Watlow LF Temperature Limit

LF Limit
Zesta Watlow LF Temperature Limit
Zesta Watlow LF Temperature Limit
The SERIES LF limit controllers offers fixed set points and can be supplied with or without an operator interface. Operating set point temperature values are customer defined in the product configuration part number.

The LF temperature limit controllers are factory mutual (FM) approved with special UL® approval for the open board potted versions. Watlow's temperature limit controllers include industry leading service and support and are protected by a three-year warranty.

Watlow: Your Heat Solutions Resource Brochure (EN)
Watlow: Vos Solutions de Chauffage Brochure (FR)
Back to Limits and Scanners

Product Features

  • Fixed set points for tamper-proof operation
  • Multiple mounting options minimizes installation time
  • Application flexibility: high or low limit, auto or manual reset, Fahrenheit or Celsius operation
  • Sensor break protection provides positive system shutdown
  • Microprocessor based technology ensures accurate, repeatable control

Product Specifications

Control/Limit Loops 0/1
Max Monitor Channels 1
Alarms 0
Mounting DIN-rail, Front panel
Profiling No
Max Output 8A
Ambient Operating Range 0 to 70°C (32 to 158°F)
Agency Approvals UL®, ANSI, CE, CSA, FM, RoHS, W.E.E.E. (including potted version)
TRU-TUNE®+ Adaptive Control No
Remote Limit Reset No
Warranty (Years) 3


User Manual

LF Series User Manual