Bosch FLM-325-I4-AI, FLM-325-I4-A Specsheet
Fire Alarm Systems | FLM-325-I4-A Contact Monitors
FLM-325-I4-A Contact Monitors
www.boschsecurity.com
u Monitors Normally Open (NO) or Normally
Closed (NC) contacts
u Monitored Normally Closed (NC) contacts can be
configured with or without EOL resistor
The FLM-325-I4-A and FLM-325-I4-AI modules are used
to connect standard Normally Open or
Normally Closed dry contact types of fire alarm
devices such as pull stations or water flow devices.
The modules are mounted to a cover plate for a
4‑inch square or double‑gang electrical back box. A
bi‑colored LED provides the module status.
Functions
Address Range
Contact Monitor modules must be programmed with a
unique address. All devices connected to module
appear only as one single address at the fire panel.
The modules are compatible with 254 addresses.
Status Conditions
The module supervises the wiring to the contact with
an EOL resistor. If a fault condition occurs, the module
sends a trouble signal to the fire panel.
If a status change occurs, the module sends an
interrupt signal to the fire panel indicating that an
alarm has occurred.
u Module address programming with the D5070
Analog Device Programmer
u Bi‑colored LED provides module status
u Digital data communications and power over a
two‑wire circuit
Certifications and approvals
Region Certification
USA UL UOXX: Control Unit Accessories, System
(ANSI/UL 864)
CSFM see our website
FDNY-
#6101
CoA
Installation/configuration notes
Compatibility Information
The following products are compatible with the
modules:
Category Product ID Product Description
Fire Panels FPA‑1000
Analog Addressable Fire Panels
series
Programmer D5070 Analog Device Programmer
Data Circuit Length
Data (or polling) circuit length is the distance over the
circuit wire from the connection at the fire panel to
the most distant device and back to the fire panel.
Data circuit length must include the distance to any
2 | FLM-325-I4-A Contact Monitors
device connected to the circuit in a T‑tap. The screw
terminals can accept 14 AWG (ISO 2.5 mm2) wire;
thinner wire can be used, but this reduces the
allowable length of the circuit.
Initiating Device Circuit Connections
The initiating device circuit can use any number of UL
listed Normally Open (NO) contact closure devices.
Device circuit wiring must not exceed 50 Ω. Install
contact closure devices according to the
manufacturer’s installation instructions. All wiring
must be supervised and power-limited.
Notice
Do not mix fire alarm initiating and supervisory
devices on the same module.
Parts included
Quant. Component
1 FLM‑325‑I4-A Family Contact Module
1 EOL resistor, 10 kΩ
1 Wall plate
1 Hardware pack
1 Literature pack
Ordering information
FLM-325-I4-A Contact Monitor 4-inch Class A
Can be wired for Class A or Class B circuits; mounted
to a cover plate for a 4‑inch square or double gang
electrical back box; bi‑colored LED provides module
status; compatible with 254 addresses
Order number FLM-325-I4-A
FLM-325-I4-AI Contact Monitor 4-inch Class A with Isolator
Can be wired for Class A or Class B circuits; has
built‑in short circuit isolator circuitry; mounted to a
cover plate for a 4‑inch square or double gang
electrical back box; bi‑colored LED provides module
status; compatible with 254 addresses
Order number FLM-325-I4-AI
Technical specifications
Power Requirements
Input Voltage 25.3 VDC to 39 VDC
Current Consumption
• Nominal: 0.63 mA
• Maximum: 6.3 mA
Resistance
• End of Line Device 10 kΩ, 0.25 W per resistor
• Initiating Device
Circuit
Less than 50 Ω
Mechanical Properties
Dimensions (H x W x D): 4.7 in. x 4.2 in. x 1.4 in.
Weight 20 oz (567 g)
Color Ivory
Material ABS Blend
Response Time 2 sec
(11.9 cm x 10.7 cm x 3.6 cm)
Environmental Considerations
Operating Temperature +32°F to +120°F (0°C to +49°C)
Relative Humidity Up to 90 %, non‑condensing
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