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NIVOCONT Conductive Level Switch
Brand: Nivelco Process Control Co.
Features
- Level Switches (KRK-512):
- Level switching
- Filling-emptying control
- Selectable NO/NC relay function
- Adjustable sensitivity
- Level Switches (KRK-522):
- 2 independent relay outputs for 1 level
- 2 independent relay outputs for 2 independent levels
- 2 relay outputs for pump control
- Selectable NO/NC relay function
- Level Switches (KKH-2X2):
- Probe and relay in one unit
- 1 or 2 independent relay outputs for pump control or differential level switching
- Selectable NO/NC relay function
- Switch on/off delay
Specifications
Ambient Temperature Range
- -20° to 50° C (-4° to 122° F) - Compact Level Switch
- -20° to 55° C (-4° to 131° F) - Level Switch
Approvals & Certifications
- CE
BSP Connection
- 1-1/2” BSP Male
- 3/8” BSP Male
Capacitance
- Cable: 100 to 800 NF (100 to 5 kiloohms Sensitivity) - KRK 512 Model
- Cable: 4 NF, Max.
Class
- Electrical Protection: Class II
Consumption
- Power: 2 VA / W, Max.
- Power: 4 VA / W, Max.
- Power: 4.5 VA / W, Max.
Current
- Probe: 0.2 mA - KRK 512, KKH 212 Model
- Probe: 0.4 mA - KKH 222 Model
- Probe: 1 mA - KRK 522 Model
Delay Time
- Fixed on Delay: 1.5 seconds - KRK 512 Model
- On & Off Delay: 0.5 to 10 seconds
Electrical Connectors
- M20 x 1.5 for Diameter 6 to 12 mm Cable - Compact Level Switch
- PG9 - KSK 201 Model
- Terminal Block, Max.
Enclosure, Body Material
- ABS
- Aluminum
- PBT
- Polycarbonate
Environmental Protection
- IP20
- IP65
- IP67
- IP68
Materials of Construction
- Insulation of Socket: PFA - KSS 201, KSN 201, KSH 202, KSH 203, KSH 204 Model
- Probe Socket: 316Ti Stainless Steel, 1.4542 - KSN 201,KSH 202, KSH 203, KSH 204 Model
- Probe Socket: Carbon Steel - KSS 201 Model
- Probe Socket: Polypropylene - KSP 201, KSH 301, KSH 302, KSH 303, KSH 304 Model
Mounting
- DIN EN 60715 Rail Mounting
Output
- 16 A at 250 Vac / 24 Vdc Min. 500 mW - KRK 522 Model
- 8 A at 250 Vac/24 Vdc Min. 500 mW
Power Supply
- 110 Vac
- 230 Vac
- 24 Vac/dc
- 24-240 Vac/dc - Compact Level Switch
Pressure Range
- psi: 14.5 (kPa: 100, bar: 1) - Compact Level Switch
Principle of Operation
- Conductive
Process Temperature
- 80° C (176° F) - Max.
Sensitivity
- Adjustable: 5 to 100 kiloohms
Switch Type
- SPDT
Voltage
- Probe: 3.5 Vac - KRK 512 Model, Compact Level Switch
- Probe: 5 Vac - KRK 522 Model
- Chemical & Water Industry
- Fail-safe Indication & Pump Control
- Water Inrush Indicator