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Analog Standard Base Analog Standard Base FAA-440-B4 Analog Isolator Base come in two size 4 in. (10 cm) which has a built‐in isolator. They are used in combination with FAP-440 and FAH-440 analog addressable detectors to provide early fire warning for life safety and property protection FAA-440-B4 Bosch Addressable Fire Alarm System (UL) 1.000 đ SoldOut
  • Analog Standard Base

    FAA-440-B4
  • FAA-440-B4 Analog Isolator Base come in two size 4 in. (10 cm) which has a built‐in isolator. They are used in combination with FAP-440 and FAH-440 analog addressable detectors to provide early fire warning for life safety and property protection

  • Manufacturer: Bosch
  • Origin: China
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- Modular design
- Easy detector removal for cleaning and servicing
- Stable mounting of detectors
- Terminal screws for remote LED, Data In and Out Provided
- Some models include isolator circuitry which prevents the entire SLC loop from being disabled when a short circuit occurs
- Maximum current consumption at 77°F (25°C) and 39 V bus voltage: 
  
+ Standby: 0.07 mA
  + Alarm: 10 mA
- Operating voltage (SLC loop): 24 V DC to 41 V DC
- Internal resistance: < 50 Ω
- Power up time: < 30 ms
Shut down time: < 50 ms
 

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