FR
FROSTED DIFFUSER
Asymmetric
Frosted
Measured, NAS-25-850-FR (taken as NAS-25B-850-FR, to confirm)
Industrial · Linear
Batten Lights - IP65 Rated LED Light Fittings
General-Usage Industrial Linear
- 25W to 65W
- 3,500lm to 8,900lm
- 136 to 140lm/W
- IP65
- 5 Years warranty
Order code NAS-25B-850-FR-D1-TT
3,500 lm
CRI>80, 5000K. FROSTED DIFFUSER optic.
No lumen is published for that combination.
Measured file NAS-25-850-FR (taken as NAS-25B-850-FR, to confirm): 3,440 lm at 24.62 W (139.7 lm/W).
25W nominal. 600 × 83 × 55 mm, 1.1 kg (excludes bracketry). Driver Lifud LF-GMD023YA (D1, D2); Osram (D3). CE, RoHS.
- 140 lm/W
The Nasmyth Series are an installation friendly and budget conscious alternative to Kellwood's Nitsch Series Vapour-proof linear LED light fittings.
In the Nasmyth light fitting, an innovative end cap design provides access to wire-in terminal blocks whilst allowing for an IP65 rating. These features make this luminaire ideal, not only as task lighting in industrial lighting applications but also in external applications including car park lighting.
- 25W - 50W Specifications
- L70 >50,000 Hours
- Ingress & Corrosion Protection
- Quick Install Wire-In Design
- Optional Linkable Variant
| Series code | NAS |
|---|---|
| Nominal power | 25W to 65W |
| Efficacy | 136 to 140lm/W @ CRI>80, 5000K |
| Lumen output | 3,500lm to 8,900lm @ CRI>80, 5000K |
| Lumen maintenance | L70B10 ≥78,000 hours @ Ta 25°C (TM21 reported) |
| Certification | CE, RoHS |
| Warranty | 5 Years |
Sheet lumen at CRI>80, 5000K, with no modification: 25B 3,500 lm, 36D 5,040 lm, 50A 6,800 lm, 65A 8,900 lm. Another CRI, or a modification, still prints the order code and leaves the lumen blank. 4 measured files give 136.2 to 140.6 lm/W; the measured figure for the chosen optic shows under the code.
DOWNLOADS
Questions for Adam list what the sheet and the measured files do not settle yet.
LIGHT DISTRIBUTION OPTIONS
CL
CLEAR STRIPED DIFFUSER
Asymmetric
Frosted
Drawn from the beam setting, not measured
Polar: solid green C0–C180, dashed blue C90–C270, dotted amber the plane through the brightest direction when it lies between them; rings at 25% steps of the peak. Isolux: the footprint on the floor with the fitting aimed straight down, contours at 50%, 25% and 10% of the brightest point, grid in mounting heights (H). Both are drawn from the first measured file for that optic.
DESIGN FEATURES
Linear lights designed for PURPOSE
The lightweight design and high efficacy allow for high lux levels with minimal load requirements. A choice of mounting styles and optional linkable configuration provide further flexibility, making the Nasmyth Series an obvious replacement for traditional batten and anti-corrosive fittings. Ingress protection: Anodised aluminium provides environmental protection rating at IP65. Easy access to terminal blocks ensures fast and flexible installation whilst maintaining IP65 rating Series Mounting: Dual end terminal block modification allows daisy-chain connection up to 12no. light fittings. Emergency: Nasmyth is compatible with the Elgin series, which is a plug and play 3W non-maintained, self test - 3 hour integrated emergency module. Remote testing functionality can also be achieved by installing an emergency key switch on the permanent live Sensor: The Nasmyth Series has optional modification to provide microwave sensor controls. The microwave sensor it provides control over the settings: detection range, delay time, waiting time, waiting brightness and light sensor value. These can be configured and applied to up to 4 individual scene modes.
TYPICAL APPLICATIONS
Warehouses
Vast range of LED warehouse high bay lights, low bay lights and other warehouse lighting fixtures, including lights suitable for commercial storage spaces.
Workshops
Kellwood's expert workshop lighting solutions meet CIBSE and HSE guidance. Our systems enhance safety, accuracy and efficiency in all types of workshops.
- Production
- Task lighting
- External Areas
GALLERY
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SPECIFICATIONS
| Chip Brand, Model, & Size | Jufei San’an 2835 |
|---|---|
| Chip Efficacy @ CRI>80, 5000K CCT | 190lm/W @ 60mA, 25°C |
| Light Emission | Direct |
| CCT | 5000K, (3000K, 4000K, 6000K optional) |
| CRI | ≥80Ra, (≥90Ra optional) |
| SDCM | <6, (<3 optional) |
| Diffusers | Frosted, (Clear Striped optional) |
| Symmetric Light Distribution | 120° |
| System Operating Power | NAS-25B: 25W; NAS-36D: 36W; NAS-50A: 50W; NAS-65A: 65W |
|---|---|
| Driver Brand | Lifud (D1, D2); Osram (D3) |
| Driver Model | NAS-25B: LF-GMD023YA; NAS-36D: LF-GMD040YA; NAS-50A: LF-GMD063YA; NAS-65A: LF-GMD063YA |
| Typical Driver Lifetime | 55,000 hours @Tc 60°C |
| Input Voltage | 100-240VAC |
| Input Frequency | 50-60Hz |
| Qty of Drivers per Light | 1 |
| Power Factor | >0.9 |
| Inrush Current | I<60A/350μs @ 230VAC (Peak/Duration) |
| THD | <20% (100-240VAC) |
| Insulation Class | Class I |
| IP Rating | IP65 |
|---|---|
| IK Rating | IK08 |
| Ambient Usage Tolerance | -20°C to 40°C |
| Ambient Storage Tolerance | -40°C to 80°C |
| Ambient Humidity Tolerance | 10% to 80% RH |
| Product Dimensions: LxWxH (mm) | NAS-25B: 600 x 83 x 55; NAS-36D: 1200 x 83 x 55; NAS-50A: 1500 x 83 x 55; NAS-65A: 1500 x 83 x 55 |
|---|---|
| Electrical Connection | Quick Connect Terminal Block (Both Ends Optional) |
| Fixture Weight (excludes bracketry) | NAS-25B: 1.1kg; NAS-36D: 2.0kg; NAS-50A: 2.4kg; NAS-65A: 2.4kg |
| Fixture Primary Material(s) | Aluminium and Stainless Steel Fixings |
| Fixture Finish | Anodised |
| Lens(es) Materials | UV Stabilised Polycarbonate |
| Dimming Options | 1-10V, DALI |
|---|---|
| Built-in Controls | Microwave occupancy, multi-step dimming, remote controllable |
| Compatible intelligent lighting systems | Wireless Controls and Monitoring |
| Mounting Styles | Twin Surface/Trunking Brackets, Cable Suspension |
|---|---|
| Miscellaneous Accessories | Linkable variant, IP68 13A in-line connector |
| Emergency Variant Code | ELG2-3-NM-S1 (Requires LI “Linkable” Nasmyth Variant) |
|---|---|
| Test Method | Self-Test |
| Style | Wire-in module with integrated light source | Non-Maintained |
| Emergency Lumen Output @ 4000K CCT | 400lm |
| IP Rating | IP65 |
| Battery Chemical Composition | LiFePO4 |
| Battery Configuration | Replaceable |
| Battery Capacity | 2,200 mAh |
| Battery Output Voltage | 7.4V 3Ah |
| Output Power Duration | 3 hours |
| Time to Charge | 10 hours |
| Ambient Product Usage Tolerance | -20°C to 40°C |
| Ambient Product Storage Tolerance | -20°C to 40°C |
| Product Dimensions (ØxH) | 86 x 57mm |
| Warranty | 2 Years |
Accessories (ordered separately) All accessories
ELG2-3-NM-S1Elgin 2 plug-in 3W non-maintained self-test mini emergency moduleJB1IP68 13A in-line connectorJB1-(length in metres)IP68 13A in-line connector with cable to the requested length
| 25B | 25W nominal. 600 × 83 × 55 mm, 1.1 kg (excludes bracketry). Driver Lifud LF-GMD023YA (D1, D2); Osram (D3). CE, RoHS. |
|---|---|
| 36D | 36W nominal. 1200 × 83 × 55 mm, 2.0 kg (excludes bracketry). Driver Lifud LF-GMD040YA (D1, D2); Osram (D3). CE, RoHS. |
| 50A | 50W nominal. 1500 × 83 × 55 mm, 2.4 kg (excludes bracketry). Driver Lifud LF-GMD063YA (D1, D2); Osram (D3). CE, RoHS. |
| 65A | 65W nominal. 1500 × 83 × 55 mm, 2.4 kg (excludes bracketry). Driver Lifud LF-GMD063YA (D1, D2); Osram (D3). CE, RoHS. |
Emergency: the ELG2-3-NM-S1 module plugs into the linkable (LI) variant.
Footnote 1: remote testing can also be had by fitting an emergency key switch on the permanent live.
If more than one modification is required, separate each modification with a hyphen at the end of the product code.
