Z3B171 Relay module
74
Siemens Building Technologies
007831_a_en_--.doc
Fire & Security Products
03.2004
19
Z3B171 Relay module
Interface (potential isolation) to fire doors, ventilation system etc.
Activated via driver outputs E3G070 (Q1...Q7) or E3L020
Contains 1 changeover contact 250V
AC
/ 10A
Latched on to extruded section
Quiescent current 33mA at 29,6V (27mA at 24V)
Remove with screwdriver in order to release
the relay module from the extruded section
Control unit voltage side (coil)
External voltage side (contact)
19.1 Connections
Z3B171
14
12
11
A1
A2
10A 250VAC
e.g.
E3G070/Q3
e.g.
air conditioning control
900
Ω
11
12
14
A1
A2
Relay
Terminal layout