Omron K8AK-PM2 Phase Monitoring Relay – 3-Phase, 220–480VAC, DIN Rail

The Omron K8AK-PM2 is a three-phase voltage and phase-monitoring relay designed to provide continuous protection against over-voltage, under-voltage, phase loss, and phase sequence faults in both 3-wire and 4-wire systems. Operating across a wide voltage range of 220–480 VAC, this relay ensures safe and reliable operation for motors, pumps, compressors, and automation panels.

With a compact 22.5 mm width, DIN rail mount, and screw terminal connections, the K8AK-PM2 offers easy installation and dependable electrical contact. It features dual SPDT relay outputs for flexible control configurations and superior system integration.

Technical Specifications

Model: K8AK-PM2 Omron
Series: K8AK Phase Monitoring
Function: 3-phase voltage & phase condition monitoring
Monitoring Type: Over/Under Voltage, Phase Loss, Phase Sequence
Form Factor: DIN Rail – Slim 22.5 mm Width
Connection Method: 3-wire or 4-wire systems
Terminal Type: Screw terminals
Ideal For: Industrial motor protection, automation systems, HVAC, and pump control

Electrical Specifications

• Supply Voltage: 220–480 VAC
• Frequency: 50/60 Hz
• Monitoring Range: Over/Under Voltage, Phase Loss, Phase Sequence
• Output Type: Relay (Electromechanical)
• Output Contacts: 2 x SPDT (changeover)

I/O & Communication Interfaces

• Output Relays: 2 x SPDT
• Signal Indicators: LED status indicators
• Communication: Not supported

Mechanical Specifications

• Width: 22.5 mm
• Mounting: DIN rail 35 mm
• Case Material: Industrial-grade polymer
• Body Colour: Black
• Wiring Method: Screw terminals

Environmental Specifications

• Humidity: 5–95% RH (non-condensing)
• Operating Temperature: –20°C to +60°C (derating above 55°C)
• Application Category: Industrial low-voltage systems

Compliance & Certifications

• CE Marked: Yes
• UL / cUL Listed: Yes
• RoHS Compliant: Yes
• Standards: IEC/EN 60255, IEC/EN 60947-5-1

Key Features & Benefits

✅ Comprehensive 3-Phase Protection. Monitors over/under voltage, phase loss, and sequence faults.

✅ Dual SPDT Outputs. Allows independent control or alarm configurations.

✅ Wide Operating Range (220–480 VAC). Compatible with various global supply systems.

✅ Compact 22.5 mm DIN Design. Saves panel space and simplifies wiring.

✅ Screw Terminals. Secure, vibration-resistant electrical connections.

✅ LED Status Indication. Provides clear visual feedback of operating conditions.

📦 Order the Omron K8AK-PM2 from Drive Outlet Megastore

At Drive Outlet Megastore, we provide unbeatable Omron K8AK-PM2 prices, offering robust three-phase protection for demanding electrical and automation systems. Built for safety, reliability, and long-term performance in industrial environments.

Check stock now or request a quote.

Reliable monitoring. Trusted protection. Omron innovation — only at Drive Outlet Megastore.