Cut Sheet

Lighting — LED
NEC/CEC ENClosEd aNd GaskEtEd — arEa
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© January 2016
1374
Technical Data
Lamp
Ambient
Temperature
°C (°F)
Supply Wire
Temperature
°C (°F)
NEC/CEC
Gas Dust Gas/Dust
Model Type
Class I,
Division 2  Groups Class I, Zone 2,
Class II,
Division 1
and 2  Groups
Simultaneous 
Class I, Division 2/
Class II, Division 1
MLLED2
NEMA
TypeV
LED
40(104) 60(140) T4
A,B,C,D
T4 T6
E,F,G
T4
55(131) 75(167) T4 T4 T6 T4
MLLED3
NEMA
TypeV
LED
40(104) 60(140) T4
A,B,C,D
T4 T6
E,F,G
T4
55(131) 75(167) T4 T4 T6 T4
MLLED4
NEMA
TypeV
LED
40(104) 60(140) T4
A,B,C,D
T4 T6
E,F,G
T4
55(131) 75(167) T4 T4 T6 T4
“T” Numbers Represent the Maximum Internal Temperature  or Maximum Surface Temperature 
NEC/CEC
“T” # T1 350 325 T2 T2A T2B T2C T2D T3 T3A T3B T3C T4 T4A T5 T6
Temp.
Range
ºC (˚ºF)
351-
450
326-
350
301-
325
281-
300
261-
280
231-
260
216-
230
201-
215
181-
200
166-
180
161-
165
136-
160
121-
135
101-
120
86-
100
85
(664-
842)
(619-
662)
(574-
617)
(538-
572)
(502-
536)
(448-
500)
(421-
446)
(394-
419)
(358-
392)
(331-
356)
(322-
329)
(277-
320)
(250-
275)
(214-
248)
(187-
212)
(185)
NEC/CEC:
Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, Group IIC
Class II, Division 1, Groups E, F, G 
Class II, Division 2, Groups F, G
Class III
NEC/CEC:
Type 3R, 4, 4X
IP66
Simultaneous Exposure
Suitable for Use in Wet Locations
Marine Outside Type (Salt Water)
Mercmaster™ LED Low Profile Luminaires
Enclosed and Gasketed Fixtures
Lamp Comparison Chart
Model
Line Current
Amps
Input
Power
Power
Factor THD
Lumens 
CRI
Lamp
Life
(Hours)
Color
Temp
CCT
Equivalent
HID
Luminaire
Polycarbonate
Clear Globe

Polycarbonate
Diffused
Globe 
Glass
Clear
Globe 
Type V
Prismatic
Glass Refractor
NEMA Type V
MLLED2
.21@120V 26
>.97 <20% 2400 2300 2500 2200 >70 60,000+ 5700K 70W
.10@277V 26
MLLED3
.29@120V 35
>.97 <20% 3400 3300 3600 3100 >70 60,000+ 5700K 100W
.13@277V 34
MLLED4
.41@120V 48
>.88 <20% 4800 4600 5000 4300 >70 60,000+ 5700K 150W
.20@277V 48
Surge Protection Common/Differential Mode:
100kHz Ring Wave (w/t 30Ω): 6 KV
1.2/50 µs Combination Wave (w/t 2Ω): MLLED2,
MLLED3 4 KV; MLLED4 3 KV
Clear and diffused polycarbonate globes are not rated for Class II, Division I environments
 T numbers represent the maximum internal temperature for Class I, Division 2 and Class I, Zone 2 locations designated by the NEC.
 T numbers represent the maximum surface temperature under a dust blanket for Class II, Division 1 as designated by the NEC.
 All lumen values are typical (tolerance +/- 10%).
 Certification pending for Glass Globe.