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           E-303 Rolling Fire Door 
            Automatic block Device 
            The functions are as follows: 
            ¡@1¡BMelt crystal is 70¢XC, shutter slats automatically lower. 
            ¡@2¡BPulling the manual device, shutter slats automatically lower. 
            ¡@3¡BAfter electrified, shutter slats automatically lower. 
            ¡@¡@¡°Constant voltage¡GDC24V 
            ¡@¡@¡°Nominal current¡G1.33A 
            ¡@¡@¡°Temperature standard¡G-10¢XC ~ 40¢XC 
            ¡@¡@¡°Liberation of electrifying¡G20mm, strength 480g | 
         
         
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