ChenL F21-4S General Electronic Accessories Other 220
4.0(15 ratings)ChenL F21-4S (Q400) is a 4-button, single-speed wireless transmitter and receiver set for electric hoists, cranes and elevators. Listed under General Electronic Accessories, its color is Other and its size is 220. It supports 12V and 24V systems and has a line-of-sight control range of up to 100 meters.
The transmitter operates from -20°C to +70°C and is rated IP64; the receiver operates from -30°C to +70°C and is rated IP65. Transmitter standby current is under 8µA. Communications use 32-bit security coding (4300000000) to help prevent unauthorized signal interference.
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