K-552B - NC Type HV - Manufacturing Proximity switch and Fluid level sensor
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K-552BProduct characteristics


Product Figure


Electrical Parameters

Contact Form NC 
Switching Power max W 50
Breakdown Voltage min kv/DC 10
Switch Voltage(AC/DC) max kv 7.5
Switching Current max 2
Contact Resistance max 150
Nominal Voltage   VDC 12/24
Pull-in Voltage max VDC 9/18
Drop-out Voltage max VDC 8.9/17.9
Coil Resistance min  Ω 275/1100
Operate time max MS 2.6
release time max MS 3.6
Breakdown Voltage Coil min kv/DC 15


  • 1.All Products are RoHS, REACH, FDA compliant. All raw material are UL approved.
  • 2. Above are all standard products.
  • 3."NO" means normally open,"NC" means normally closed;SPDT is single-pole double-throw,means change-over.
  • 4.Customized products are available. Please feel free to click "contact us" for better solution.