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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

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