1-gang relay
1-gang relay, local and remote control.

1-Gang Wall Switch
The WS501 is a 1-Gang Wall Switch. Built-in metering reports voltage, current, power factor, active power and energy consumption, with overcurrent protection to guard connected loads.
Dispatch and lead time are confirmed in the quote.
Manufacturer warranty24 months
Overview
The WS501 is a LoRaWAN 1-gang smart wall switch for local and remote control of lights and electrical appliances. It uses standard wall-switch sizes, so it can replace a traditional switch directly while adding wireless control and energy insight.
A high-reliability relay switches loads locally at the button or remotely over LoRaWAN. Class C operation keeps the switch always listening, so remote commands act instantly.
Built-in metering reports voltage, current, power factor, active power and energy consumption, with overcurrent protection to guard connected loads.
Milesight D2D lets the WS501 respond directly to other Milesight devices without a gateway, while multicast can switch many units at once for scenes and large sites.
Available in EU 86-type and US 118/120-type sizes, the WS501 drops into existing pattress boxes. An ice-blue indicator makes it easy to find in the dark.
One-touch NFC configuration through the Milesight ToolBox app makes setup quick, with card emulation mode for fast deployment.
1-gang relay, local and remote control.
Energy metering: voltage, current, power, kWh.
Overcurrent protection.
Ice-blue switch indicator for dark rooms.
Milesight D2D and multicast bulk control.
One-touch NFC configuration.
Replaces a standard wall switch directly.
EU 86-type and US 118/120-type sizes.
Technical data
| Specifications | |
|---|---|
| Circuit Type | 3-wire (neutral required) |
| Switch Indicator | Ice blue |
| Input Voltage | 100 ~ 250 VAC, 50 ~ 60 Hz |
| Maximum Current | Inductive: 5 A per gang, total 10 A; resistive: 10 A per gang, total 10 A |
| Rated Load | Max 1000 W per gang, total 0 ~ 2000 W |
| Terminal | SPST |
| Switch | 1-gang (86-type and 120-type) |
| Measurement | Voltage, current, power factor, active power, consumption (kWh) |
| Measurement Accuracy | Typ. ± 3%, max ± 5% (± 1% customisable) |
| Specifications | |
| Technology | LoRaWAN®, Milesight D2D |
| Antenna | Internal antenna |
| Frequency | CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
| Tx Power | 16 dBm (868 MHz) / 22 dBm (915 MHz) / 19 dBm (470 MHz) |
| Sensitivity | −137 dBm |
| Mode | OTAA/ABP Class C |
| Specifications | |
| Configuration | Mobile app via NFC or downlink |
| Switch Control | Local press or remote control |
| Advanced Features | Delay switch, switch lock, overcurrent protection, multicast, Milesight D2D agent and controller |
| Specifications | |
| Ingress Protection | IP20 |
| Material & Colour | Polycarbonate (UL94 V0), white (customisable) |
| Weight | 86-type: 94 g; 120-type: 100.4 g |
| Dimensions | 86-type: 86 × 86 × 40 mm; 120-type: 118 × 72 × 46.9 mm |
| Operating Temperature | −20 °C ~ +60 °C |
| Relative Humidity | 0 ~ 95% (non-condensing) |
| Installation | Wall mounting |
| Specifications | |
| Regulatory | CE, FCC |
| Environmental | RoHS |
No specification rows match the filter.
Applications
Offices and common areas switch lighting locally or remotely and track energy use. Multicast control manages many switches across floors at once.
Hotels automate room lighting and integrate with scenes and sensors. The familiar switch design keeps operation intuitive for guests.
Galleries control lighting precisely while monitoring consumption. D2D enables instant local automation without a gateway nearby.
Homes gain remote and scheduled lighting control with energy insight. LoRaWAN gives wide, low-power coverage with minimal wiring.
Questions
100–250 V, according to the specification.
IP20, according to the specification.
–20 … +60 °C, according to the specification.
CN470/IN865/RU864/EU868/US915/, according to the specification.
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Manufacturer warranty24 months
Europe & United Kingdom
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