Device profile · Specifications & compatibility

Shelly 2PM Gen4

Shelly · Relays · Model S4SW-002P16EU

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  • Shelly 2PM Gen4 lists Relay Channels: 2; Resistive Maximum Load Current: 16A; Matter.
  • Check whether the outputs are independently controlled and confirm the rating for each channel.

Browse more from Shelly or explore all relays in our catalog.

Recorded year
2025
Recorded warranty
3 years
Dimensions
42 x 37 x 16 mm
Weight
30g

The details that shape your choice

Shelly 2PM Gen4 Quick Features

Start with these specifications, then check the full details and conditions below.

All specifications →
Relay Channels
2
Resistive Maximum Load Current
16A
2.4 GHz Wi-Fi
Yes
Bluetooth
Yes
Zigbee
Yes
Automations
Yes

Make the differences clear

Which device fits your setup?

Choose another model to compare features, connections and requirements side by side.

From specification to decision

Shelly 2PM Gen4: Capabilities And Limitations

Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.

What it offers

  • Matter support is listed, making it a candidate for a compatible Matter setup after model and feature checks. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.

    View Matter details →
  • A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.

    View Home Assistant details →
  • Apple Home support is listed as an integration option. Check the model, firmware, exposed controls and any additional hardware requirements. Via Matter

    View Apple Home details →

What to consider

No specific limitation is established here. Check installation requirements and compatibility before choosing.

About our sources and comparison method →

Questions About Shelly 2PM Gen4

How many relay channels does Shelly 2PM Gen4 have?

Relay Channels: 2. Check whether the outputs are independently controlled and confirm the rating for each channel.

View Relay Channels specifications →

What is the resistive-load current of Shelly 2PM Gen4?

Resistive Maximum Load Current: 16A. Verify the actual load type, voltage and installation requirements before selecting the device.

View Resistive Maximum Load Current specifications →

Does Shelly 2PM Gen4 support Matter?

Yes, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.

View Matter specifications →

Does Shelly 2PM Gen4 work with Home Assistant?

Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.

View Home Assistant specifications →

Does Shelly 2PM Gen4 work with Apple Home?

Yes, according to the listed specifications. Check the model, firmware, exposed controls and any additional hardware requirements. Via Matter

View Apple Home specifications →

Explore the full picture

Shelly 2PM Gen4 Specifications

Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.

0 of 46 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →

46 of 46 specifications · 5 sections

Features12 fields
Features specifications
Relay Channels2
Energy MonitoringYes
Details & conditions

Built-in power metering per channel

Power Off MemoryNot recorded
Wireless Switch ModeNot recorded
Dry Contact ModeNot recorded
Wet Contact ModeNot recorded
Interlock ModeYes
Details & conditions

Cover mode for roller shutters, blinds and gates with obstacle detection

Din Rail MountNo
On Off ButtonNo
AutomationsYes
Zigbee RouterYes
OtaYes
Power17 fields
Power specifications
Ac PowerYes
Ac Load Voltage110-240 V
Resistive LoadYes
Resistive Maximum Load PowerNot recorded
Resistive Maximum Load Current16A
Inductive LoadYes
Inductive Maximum Load PowerNot recorded
Inductive Maximum Load CurrentNot recorded
Capacitive LoadYes
Capacitive Maximum Load PowerNot recorded
Capacitive Maximum Load CurrentNot recorded
Dc PowerNot recorded
Dc Maximum Load PowerNot recorded
Dc Maximum Load CurrentNot recorded
Dc Load VoltageNot recorded
Neutral RequiredYes
Idle ConsumptionNot recorded
Connectivity7 fields
Connectivity specifications
2.4 GHz Wi-FiYes
5 GHz Wi-FiNo
BluetoothYes
Details & conditions

Functions as a Bluetooth gateway

Z WaveNo
ZigbeeYes
ThreadNo
Radio FrequencyNo
Integrations6 fields
Integrations specifications
Google HomeYes
AlexaYes
Apple HomeYes
Details & conditions

Via Matter

SmartThingsYes
Home AssistantYes
MatterYes
Safety Features4 fields
Safety Features specifications
Overheating ProtectionYes
Overvoltage ProtectionYes
Overcurrent ProtectionYes
Overpower ProtectionYes

How this device compares

Shelly 2PM Gen4 vs Other Similar Models

Statistical context from 48 relays in this catalog. These figures describe our recorded data, not independent measurements.

Recorded feature coverage

Interlock Mode: 5 of 45 known answers are Yes

Features: 11% among explicit Yes/No answers; 3 of 48 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Energy Monitoring: 21 of 48 known answers are Yes

Features: 44% among explicit Yes/No answers; 0 of 48 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

2.4 GHz Wi-Fi: 24 of 48 known answers are Yes

Connectivity: 50% among explicit Yes/No answers; 0 of 48 devices have no resolved answer. Check the specifications for this model’s conditions.

Brand representation in this directory

17 of 48 models are from Shelly

Counts relays listed here, not sales or market share. Catalog inclusion does not imply a recommendation.

What Should You Verify Before Buying Shelly 2PM Gen4?

These checks describe relays requirements. Confirm each one against the exact model’s current manufacturer documentation and your installation.

  1. Distinguish dry-contact and powered-output requirements.
  2. Verify load ratings for the actual load type, not only resistive loads.
  3. Check channel count, enclosure space and wiring instructions.
  4. Confirm local input behavior and recovery after a power interruption.

Side-by-side specification comparison

Compare Shelly 2PM Gen4 vs Similar Relays

See how Shelly 2PM Gen4 stacks up against other relays in this catalog. Compare specifications, compatibility and pricing.

Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.