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Home Products Bosch Products Fire Alarm Control System Products Addressable Products FLM‑420‑RLV1 Relay Interface Modules Low Voltage
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FLM‑420‑RLV1 Relay Interface Modules Low Voltage

General Description
  • The FLM‑420‑RLV1 Relay Interface Modules Low Voltage feature a changeover contact relay for providing a potential-free output contact. They are 2‑wire LSN elements. When connected to the fire panels FPA‑5000 and FPA‑1200, the interface module offers the enhanced functionality of LSN improved technology.

 

 

  • Maximum switching current of 5 A/30 V DC (type DIN rail), 1 A/30 V DC (type in-built), 0.5 A/42.4 V AC (both variants)
  • Low current consumption 
  • Maintains LSN loop functions in the event of wire interruption or short-circuit thanks to two integrated isolators

 

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FLM‑420‑RLV1 Relay Interface Modules Low Voltage

 

 

 

 

LSN  
LSN input voltage 15 V DC to 33 V DC (min. to max.)
Max. current consumption from LSN 1.75 mA
Relay (low voltage) Normally closed, common and normally open contact (NC/COM/NO)
Contact load (ohm resistive load) FLM‑420‑RLV1‑E  
Max. switching current and voltage 1 A / 30 V DC 0.5 A / 42.4 V AC
Min. switching current and voltage 0.01 mA / 10 mV DC 0.01 mA / 10 mV AC
Max. frequency AC 100 Hz
Contact load (ohm resistive load) FLM‑420‑RLV1‑D  
Max. switching current and voltage 5 A / 30 V DC 0.5 A / 42.4 V AC
Min. switching current and voltage 0.1 mA / 100 mV DC 0.1 mA / 100 mV AC
Max. AC frequency 100 Hz
Minimum activation time of the connected device > 20 ms
Connections  
FLM-420-RLV1-E 12 screw terminals
FLM-420-RLV1-D 6 threaded terminals
Permitted wire cross-section  
FLM-420-RLV1-E 0.6 to 2.0 mm2
FLM-420-RLV1-D 0.6 to 3.3 mm2
Address setting  
FLM-420-RLV1-E 8 DIP switches
FLM-420- RLV1-D 3 rotary switches
Housing material  
FLM-420- RLV1-E ABS/PC blend
FLM-420- RLV1-D with adapter PPO (Noryl)
Color  
FLM-420- RLV1-E Signal white, RAL 9003
FLM-420- RLV1-D Off-white, similar to RAL 9002
Dimensions  
FLM-420- RLV1-E Approx. 50 mm x 22 mm (Ø x H)
FLM-420- RLV1-D with adapter Approx. 110 x 110 x 48 mm (W x H x D)
Weight Without / with packaging
FLM-420- RLV1-E Approx. 35 g / 130 g
FLM-420- RLV1-D Approx. 150 g / 235 g
   
Permitted operating temperature -20 °C to +55 °C
Permitted storage temperature -25 °C to +80 °C
Permitted rel. humidity < 96% (non-condensing)
Classes of equipment as per IEC 60950 Class III equipment
Protection class as per IEC 60529 IP 30

 

LSN vds