System Sensor HR-LF Low Frequency Sounder, Red, Two-Wire

  • MPN: HR-LF
  • JMAC ID: 200222288
System Sensor HR-LF Low Frequency Sounder, Red, Two-Wire
$49.90
JMAC_ID:
200222288
df_manual_boost:
1.90
Please Note: In order to keep our prices low, we have a minimum order requirement of $99
Customer Service
We're here to help
Request a Quote
Low price guarantee Low Price Guarantee
The SpectrAlert Advance HR-LF is a red, two-wire, 12/24 volt, low frequency sounder for wall or ceiling installation.

UPC: 783863044595
Also known as: HRLF, BK-HRLF

Technical Specifications:
  • Operating Humidity Range: 10 to 93% non-condensing
  • Mounting: Wall
  • Location: Indoor
  • Voltage: Regulated 12DC/FWR or regulated 24DC/FWR
  • Operating Voltage Range: 8 to 17.5 V (12V nominal) or 16 to 33 V (24 nominal)
  • Operating Temperature Range: 40F to 151F (40C to 66C)
  • FWR Max. Operating Current: (see Data Sheet for complete current draw information)
  • Dimensions: 5.6 in. L x 4.7 in. W x 1.3 in. D (142mm L x 119mm W x 33mm D)
  • DC Max. Operating Current: (see Data Sheet for complete current draw information)
  • Color: Red
  • Wiring Gauge: 12 to 18 AWG


For more information about the System Sensor HR-LF, please contact us.
  • Universal mounting plate for wall units
  • Listed for ceiling or wall mounting
  • Compatible with MDL3 sync module
  • Electrically compatible with legacy SpectrAlert devices
  • Mounting plate shorting spring checks wiring continuity before device installation
  • Plug-in design with minimal intrusion into the back box
  • Tamper-resistant construction
  • Rotary switch for low frequency sounder tone
  • Red Finish
  • 520 Hz 10% square wave tone

Other products from System Sensor

Customer Reviews

(1 review) Write a Review

1 Review

  • 5
    SYSTEM-SENSOR-HR-LF

    Posted by 98947 on May 29th 2016

Live Chat