & Optics
LED SourceSamsung 2835 LM80 IP-Protected Chip · 50,000-hr L70 lumen maintenance
CCT (5-CCTselect)Field-selectable via back-of-disk dip switch: 2700K / 3000K / 3500K / 4000K / 5000K — no SKU change required, single fixture covers any spec
CRI≥ 90 CRI per SellSheet badge · meets CA Title-24 JA8-2022 high-efficacy threshold (R9 inferred via JA8 listing; not explicitly published)
Beam Distribution120° wide-flood from back-lit polycarbonate diffuser — single beam shape, no field-replaceable optic, identical between 4″ and 6″ sizes
Lumen Output (4000K)See Page 4 for full 2-size × 5-CCT lumen matrix · 600 lm @ 4000K (4″ · 10W) · 910 lm @ 4000K (6″ · 15W) · efficacy 60 lm/W (4″) · 61 lm/W (6″)
Driver & Electrical
Voltage120V AC · 60 Hz (per Install Guide)
DriverOnboard high-efficacy driver · integral · sealed (not driverless — eCrescent uses a constant-current driver inside the disk)
Dimming100% to 5% with any LED-compatible dimmer · approved Leviton (5 SKUs: 6672, RNL06, IPL06, DSL06, 6674) · approved Lutron (13 SKUs incl. MACL-153M, PD-6WCL, MA-R, full list per Install Guide)
Built-in PIR Option (/P SKU variant only)
Sensor TypeFactory-integrated Passive Infrared (PIR) at the disk rim · ships only on LSMT615-S5E/P (6″ · 15W)
Hold TimeSelectable via second back-of-disk dip switch: 10 sec (closets / storage) · 1 min (stairwells / hallways) · 10 min (lobbies / common rooms)
Standard VariantLSMT410-S5E and LSMT615-S5E ship without PIR — pair with a wall-switch occupancy sensor or wire to an EM driver for code-required egress
Emergency Driver Compatibility (separate SKU)
Compatible EM DriversCRC6-EM/JBS · CRC6-EM/JBW · CRCU-EM/JBM · EM15-HMB · EM15-170DC — all constNT family field-install bricks
Egress Performance≥ 90 minutes at reduced lumens during power loss · UL 924 / NFPA 101 § 7.9 / IBC § 1008.3 means-of-egress compliant
Mounting
Surface (Standard)4″ disk: 4″ J-box (3.5″ hole spacing) · 6″ disk: 3″ J-box (2.75″) OR 4″ J-box (3.5″) · 2 mounting screws + 3 wire nuts included
Recessed RetrofitDrop into existing 5″ or 6″ recessed cans with included conversion kit: 2 spring iron supports + 2 mounting irons + 1 E26 base whip — no separate accessory order required
Install Time15–20 min per fixture (per Install Guide) · ladder + safety glasses only · no specialty tools
Compliance & Certifications
StandardsETL listed (US + Canada) · ENERGY STAR certified · JA8-2022 high-efficacy · CA Title-24 Part 6 ready · IP65 Wet Location · FCC Title 47 Part 15B · RoHS · Type Non-IC (not for direct contact with insulation)
Rebate-ReadyENERGY STAR + JA8 paths qualify for residential utility-rebate programs at PG&E, SCE, SDG&E, and most state IOUs · ECO tier (not DLC-listed) so commercial DLC-required programs do not apply · search "LSMT" at archipelagolighting.com/pages/rebate-center
Warranty5-year limited (luminaire) · all 5 active SKUs (LSMT410-S5E, LSMT410-S5E/24PK, LSMT615-S5E, LSMT615-S5E/24PK, LSMT615-S5E/P) ship QuickShip
archipelagolighting.com · LSMT eCrescent submittal · ENERGY STAR + JA8 + IP65 Wet · Specifications subject to change
Rev. 2026-05 · Page 2 of 4
ARCHIPELAGO
Lighting Group
Catalog Number
LSMT615-S5E

Dimensions & Mounting

Top + Side views · Surface-mount J-Box specs · 5″/6″ recessed-can retrofit · constNT EM driver pairing
Top + Side views (in)
TOP · DISK FACE Ø 7.32″ Ø 5.28″ emit SIDE · SURFACE MOUNT J-BOX ONBOARD DRIVER depth 0.95″ surface mount · 0″ recess
Dimensions (in)
Outer Diameter7.32″ (LSMT615)
Lens Emit Ø5.28″ (LSMT615)
Disk Depth0.95″ (low-profile back-lit form factor)
Recess0″ — surface-mount disk, no ceiling cut-out
J-Box Compatibility3″ J-box (2.75″ hole spacing) OR 4″ J-box (3.5″ hole spacing) — varies per size
In-the-Box Hardware
Mounting2 mounting screws + 3 wire nuts (L/N/G)
Conversion Kit2 spring iron supports + 2 mounting irons + 1 E26 base whip · for 5″/6″ recessed-can retrofit (eliminates separate accessory order)
Single Unit PkgSingle-fixture retail box
Contractor Carton24-pack master carton available (LSMT410-S5E/24PK · LSMT615-S5E/24PK)
Mount Path
Surface (Std)3″ or 4″ standard J-box · 2 screws · 0″ recess
Recessed (Retrofit)5″ or 6″ existing recessed can · spring iron + E26 whip from included kit
archipelagolighting.com · LSMT eCrescent submittal · ENERGY STAR + JA8 + IP65 Wet · Specifications subject to change
Rev. 2026-05 · Page 3 of 4
ARCHIPELAGO
Lighting Group
Catalog Number
LSMT615-S5E

Ordering Information

Configure your catalog number
Family
LSMT
Size & Wattage
615
CCT · Gen
-S5E
Sensor
Pack
Segment Available Codes
LSMTMulti-fⒶMILY surface-mount disk family prefix
410 / 615Size & wattage — 4″/10W · 6″/15W (the only two sizes in the eCrescent active SKU set)
-S5EFamily designator — 5-CCTselect (S5) + eCrescent (E) · fixed across all SKUs
/PBuilt-in PIR option — appended only on LSMT615-S5E/P (6″ only · selectable 10s/1m/10m hold time via second back-of-disk dip switch)
/24PK24-pack contractor carton — appended for bulk orders · mutually exclusive with /P (no Active SKU combines PIR + 24PK)
Active SKU Description
LSMT410-S5E4″ · 10W · 600 lm @ 4000K · 5-CCTselect · standard single-fixture box
LSMT410-S5E/24PK4″ · 10W · 24-pack contractor master carton
LSMT615-S5E6″ · 15W · 910 lm @ 4000K · 5-CCTselect · standard single-fixture box
LSMT615-S5E/24PK6″ · 15W · 24-pack contractor master carton
LSMT615-S5E/P6″ · 15W · built-in PIR with selectable 10s/1m/10m hold time · single-fixture box

Photometric Data

120° wide-flood (back-lit polycarbonate) · LSMT615 · 15W · 4000K · eCrescent · white · IP65 wet
90° 90° 120° BEAM · WIDE-FLOOD
Peak Intensity (est.)290 cd
Total Lumen Output910 lm
Beam Angle120°
OpticBack-lit polycarbonate diffuser
SourceSamsung 2835 LM80
CRI≥ 90 (per SellSheet)
L70 Lumen Maint.50,000 hr
IES FileLSMT615-S5 (4000K)_IESNA2002.IES
IES Bundle10 IES files on disk · WorkDrive bundle URL pending engineering registration
JA8-2022 ENERGY STAR IP65 Wet ETL FCC 47 / 15B RoHS CA Title-24 Part 6 5-Yr Warranty 50,000 hr L70
archipelagolighting.com · LSMT eCrescent submittal · ENERGY STAR + JA8 + IP65 Wet · Specifications subject to change
Rev. 2026-05 · Page 4 of 4