防火自降器
Fireproof auto-descending unit
E-303 Rolling Fire Door Automatic block Device
The functions are as follows:
1、Melt crystal is 70°C, shutter slats automatically lower.
2、Pulling the manual device, shutter slats automatically lower.
3、After electrified, shutter slats automatically lower.
※Constant voltage：DC24V
※Nominal current：1.33A
※Temperature standard：-10°C ~ 40°C
※Liberation of electrifying：20mm, strength 480g
1、Melt crystal is 70°C, shutter slats automatically lower.
2、Pulling the manual device, shutter slats automatically lower.
3、After electrified, shutter slats automatically lower.
※Constant voltage：DC24V
※Nominal current：1.33A
※Temperature standard：-10°C ~ 40°C
※Liberation of electrifying：20mm, strength 480g
