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660 Series Multi-Point RF Level Switch
Brand: SOR IncThe 660 Series provides the options of multiple point switching plus narrow and wide differential switching.
By combining these features, the 660 Series units can be used for a wide variety of control needs.
The available switching combinations are designed to provide multiple alarms, pump/valve control, or a combination of alarms and equipment control.
The 660 Series makes it possible to combine up to four single point devices into one package for reduced maintenance.
Switching Combinations: The 660 Series has eight different combinations of fixed differential and/or adjustable differential switching points.
Each unit is equipped with one of four discreet switching points. These points can be used to provide true point level sensing with no level differential, or latched together to provide wide, adjustable differential.
Features- Up to 4-point indication
- Suitable for 12 Vdc service
- FM approved and CSA certified for hazardous locations
- Field-selectable failsafe
- Resists process media coating
Specifications
Brand
Adjustment Type
- Field Adjustable Fail-safe
Ambient Temperature Range
- -40° to 71° C (-40° to 160° F)
Approvals & Certifications
- CSa
- FM
- Certificate of Calibration
- Compliance / Conformance
- Inspection Certificate
- Insulation Resistance
Cable Length
- 4,000 ft (1,219 m)
Cable Type
- 22 AWG Shielded Twisted Pair Cable
Conduit Connection
- 1" NPT Female
Delay Time
- 0.5 second Time Delay ON/OFF
- 60 seconds Time Delay ON/OFF
Distance
- Maximum
Electrical Protection
- Electrostatic Discharge Protection 8,000 V
- Line Surge Suppression 1,000 V, Line Voltage EMC
Enclosure Finish
- Housing Exterior: Fungicidal Varnish
- Powder Epoxy Coated
Environmental Protection
- Explosion-proof
- IP65
- IP66
- NEMA 4X
Input Power
- 12 Vdc
- 120 Vac, 50/60 Hz
- 24 Vdc
- 240 Vac, 50/60 Hz
Maximum Current
- 123 mA, 24 Vdc
- 245 mA at 12 Vdc
- 36 mA, 240 Vac
- 74 mA, 120 Vac
Measuring Range
- 0 to 2,000 PF
Mounting
- Pipe Mounting Kit
- Remote Electronics Flat-Surface Mounting Bracket
Name Plate, Tag Material
- Stainless Steel
- Fiber
NPT Connection
- 1" NPT Male
- 1-1/2" NPT Male
- 2" NPT Male
- 3/4" NPT Male
Output
- 10 A DPDT at 250 Vac
- 10 A DPDT at 30 Vdc
Repeatability
- 0.5%
Response Time
- 0 to 30 seconds
Sensitivity
- 0.5 PF
Switch Points
- 4
Switch Type
- DPDT