Best Electrical Relays Under $50 (2026)

We ranked relays under $50 by a value score combining connectivity type, channel count, presence of power metering, user ratings, and feature-to-price balance

This roundup covers compact electrical relays and smart relay switches priced under $50, focusing on value, connectivity, and basic load monitoring for DIY and light commercial use. Selections prioritize measurable features like communication protocol, channel count, and power metering rather than brand claims

Top Picks

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    Shelly Plus 1PM UL | WiFi smart relay with power metering

    Shelly Plus 1PM UL | WiFi smart relay with power metering

    Allterco Robotics EOOD • ★ 3.9/5 • Budget

    Wi‑Fi operated smart switch relay with power metering and Bluetooth gateway. Monitor consumption and remotely control appliances; compatible with common smart home platforms. Customers praise easy setup and solid build quality

    • Power metering per channel
    • Remote control of appliances
    • UL certified and Wi‑Fi with Bluetooth gateway
    Check current price on Amazon →
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Buying Guide

Choose the right communication protocol

Pick relays that match your home or facility network—Wi‑Fi units suit direct router control while Z‑Wave (including long‑range variants) integrates with mesh smart‑home hubs and controllers

Check channel count and wiring needs

Dual‑channel relays handle two circuits independently; single‑channel units are simpler—confirm neutral/line requirements and mounting space before installation

Prefer relays with power metering

Built‑in power metering provides real‑time load data for monitoring energy use and detecting faults, useful for both smart automation and manual troubleshooting

Evaluate control options and hub dependence

Some smart relays operate hub‑free over Wi‑Fi for direct app control, while Z‑Wave devices typically require a compatible hub or controller for advanced automation

Consider certifications and regional compatibility

Ensure UL or regional safety approvals and that device variants are compatible with local mains voltage and frequency to meet code and safety expectations