Omron K8AK-VW3 100–240VAC Voltage Monitoring Relay – 1-Phase, 20–600VAC/DC, 2 x SPDT
The Omron K8AK-VW3 100–240VAC is a robust single-phase voltage monitoring relay designed to detect overvoltage and undervoltage conditions in industrial and automation systems. Supporting a wide 20–600VAC/DC voltage range, it provides dependable protection for electrical panels, machinery, and process control equipment.
Powered by a 100–240VAC supply, this 22.5 mm-wide DIN-rail mounted relay features two SPDT relay outputs for flexible control logic. Its screw terminal connections and configurable setpoints ensure straightforward installation, while Omron’s high-quality design delivers long-term performance and reliability in demanding environments.
Technical Specifications
Model: K8AK-VW3 Omron
Series: K8AK-VW Voltage Monitoring
Function: Over/Under voltage supervision
Monitoring Application: Single-phase voltage protection
Voltage Range: 20–600 VAC/DC
Form Factor: DIN Rail – 22.5 mm Width
Connection Method: Screw terminals
Ideal For: Electrical panels, control cabinets, automation systems, and voltage protection
Electrical Specifications
- Supply Voltage: 100–240 VAC
- Voltage Sensing Range: 20–600 VAC/DC (selectable input range)
- Output Type: Relay (Electromechanical)
- Output Contacts: 2 x SPDT (changeover)
- Control Function: Overvoltage and undervoltage detection
- Rated Frequency: 50/60 Hz
I/O & Control Interface
- Output Relays: 2 x SPDT
- Indicators: LED status indicators for output and alarm conditions
- Reset Type: Manual or automatic (selectable)
- Adjustment Range: Independent overvoltage and undervoltage setpoints
- Response Time: Adjustable delay to prevent false tripping
Mechanical Specifications
- Width: 22.5 mm
- Height: 90 mm
- Depth: 100 mm
- Mounting: DIN rail 35 mm
- Terminal Type: Screw connection
- Case Material: Industrial-grade polymer
- Body Colour: Black
- Weight: Approx. 100 g
Environmental Specifications
- Operating Temperature: -20°C to +60°C
- Storage Temperature: -25°C to +70°C
- Humidity: 5–95% RH (non-condensing)
- Protection Rating: IP20
- Application Category: Industrial control and automation systems
Compliance & Certifications
- CE Marked: Yes
- UL / cUL Listed: Yes
- RoHS Compliant: Yes
- Standards: IEC/EN 60947-5-1, UL 508
Key Features & Benefits
✅ Wide 20–600V Range. Monitors both AC and DC voltage systems.
✅ 100–240VAC Supply. Compatible with standard industrial power sources.
✅ Dual SPDT Outputs. Enables independent over/under voltage signaling.
✅ LED Indicators. Provide instant visual status feedback.
✅ Compact DIN Design. Saves panel space without sacrificing reliability.
✅ Adjustable Response Delay. Prevents nuisance tripping during transient events.
📦 Order the Omron K8AK-VW3 100–240VAC from Drive Outlet Megastore
At Drive Outlet Megastore, we provide unbeatable Omron K8AK-VW3 100–240VAC prices, delivering dependable voltage monitoring solutions for industrial automation and process control systems. Compact, configurable, and engineered for long-term reliability.
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Protect your power. Monitor with precision. Omron reliability — only at Drive Outlet Megastore.

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