Installation guide
 Quasar CM-4251 Series User and Installation Guide 
104 
Physical 
Dimensions 
CM-4251-10-1 
CM-4251-11-1 
∅ 151 x 130 mm (∅ 5.9 x 5.1 in.) 
∅ 151 x 130 mm (∅ 5.9 x 5.1 in.) 
Weight 
800g (1.8 lbs.) 
700 g (1.5 lbs.) 
Electrical 
Power Consumption 
5W 
System: 5W 
Built-in IR Illuminator: +3W 
Motorized Lens: +3.6W 
Power Source  
12VDC/24VAC/PoE 
Environmental 
Operating Temperature 
-10° to 50°C (14° to 122° F) without heater & fan 
Humidity 
10-90% non-condensing 
General 
Regulatory 
US 
FCC Part 15 (Subpart B, Class A) UL 
Europe 
CE-marked, EN55022-1998 Class A, EN55024, RoHS 
Warranty 
Lifetime covering parts 










