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NBA-2/NBE-2 Bypass Level Switch
Brand: KOBOLD Instruments, Inc
KOBOLD bypass level switches of model NBA/NBE are used when, for example, level monitoring in the bypass is needed due to lack of space (with agitators) or at high temperatures.
The instrument comprises a metal housing with internally mounted magnetic level switch and operates on the principle of communicating tubes.
As soon as the housing of the bypass level switch is filled about half way with liquid, the float moves to the top and operates with the internal ring magnet a changeover contact fitted in the measuring tube.
Solenoid valves, signal lamps or pumps are switched by the changeover contact by means of suitable electrical auxiliaries (relay, contactor relay).
Specifications
Brand
Ambient Temperature Range
- -25° to 80° C (-13° to 176° F)
Applications
- Safe Level Monitoring
Approvals & Certifications
- CE
BSP Connection
- G 3/8” Female - NBA
- 1/2” BSPT Male - NBE
Cable Entry
- M16 x 1.5
Cable Length
- 0.016 to 0.03 feet (5 to 9 metres)
Connection Material
- Aluminum
- Plastic
Current
- Maximum
Dimensions
- 1.97” x 1.77” x 1.18” (50 x 45 x 30 mm), Aluminum - Electrical Connection Box (NBA)
- Ø 3.15” (80 mm), Plastic - Electrical Connection Box (NBE)
Electrical Connectors
- M16 x 1.5
Electrical Contacts
- Changeover Contact
Electrical Rating
- Maximum
Enclosure, Body Material
- Aluminum
- Stainless Steel
Environmental Protection
- IP65
Hysteresis
- 0.28” (7 mm)
Materials of Construction
- 316Ti Stainless Steel - Measuring Tube & Float
- Rhodium - Contact Material
Maximum System Pressure
- psi: 145 (bar: 10, kPa: 1,000)
Output
- Relay
Process Temperature
- -40° to 90° C (-40° to 194° F)
Screw Material
- PTFE - Drain Screw
Seat / Seal Material
- NBR
- PTFE
Switch Type
- Single-Pole Change-Over Switch