Bosch 8-Dec - Manual (Page 245)

Detectors and Accessories | Smoke | 237
Technical Specifications
Environmental Considerations
Relative Humidity: Up to 95%, non‑condensing
Temperature (operating): +32°F to +100°F (0°C to +38°C)
Mechanical Properties
Color: Off-white
Dimensions (diameter x D) 6 in. x 0.9 in. (15.2 cm x 2.3 cm)
Material: Fire‑resistant plastic
Ordering Information
F220‑B6 12/24 VDC Two‑wire Base
Standard base for two‑wire (12 VDC or 24 VDC
system) applications.
F220-B6
F220‑B6R Standard 12/24 VDC Four‑wire
Base
Standard base for four‑wire (12 VDC or
24 VDC) detector systems.
F220-B6R
F220‑B6C 12/24 VDC Four‑wire Base with
Auxiliary Form C Relay
Four‑wire base with a normally‑open (NO)
alarm loop relay and a set of auxiliary contacts
(Form C).
F220-B6C
F220‑B6E 12/24 VDC Four‑wire Power
Supervision Base with End‑of‑line Power
Monitoring Relay
Four‑wire base with a normally‑open (NO)
alarm relay and an EOL power supervision re-
lay.
F220-B6E
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