SKU: K8DS-PU2

Omron K8DS-PU2 Phase Unbalance Monitoring Relay

Omron K8DS-PU2 is a phase unbalance monitoring relay for three-phase power protection.

USD 23.00 per unit, volume discounts available

  • In stock, ships in 24h
  • 100% genuine Omron
  • 1-year manufacturer warranty
  • Worldwide delivery

Key Features

  • Supply Voltage: Three-phase 200-480VAC
  • Monitoring: Phase unbalance
  • Output: SPDT relay
  • Mounting: DIN rail
  • Operating Temperature: -10 to +55°C
01 / Overview

Robust Switching Interface for High-Uptime Control Panels

The K8DS-PU2 provides a practical interface between controller outputs and field loads. In high-cycle or uptime-sensitive applications, this class of component supports cleaner switching behavior, reduced wear concerns, and easier panel-level standardization.

Controller-to-Load Interface Reliability

Relay/SSR devices isolate control electronics from field-side switching demands and provide a practical interface layer in mixed-load control systems.

High-Cycle Switching Practicality

For frequent switching duty, proper relay/SSR selection improves panel reliability and can reduce maintenance compared with under-rated or mismatched alternatives.

Panel Standardization Benefits

Using consistent relay/SSR classes across equipment simplifies wiring conventions, spare inventory, and technician troubleshooting workflows.

Typical Applications

  • Isolates controller outputs from field loads
  • Provides reliable switching for control branches
  • Supports higher cycle operation with proper selection
  • Improves panel maintainability and spare planning
  • Reduces unplanned downtime from contact wear issues
  • Enables cleaner wiring architecture in control cabinets

Buying Checklist

  • Practical controller-to-load interface
  • Supports high-duty panel switching
  • Improves reliability with proper sizing
  • Aids standardization of control wiring
  • Strong lifecycle service value
02 / Specifications

Technical Specifications

Technical specifications for Omron K8DS-PU2 Phase Unbalance Monitoring Relay
ModelK8DS-PU2
SeriesK8DS
TypePhase Unbalance Monitoring Relay
Supply VoltageThree-phase 200-480VAC
MonitoringPhase unbalance
OutputSPDT relay
MountingDIN rail
Operating Temperature-10 to +55°C
03 / FAQ

Frequently Asked Questions

What does this relay monitor?

Phase unbalance in three-phase power. Unbalance causes motor overheating, reduced efficiency. Relay detects and protects.

Why is phase unbalance important?

Phase unbalance causes motor overheating, reduced life, increased energy consumption. Relay protects motors from unbalance damage.

What's the unbalance threshold?

Adjustable unbalance threshold. Set based on motor tolerance. Check datasheet for specific range.

Does this relay provide alarm output?

Yes, SPDT relay output for alarm or shutdown.

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