• Omron K8DT-AS Single-phase Current Relay (Overcurrent/Undercurrent, 2mA~200A AC/DC)
1 1

Omron K8DT-AS Single-phase Current Relay (Overcurrent/Undercurrent, 2mA~200A AC/DC)

Omron K8DT-AS Single-phase Current Relay (Overcurrent/Undercurrent, 2mA~200A AC/DC)

OMRON K8DT-AS Series single-phase current relay.

Key features

  • Detects motor/equipment errors through current changes
  • Overcurrent or undercurrent mode selectable
  • K8DT-AS1: 2mA~500mA
  • K8DT-AS2: 0.1A~5A (CT available)
  • K8DT-AS3: 10~200A AC (requires K8AC-CT200L CT)
  • Power supply: 24 VAC/DC or 100~240 VAC
K8DT-AS1CD K8DT-AS AS1 24 VAC/DC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 24 VAC/DC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable
K8DT-AS1TD K8DT-AS AS1 24 VAC/DC Transistor | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 24 VAC/DC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable
K8DT-AS1CA K8DT-AS AS1 100~240 VAC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 100~240 VAC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable
K8DT-AS1TA K8DT-AS AS1 100~240 VAC Transistor | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 100~240 VAC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable
K8DT-AS2CD K8DT-AS AS2 24 VAC/DC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 24 VAC/DC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS2TD K8DT-AS AS2 24 VAC/DC Transistor | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 24 VAC/DC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS2CA K8DT-AS AS2 100~240 VAC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 100~240 VAC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS2TA K8DT-AS AS2 100~240 VAC Transistor | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 100~240 VAC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS3CD K8DT-AS AS3 24 VAC/DC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 24 VAC/DC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8DT-AS3TD K8DT-AS AS3 24 VAC/DC Transistor | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 24 VAC/DC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8DT-AS3CA K8DT-AS AS3 100~240 VAC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 100~240 VAC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8DT-AS3TA K8DT-AS AS3 100~240 VAC Transistor | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 100~240 VAC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8AC-CT200L Current Transformer for K8DT-AS3 10~200A | Type: Current Transformer (CT) | Input Range: 10~100A AC / 20~200A AC | Compatible Relay: K8DT-AS3 (required, direct input not possible) | Note: Mandatory pair for K8DT-AS3; direct connection without CT is not possible
Monitoring RelaysOmron
13 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

Omron K8DT-AS Single-phase Current Relay (Overcurrent/Undercurrent, 2mA~200A AC/DC)

Brand Omron·Monitoring Relays

Available part numbers (13)

K8DT-AS1CD, K8DT-AS1TD, K8DT-AS1CA, K8DT-AS1TA, K8DT-AS2CD, K8DT-AS2TD, K8DT-AS2CA, K8DT-AS2TA, K8DT-AS3CD, K8DT-AS3TD + 3 more — see full table ↓

How to order

Send the Omron part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

RFQ List 0 →
View full details
Product codes & specifications
0 selected
RFQ List (0)
Product codeSpec
K8DT-AS1CDK8DT-AS AS1 24 VAC/DC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 24 VAC/DC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable
K8DT-AS1TDK8DT-AS AS1 24 VAC/DC Transistor | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 24 VAC/DC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable
K8DT-AS1CAK8DT-AS AS1 100~240 VAC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 100~240 VAC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable
K8DT-AS1TAK8DT-AS AS1 100~240 VAC Transistor | Type: Single-phase Current Relay | Setting Range: 2~20mA / 10~100mA / 50~500mA AC/DC | Power Supply: 100~240 VAC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable
K8DT-AS2CDK8DT-AS AS2 24 VAC/DC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 24 VAC/DC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS2TDK8DT-AS AS2 24 VAC/DC Transistor | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 24 VAC/DC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS2CAK8DT-AS AS2 100~240 VAC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 100~240 VAC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS2TAK8DT-AS AS2 100~240 VAC Transistor | Type: Single-phase Current Relay | Setting Range: 0.1~1A / 0.5~5A AC/DC | Power Supply: 100~240 VAC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Commercially available CT (0~1A or 0~5A secondary) also compatible
K8DT-AS3CDK8DT-AS AS3 24 VAC/DC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 24 VAC/DC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8DT-AS3TDK8DT-AS AS3 24 VAC/DC Transistor | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 24 VAC/DC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8DT-AS3CAK8DT-AS AS3 100~240 VAC Relay SPDT | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 100~240 VAC | Output: Relay SPDT | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8DT-AS3TAK8DT-AS AS3 100~240 VAC Transistor | Type: Single-phase Current Relay | Setting Range: 10~100A / 20~200A AC (CT required) | Power Supply: 100~240 VAC | Output: Transistor | Mode: Overcurrent or Undercurrent selectable | Note: Requires K8AC-CT200L CT (included in this family)
K8AC-CT200LCurrent Transformer for K8DT-AS3 10~200A | Type: Current Transformer (CT) | Input Range: 10~100A AC / 20~200A AC | Compatible Relay: K8DT-AS3 (required, direct input not possible) | Note: Mandatory pair for K8DT-AS3; direct connection without CT is not possible

Need a different model, or a part not listed here? Send us your parts list →

Related products

All Controllers & Meters →