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Relays · Head to head

Aqara Single Switch Module T1 (With Neutral) vs Shelly 2PM Gen4

Full Smart Relays comparison in 2026

Updated September 2026
Data from Amazon and official Aqara and Shelly sites.
2026 verdict
The Aqara Single Switch Module T1 (With Neutral) takes this smart relay comparison, mainly on value and simplicity: it is the more affordable pick, it confirms power-off memory, and it matches the Shelly 2PM Gen4 where it counts with energy monitoring, full four-way safety protection and a Zigbee router role. The Shelly 2PM Gen4 is the more ambitious hardware, though, with two independent 16A channels, per-channel energy metering, an interlock/cover mode for roller shutters and blinds, multi-protocol connectivity (Wi-Fi, Bluetooth, Zigbee and Matter) and a 3-year warranty. Both reach Google Home, Alexa, Apple HomeKit and Home Assistant and both need a neutral wire. Choose the Aqara Single Switch Module T1 (With Neutral) when you only need to switch one circuit and want the cheaper metered module; choose the Shelly 2PM Gen4 when you need two channels or shutter automation.
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FeatureAqara Single Switch Module T1 (With Neutral)Shelly 2PM Gen4Winner
Price$16.04$38.99Aqara Single Switch Module T1 (With Neutral)
Rating4.54.6Shelly 2PM Gen4
Warranty1 year3 yearsShelly 2PM Gen4
ConnectivityZigbeeBluetooth, ZigbeeShelly 2PM Gen4
Relay Channels12Shelly 2PM Gen4
SafetyOverheating protection, Overvoltage protection, Overcurrent protection, Overpower protectionOverheating protection, Overvoltage protection, Overcurrent protection, Overpower protectionTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Energy MonitoringYESYESTie
Zibgee RouterYESYESTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Aqara Single Switch Module T1 (With Neutral)
  • Shelly 2PM Gen4

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Frequently Asked Questions

Which is better overall: Aqara Single Switch Module T1 (With Neutral) or Shelly 2PM Gen4?

The Aqara Single Switch Module T1 (With Neutral) is the better overall value for single-circuit switching, being cheaper while still offering energy monitoring, full safety protection, power-off memory and a Zigbee router. The Shelly 2PM Gen4 wins if you need two channels, shutter automation or a 3-year warranty.

What is the biggest difference between the Aqara Single Switch Module T1 (With Neutral) and the Shelly 2PM Gen4?

Channel count. The Shelly 2PM Gen4 controls two circuits and can drive a roller shutter or blind with its cover mode, while the Aqara is a single-channel switch. Both include energy monitoring and full protection, and both require a neutral wire.

Which relay can automate roller shutters or blinds?

The Shelly 2PM Gen4. Its two channels and interlock/cover mode with obstacle detection are designed to drive a shutter or blind motor from one module. The Aqara Single Switch Module T1 (With Neutral) is single-channel and cannot control a bi-directional motor on its own.

Do both relays measure energy and need a neutral wire?

Yes to both. The Aqara Single Switch Module T1 (With Neutral) and the Shelly 2PM Gen4 both include energy monitoring and both require a neutral wire at the install point, so the decision comes down to channel count, shutter control and price.

Who should buy the Aqara Single Switch Module T1 (With Neutral)?

Buy it if you only need to switch one circuit and want the more affordable metered module with full safety protection, power-off memory and a Zigbee router, within a Zigbee or Aqara ecosystem with HomeKit.

Who should buy the Shelly 2PM Gen4?

Buy the Shelly 2PM Gen4 if you need to control two circuits or automate roller shutters and blinds, want per-channel energy monitoring, a 16A rating, multi-protocol connectivity and a 3-year warranty.

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