LST SZ58-3 User manual

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SZ58-3_DBL_LST_EN_0804.PDF • PAGE 1
ABuilding Safety. Building Security.
Siren Connection Module
SZ58-3
Description
The Siren Connection Module SZ58-3 is installed in Fire
Detection Control Panels Series BC216, BC016 and
BC06 for connecting acoustical or optical signalling
devices (e.g., sirens) to four independently actuatable
circuits with line monitoring. The siren circuits are indi-
vidually protected by means of self-healing electronic
fuses. The activation of the siren circuits is carried
out by the control panel or manually by means of swit-
ches.
The signalling devices can be supplied either directly
by the fi re detection control panel, or, in case of in-
creased current demand, through an external power
supply. The supply of the siren circuits is automatically
monitored for undervoltages.
The componentry is equipped with four fault detection
outputs which report the fault condition of power supp-
ly and siren lines to the control panel.
For each output there are separate LEDs for indication
of fault and activation.
The siren connection module is mounted on a bracket
inside the housing of the fi re detection control panel.
• Four independent, individually fused
siren outputs
• 500mA load current per output
• Monitoring of the siren circuits
• LEDs indicate activation and faults of
siren circuits
• Activation by means of actuation
outputs or external switches
Specifi cations
Operating voltage 21 – 30VDC
External supply voltage for signalling devices 21 – 30VDC
Current consumption at 24V 15mA (quiescent, outputs terminated)
Load current per output max. 500mA
Output voltage, siren circuit quiescent -1.2VDC
Output voltage, siren circuit active external supply voltage minus approx. 1V
End-of-line resistor 5.6kΩ
Surveillance current, quiescent state typ. 240µA
Ambient temperature -5°C to +50°C
Relative humidity max. 95% (no condensation)
Dimensions L × W × H 98 × 74 × 18 (mm)
Weight 60g
Order number 223026
Order name Siren Connection Module SZ58-3