Bosch Appliances DM 1103 BEX manual System Overview, Conventional Manual Call Points for Ex Areas

Fire Alarm Systems Conventional Manual Call Points for Ex Areas

Conventional Manual Call Points for Ex Areas

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The Conventional Manual Call Points for Ex Areas are used to manually activate the alarm in zones 1 and 2 at risk of explosion.

The K type call points are encapsulated, intrinsically safe call points and do not require any safety barriers. The DM 1103 B‑Ex Manual Call Points for ex zones must be connected via a Safety Barrier SB 3 incl. Input/Output Module DCA1192 (see system overview).

System Overview

	1	2
			EOL22(EX)
			DFA1101A-EX
FLM-420/4-CON
		DO1101A-EX
DCA1192	SB3		DO1101A-EX
DCA1192	SB3	DM 1103 B-EX	DM 1103 B-EX

For DM 1103 B‑Ex:

Pos. Description

1Non-ex area

2 Ex area zone 1 or 2