CM-KRN 1SVR450089R0000 ABB CM-KRN Contact protection relay 2c/o, 0.05-30s, 24VAC View larger
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CM-KRN 1SVR450089R0000 ABB CM-KRN Contact protection relay 2c/o, 0.05-30s, 24VAC




CM-KRN Contact protection relay 2c/o, 0.05-30s, 24VAC

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Electric Relays Switch

Electronic relays


* Brand new product in its original packaging covered by the warranties and certifications provided by ABB

* This article is obsolete. Please ask us for a quotation and we will check if there are units available or we will offer you an alternative product.

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The CM-KRN relay is from the CM contact protection relay range. This protection relay operates with a rated control supply voltage of 24 V AC, has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A and works according to the open-circuit principle. It acts as two-position switch and protects and reduces load from sensitive control contacts. It can be used with or without latching function. The bounce time of control contacts can be bypassed by the adjustable response delay time (0.05-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory.


  • EAN:
  • Minimum Order Quantity:
    1 piece
  • Customs Tariff Number:


  • Product Net Width:
    45 mm
  • Product Net Height:
    78 mm
  • Product Net Depth:
    100 mm
  • Product Net Weight:
    0.272 kg

Container Information

  • Package Level 1 Units:
    1 piece
  • Package Level 1 Width:
    81 mm
  • Package Level 1 Height:
    106 mm
  • Package Level 1 Length:
    46 mm
  • Package Level 1 Gross Weight:
    0.298 kg


  • Function:
    Contact protection
  • Rated Control Supply Voltage (Us):
    24 V AC
  • Output:
    2 c/o (SPDT) contacts
  • Time Range:
    0.05-30 s, ON-delay
  • Terminal Type:
    Screw Terminals


  • RoHS Status:
    Following EU Directive 2002/95/EC August 18, 2005 and amendment

Certificates and Declarations (Document Number)


  • Object Classification Code:
  • ETIM 4:
    EC002498 - Accessories for low-voltage switch technology
  • ETIM 5:
    EC002498 - Accessories for low-voltage switch technology
  • eClass:
    7.0 27379201

Datasheet - PDF

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