![[OMRON] — K8DT-PZ Three-phase Voltage/Asymmetry/Phase-sequence/Phase-loss Relay (200~480VAC)](https://img.prosourcemro.com/2026/05/001-426-1024x768.png)
Monitoring Relays
Omron
[OMRON] — K8DT-PZ Three-phase Voltage/Asymmetry/Phase-sequence/Phase-loss Relay (200~480VAC)
Family ID: OMRON-K8DT-PZ
OMRON K8DT-PZ Series three-phase relay. Detects overvoltage, undervoltage, voltage asymmetry, phase sequence errors, and phase loss. Input range set with rotary switch. Power supply = rated input voltage. K8DT-PZ1: 200/220/230/240 VAC. K8DT-PZ2: 380/400/415/480 VAC. Relay SPDT or Transistor output.
4 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| K8DT-PZ1CN | K8DT-PZ PZ1 3-phase 3-wire 200/220/230/240 VAC Relay SPDT | OMRON | Type: Three-phase Voltage/Asymmetry/Phase-sequence/Phase-loss Relay | Function: Overvoltage + Undervoltage + Voltage asymmetry + Phase sequence + Phase loss | Rated Input Voltage: 3-phase 3-wire 200/220/230/240 VAC | Input Range Setting: Rotary switch | Power Supply: Same as rated input voltage | Output: Relay SPDT | ||
| K8DT-PZ1TN | K8DT-PZ PZ1 3-phase 3-wire 200/220/230/240 VAC Transistor | OMRON | Type: Three-phase Voltage/Asymmetry/Phase-sequence/Phase-loss Relay | Function: Overvoltage + Undervoltage + Voltage asymmetry + Phase sequence + Phase loss | Rated Input Voltage: 3-phase 3-wire 200/220/230/240 VAC | Input Range Setting: Rotary switch | Power Supply: Same as rated input voltage | Output: Transistor | ||
| K8DT-PZ2CN | K8DT-PZ PZ2 3-phase 3-wire 380/400/415/480 VAC Relay SPDT | OMRON | Type: Three-phase Voltage/Asymmetry/Phase-sequence/Phase-loss Relay | Function: Overvoltage + Undervoltage + Voltage asymmetry + Phase sequence + Phase loss | Rated Input Voltage: 3-phase 3-wire 380/400/415/480 VAC | Input Range Setting: Rotary switch | Power Supply: Same as rated input voltage | Output: Relay SPDT | ||
| K8DT-PZ2TN | K8DT-PZ PZ2 3-phase 3-wire 380/400/415/480 VAC Transistor | OMRON | Type: Three-phase Voltage/Asymmetry/Phase-sequence/Phase-loss Relay | Function: Overvoltage + Undervoltage + Voltage asymmetry + Phase sequence + Phase loss | Rated Input Voltage: 3-phase 3-wire 380/400/415/480 VAC | Input Range Setting: Rotary switch | Power Supply: Same as rated input voltage | Output: Transistor |
