Specifications
10
DIVISION 2 HAZARDOUS LOCATION STROBES
MICROSTROBE® DIVISION 2 UL LISTED
The Model 490S-1280T and 490S-120T strobe light are UL listed for use in Class 
I & II,Division 2 hazardous locations. These units have a Lexan lens and base, 
polyurethane potted power supplies and are suitable for outdoor use in NEMA 4 
locations They may be operated in any position and feature a 1/2" pipe mount. UL 
Listed for Class I, div 2 Groups A, B, C, & D. 
Class II, div 2, Groups F & G.
SPECIFICATIONS
• Intensity
CLEAR    50 Candela
AMBER    40 Candela
BLUE    20 Candela
RED    10 Candela
GREEN    20 Candela
• 60 to 80 Flashes per Minute
• 1.75 joule power supply, 60-80 FPM
• Temp Code: Class I T2C 230
0
 C. Do not install where the operating 
 temperature exceeds the ignition temperature of the hazardous 
 atmosphere.
• -40 Degree C to +55 Degree C
• 5"tall X 3"dia. , 0.6 lbs.
• Model 490S-120T has built-in triac to prevent false operation from   
 snubber leakage current caused by switching on and off from a solid 
 state relay.
• TEN YEAR WARRANTY
490S-1280T  12-80 VDC 0.4 A/12 VDC
490S-120T  120 VAC 0.04 A/120 VAC
5001    Flashtube
470S-L    Lens (specify color)
HEAVY DUTY DIV. 2 STROBES UL LISTED
The hazardous area group of strobes UL Listed for CLASS I DIV. 2 GROUP A, B, C  
& D. CLASS II DIV.2 GROUP F & G. CLASS III DIV. 2. These units feature cast 
aluminum construction, tempered glass lenses and are suitable for outdoor use. 
Unique power supply design provides 120 thru 240 VAC and 12 thru 74 VDC input 
voltage.
SPECIFICATIONS
• Intensity
CLEAR    80 Candela
AMBER    60 Candela
BLUE    40 Candela
RED    25 Candela
GREEN    30 Candela
• 8 joule power supply 
• 75 Flashes per minute
• Temp Code: Class I T2A 280
0
 C, Class II T6 85
0
 C. Do not install where 
 the operating tempereature exceeds the ignition temperature of the 
 hazardous atmosphere. 
• 3/4" pendant mount
• -40 Degree C to +55 Degree C
• 8.5" tall X 5.4" dia., 3.2 lbs
• TWO YEAR WARRANTY
4375-1274  12-74 VDC 1.31 A/12V
4375-120   120-240 VAC 0 .2 A/120 V
2001    Flashtube
4375-L    Lens (specify color)
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