Smart relay powered by Shelly, designed for precise control of large appliances up to 25A / 6000W. Equipped with power measurement and full Shelly capabilities, it lets you monitor and optimize energy use in homes or industrial spaces.

Device type: 25A smart switch
Device model: Ogemray SW40 PbS
1 output up to 25 A / 6000 W
Overvoltage protection with auto recovery
Overpower protection
Power metering to save energy
Supports one input with flexible configuration
Large terminals
Compact form factor
Wall mounting anchors and bracket included
Virtual components
Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
Supports KNXnet / IP communication
Wi-Fi
Bluetooth
Overvoltage protection with auto recovery
Overpower protection
Category | Specification | Value |
|---|---|---|
Physical | Size (HxWxD) | 60x51.4x24 mm / 2.36x2.02x0.94 in |
Weight | 52 g / 1.83 oz | |
Screw terminals max torque | 0.4 Nm / 3.5 lbin | |
Conductor cross section | 2.5 to 6.0 mm² / 14 to 9 AWG (solid, stranded, and boot-face ferrules) | |
Conductor stripped length | 6 to 7 mm / 0.24 to 0.28 in | |
Shell material | Plastic | |
Environmental | Ambient working temperature | -20°C to 40°C / -5°F to 105°F |
Humidity | 30% to 70% RH | |
Max. altitude | 2000 m / 6562 ft | |
Electrical | Power supply | 110 - 240 V~ 50/60Hz |
Power consumption | < 1.2 W | |
Output circuits ratings | Max. switching voltage | 240 V~ |
Max. switching current | 25 A | |
Max. power | 6000 W | |
Sensors, meters | Voltmeter (AC) | Yes |
Ammeter (AC) | Yes | |
Wi-Fi | Protocol | 802.11 b/g/n |
RF band | 2412 - 2472 MHz | |
Max. RF power | < 20 dBm | |
Range | Up to 50 m / 165 ft outdoors, up to 30 m / 99 ft indoors (depending on local conditions) | |
Bluetooth | Protocol | 5.0 |
RF band | 2402 - 2480 MHz | |
Max. RF power | < 4 dBm | |
Range | Up to 30 m / 100 ft outdoors, up to 10 m / 33 ft indoors (depending on local conditions) | |
Microcontroller unit | CPU | ESP-Shelly-C38F |
Flash | 8 MB | |
Firmware capabilities | Schedules | 20 |
Webhooks (URL actions) | 20 with 5 URLs per hook | |
Wi-Fi range extender | Yes | |
BLE Gateway | Yes | |
Scripting | Yes | |
MQTT | Yes | |
Encryption | Yes |

L1: Load circuit output terminal
S1: Switch input terminal (controlling L1)
L: Live terminal (110-240 V~)
N: Neutral terminal
COM
Adding the device to Shelly Smart Control
Do not dispose of the product in household waste. Recycle the product to prevent environmental and health damage and to promote resource conservation. Dispose of the product at an appropriate waste collection point at your own responsibility.
Resellers, from which the Device was purchased, are required to accept Waste Electrical and Electronic Equipment (WEEE) free of charge for proper disposal.
Some electronic products may store personal data. The user is responsible for deleting this data before disposing of the Device. For deletion, reset the device to its factory settings.
Ogemray 25A user manual v3.0.pdf
Ogemray 25A Ръководство за потребителя.pdf
Ogemray SW40 PbS multilingual EU Declaration of Conformity.pdf
Shenzhen Ogemray Technology Co., LTD
Address: 3,4/F, 5 Building, Dongwu Industry park, Donghuan 1st Road,
Longhua District, Shenzhen, China
Shelly Europe Ltd.
Address: 51 Cherni Vrah Blvd., bldg. 3, fl. 2-3, Sofia 1407, Bulgaria,
Email: support@shelly.cloud
Website: https://www.shelly.com