FLM‑420‑RHV Relay High Voltage Interface Modules

FLM‑420‑RHV Relay High Voltage Interface Modules
  • Relay function or fan control function selectable
  • Rotary switches for automatic or manual address setting
  • LED display for operating state (can be deactivated with LSN)
  • Power supply via LSN
  • Maintains LSN loop functions in the event of wire interruption or short-circuit thanks to two integrated isolators
  • Available with surface-mounted housing or DIN rail adapter
  • Details
    Input voltage 15 V DC to 33 V DC (min...max)
    Max. current consumption 17.15 mA (normal operation and activated)
    Max. contact load 10 A at 120 V AC 10 A at 230 V AC 10 A at 24 V DC 6 A at 30 V DC
    Max. bounce period of NC contact 9 ms
    Feedback current 1 mA (EOL resistance R=3.9 kΩ)
    Feedback voltage Max. 30 V DC
    Fuses (F1, F2) 10 A / 250 V
    Operating/display elements 2 LEDs (1 x red, 1 x green)
    Function selection and address setting 3 rotary switches for
    FAN/RLHV function
    Mode LSN classic or LSN improved version
    Automatic or manual addressing
    Connections 12 threaded clamps
    Housing material
    Interface module PPO (Noryl)
    Surface-mount housing ABS/PC-Blend
    Housing color
    Interface module Off-white, similar to RAL 9002
    Surface-mount housing Signal white, RAL 9003
    FLM-420-RHV-S Approx. 126 x 126 x 71 mm(4.96 x 4.96 x 2.8 in.)
    FLM-420-RHV-D (with DIN rail adapter) Approx. 110 x 110 x 48 mm(4.33 x 4.33 x 1.89 in.)
    FLM-420-RHV-S Approx. 390 g (13.8 ounces)
    FLM-420-RHV-D Approx. 150 g (5.3 ounces)
    Permitted operating temperature -20 °C to 50 °C (-4 °F to 122 °F)
    Permitted storage temperature -25 °C to 85 °C(-13 °F to 176 °F)
    Permitted relative humidity < 96%
    Classes of equipment as per IEC 60950 Class II equipment
    Protection class as per IEC 60529
    FLM-420-RHV-S IP 54
    FLM-420-RHV-D IP 30




    LSN vds
  • Certificates (3)
  • Documents (5)

Product variants

FLM-420-RHV-D Interface module relay high-volt, rail

with 2 relay outputs (230 V), for installation on a DIN rail with adapter

Commercial Type No.: FLM-420-RHV-D
Product No.: F.01U.508.714

FLM-420-RHV-S Interface module relay high-volt surface

with 2 relay outputs (230 V), with surface-mounted housing

Commercial Type No.: FLM-420-RHV-S
Product No.: F.01U.508.710