BOSCH F220-B6R Base With Form A Relay, 4-wire, 12/24V
Standard base for four-wire (12 VDC or 24 VDC) detector systems. The base works with the F220 smoke detectors and heat detectors.
Features
- Use for four-wire (12 VDC or 24 VDC system) applications
- Provides Form A alarm loop relay
- Easy installation
- Interchangeable detector heads
- UL listed when used with a detector from the F220 family
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