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Warrick LWC-700/720 Series Low Level Cut Off and Pump Up Control
Brand: Gems Sensors, IncGems LWC-700 is designed for boiler low-water cutoff protection, and offers the most compact internally mounting package for boiler and steam generators.
The 720 Series includes the low-water cutoff function and adds pump up control for more sophisticated and convenient automation. For added safety, the sensor assembly incorporates redundant reed switches at the actuation level.
The LWC-700 and LWC-720 Series are ideal for R.O., distilled, or deionized water systems.
Features- Internal mounting
- Meets CSD1 requirements
- UL recognized "Limit Control"
- Compact size
- Options include: Manual reset, power outage feature and test feature
- Power Outage feature allows for resets after nuisance power outages
- Reset button feature to be used when device has been deactivated due to low water condition. A reset is activated only after water has returned to normal level
Specifications
Brand
Ambient Temperature Range
- -40° to 66° C (-40° to 150° F)
Approvals & Certifications
- UL Recognized Per UL 353, Limit Controls (For Supply Voltages of 120 Vac or Less)
Delay Time
- 0.5 second on Rising Level
Electrical - Free Leads
- Wire, 22 AWG Teflon
Electrical Connectors
- 1/2" NPT Male
Electrical Contacts
- Normally Closed
- Normally Open
Electrical Rating
- 1 A at 120, 208 / 240, 240 Resistive (66° C / 150° F)
- 1/3 hp at 120, 208/240, 240 Vac
- 10 A at 120 / 220/240 Vac Resistive (49° C / 120° F)
Environmental Protection
- IP10
- NEMA 1
Mounting Position
- Vertical, J-Box Up
NPT Connection
- 1" NPT Male
O-Ring Material
- Viton
Pressure Rating
- psi: 150 (kPa: 1,034, bar: 10.34)
Sensitivity
- 10K
Sensor Circuit
- Secondary Circuit: < 1 mA
- Secondary Circuit: 2.3 Vac RMS
Stem Material
- Brass
- Stainless Steel
Switch Type
- SPDT, Dry Contacts
Temperature Range
- -18° to 151° C (0° to 305° F)
- Maximum
Tolerance
- Tolerence on Actuation Levels: ± 1/8" (3.2 mm)
UNF/UNC Connection
- 1-5/16"-UNF Male
Wetted Materials
- 316 Stainless Steel
- Brass
- Stainless Steel