Lighting: LED Lighting Fixture,

NFDR1 Series
Restricted Breathing and Dust protection by enclosure
Zone 2 _ 21 & 22

Application Technical Data

The NFDR1 luminaire design for explosion-protected with
Hazardous Area Gas Dust

A
ignition protection status nR (restricted breathing), an nR
solution that greatly simplifies the on-site installation work Zones 2 21 & 22
for the operator. Equipment Group/Category II 3G II 2D
Symbol of Protection Ex nR IIC T4-T6 Gc Ex tb IIIC T85oC-T130oC Db IP66
Specification Conformity to standards EN IEC 60079-0:2018, EN IEC 60079-15:2019,
Body material : Marine grade copper-free aluminium EN 60079-31:2014, EN 60598-1:2015
alloy with polyester powder coated, Ambient Temperature -40oC to +60oC (30W. to 300W.)
RAL 7032 (grey) -40oC to +55oC (310W. to 350W.)

B Lens
Bolts
Sealing gasket
: Heat and impact resistant clear glass
: Stainless steel, SUS 304
: Silicone
Index of Protection

Entries
IP66

Ceiling, Bracket ; 2-M20x1.5, 2- M25x1.5 or 2- Ø3/4” NPT

Bracket : Hot-dip gavanized steel
Guard : Stainless steel Wall ; 4-M20x1.5, 4- M25x1.5 or 4- Ø3/4” NPT
Pendant ; 1- Ø3/4” NPT, Stanchion ; Ø1-1/4” NPT
LED System Mounting Ceiling, Wall, Pendant, Steel bracket or Stanchion mounting
Luminous efficient : 100 lm/W Connection L, N and E ; for 1-4mm.2 cable (Through wiring system with

C
Colour temperature : 5700 K (cool white) an extra terminal block for cable connection at both ends.)
Color Rendering Index (Ra) : >70
Rated Voltage 110-240V.ac 50/60Hz., THDi < 20%, P.F. ≥ 0.95
Chip : CREE or Lumileds
Beam angle : 80°, 100°
Catalogue Number Logic
Option (specify) NFDR1 - -
Body : Offshore painting
(Acrylic polyurethane coating) Series LED Power Mounting Entries Accessories

D Bolts
Bracket
: Stainless steel, SUS 316
: Stainless steel, SUS 316
Colour temperature : 3500K (warm white)
(see ordering
requirement
table below)
C
C1
P
Ceiling
Steel Bracket
Pendant
M1 M20x1.5
M2 M25x1.5
N2 Ø3/4” NPT
G Guard
AN Antenna
(ANTE series)
Color Rendering Index (Ra) : >80 W Wall
Others beam angle of lens S30 Stanchion, 30 degree Angle
S90 Stanchion, 90 degree Angle
Ceiling Mounting Steel Bracket Mounting
Ordering Requirements;

E 30W. to 220W.

Cat. No.
LED
Voltage
Temp. Class
(for zone 2)
Max. Surface Temp.*
(for zone 21 & 22)
Power Ta 40 oC Ta 60 oC Ta 40 oC Ta 60 oC
NFDR1-30 - - 30W. 110-240V.ac T6 T5 T85oC T100oC
Pendant Mounting NFDR1-40 - - 40W. 50/60Hz.
NFDR1-50 - - 50W.

F
NFDR1-60 - - 60W.
NFDR1-70 - - 70W.
NFDR1-80 - - 80W.
NFDR1-90 - - 90W.
NFDR1-100 - - 100W.
Stanchion Mounting ; Stanchion Mounting ;
NFDR1-110 - - 110W.
30 degree angle 90 degree angle
NFDR1-120 - - 120W.

G
NFDR1-130 - - 130W.
NFDR1-140 - - 140W.
NFDR1-150 - - 150W.
NFDR1-160 - - 160W.
NFDR1-170 - - 170W.
NFDR1-180 - - 180W.
Wall Mounting
NFDR1-190 - - 190W.

H NFDR1-200
NFDR1-210
NFDR1-220 - -
-
-
-
-
200W.
210W.
220W.
Remark * : The maximum surface temperatures are specified for dust free condition. The dust layer
which may cover around the lighting fixture will cause to higher surface temperature.

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F50/64 or contact us at +66 (0) 2434 3688 © January 2022
Lighting: LED Lighting Fixture,
NFDR1 Series
Restricted Breathing and Dust protection by enclosure
Zone 2 _ 21 & 22

Ordering Requirements;
230W. to 350W. (Pendant or steel bracket mounting)

Cat. No.
LED
Power
Voltage
Temp. Class
(for zone 2)
Max. Surface Temp.*
(for zone 21 & 22)
Ta 40 oC Ta 60 oC Ta 40 oC Ta 60 oC
A
NFDR1-230 - - 230W. 110-240V.ac T5 T4 T95oC T130oC
NFDR1-240 - - 240W. 50/60Hz.
NFDR1-250 - - 250W.
NFDR1-260 - - 260W.

B
NFDR1-270 - - 270W.
NFDR1-280 - - 280W.
NFDR1-300 - - 300W.

LED Temp. Class Max. Surface Temp.*

Cat. No. Voltage (for zone 2) (for zone 21 & 22)
Power Ta 40 oC Ta 55 oC Ta 40 oC Ta 55 oC
NFDR1-310 - - 310W. 110-240V.ac T5 T4 T95 C
o
T130oC
NFDR1-320 - - 320W. 50/60Hz.
NFDR1-330
NFDR1-340
-
-
-
-
330W.
340W. C
NFDR1-350 - - 350W.
Remark * : The maximum surface temperatures are specified for dust free condition. The dust layer
which may cover around the lighting fixture will cause to higher surface temperature.

Dimension ; 30W. to 220W.

Ceiling Mounting Pendant Mounting D
Ø3/4” NPT
2- Entries e
d (Female)
(Through-feed)

c M20x1.5 c M20x1.5
(for antenna)

E
(for antenna)
Øb Øb
Øa Øa

Dimension in mm. Approx. Dimension in mm. Approx.

Cat. No. Weight Cat. No. Weight
Øa Øb c d e (kgs.) Øa Øb c (kgs.)
NFDR1-30C to 100C 235 270 190 270 300 7.0 NFDR-30P to 100P 235 270 203 7.0
NFDR1-110P to 220P 340 270 213 9.8

F
NFDR1-110C to 220C 340 270 20 270 300 9.8

Wall Mounting Steel Bracket Mounting

f 2- Entries
107 4-Ø8 e e
89 (Through-feed)
M20x1.5 Øb
32

G
107

(for antenna)
89

d M20x1.5 b c
d 4- c (for antenna)
Entries
65 65 3-Ø13 Øa
Øa

Dimension in mm. Approx. Approx.

Dimension in mm.
Cat. No. Weight Cat. No. Weight

H
Øa Øb c d e f (kgs.) Øa b c d e (kgs.)
NFDR1-30W to 100W 235 270 200 237 435 418 7.0 NFDR1-30C1 to 100C1 235 180 213 179 193 10.0
NFDR1-110W to 220W 340 270 210 247 435 470 10.7 NFDR1-110C1 to 220C1 340 190 223 188 193 11.8

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or contact us at +66 (0) 2434 3688 © January 2022 F51/64
 Lighting: LED Lighting Fixture,
NFDR1 Series
Restricted Breathing and Dust protection by enclosure
Zone 2 _ 21 & 22

Dimension ; 30W. to 220W.

Stanchion Mounting ; 30 degree angle

A Conduit type (standard) Cable type (Pipe clamp)

Detail 'A'
d

M20x1.5 Øb
(for antenna)

B Ø1-1/4” NPT
(Female)
Øa

30o

Cat. No. Dimension in mm.

C
Conduit type Cable type Øa Øb c d
NFDR1-30S30 to 100S30 NFDR1-30S301 to 100S301 235 270 270 403
NFDR1-110S30 to 220S30 NFDR1-110S301 to 220S301 340 270 304 453 Luminous Intensity Distribution Curve
-110o -130o -150o 180o 150o 130o 110o
NFDR1-200

Stanchion Mounting ; 90 degree angle -90o 90o

Conduit type (standard) Cable type (Pipe clamp) 1000

D
2000
d -70o
3000
70o

M20x1.5 Øb 4000
(for antenna) -50o 5000 50o
6000

-30o 30o
90o c Unit : cd
C0o-C180o
0o
Ø1-1/4” NPT C90o-C270o
Average Beam Angle : 106 Deg. (without lens)
(Female)
Øa -110o -130o -150o 180o 150o 130o 110o

E
NFDR1-300

Cat. No. Dimension in mm. -90o 90o

Conduit type Cable type Øa Øb c d 5000

10000
NFDR1-30S90 to 100S90 NFDR1-30S901 to 100S901 235 270 200 427 -70o
15000
70o

NFDR1-100S90 to 220S90 NFDR1-100S901 to 220S901 340 270 210 427 20000

-50o 25000 50o

-30o 30o
Unit : cd

F
0o C0o-C180o
C90o-C270o
Average Beam Angle : 80 Deg. (with lens)

Complete photometrics, please contact us.

Dimension ; 230W. to 350W.
Steel Bracket mounting Pendant mounting

Visit our website at www.alloyindustry.com

F52/64 or contact us at +66 (0) 2434 3688 © January 2022