---
lang: "en"
title: "TCW181B-CM: 8-relay board controllable via ethernet and smartphone"
sku: "TCW181B-CM"
canonical_url: "https://shop.marcomweb.it/en/remote-io/tcw181b-cm-8-relay-board-controllable-via-ethernet-and-smartphone"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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8-relay board controllable via ethernet, web interface or SNMP, and smartphone, thanks to the free APP

This device can be used as a standalone or as part of control and monitoring systems.
Its I/O interface - 8 relay outputs and 1 digital input - is suitable for solving specific problems in various sectors such as remote control, process automation, home automation and others.

## **Features**

- 10 Mbps Ethernet port
- password-protected web interface configuration and control
- 1 digital input with "logic level" and "dry contact" modes
- 8 relays with NO and NC contacts
- SNMP v.1, ICMP and VLAN support
- Sending SNMP trap messages under certain conditions
- Sending email messages under certain conditions
- SMTP with authorization (SSL is not supported)
- MAC address filtering
- remote FTP firmware update.
- Power supply: 12 (+/-2) VDC
- Maximum current draw (with all relays ON): 370 mA
- Weight: 205gr
- Dimensions: 115x 90 x 40 mm
- Operating temperature: 0 ~ 40 °C
- Minimum ON state voltage input: 2.5VDC
- Maximum OFF state voltage input: 0.8 VDC
- Maximum current switchable by relay (at 220VAC): 1 A
- Maximum voltage: 30 VAC / 24 VDC

The Apps for product use can be downloaded from the following links:

[ANDROID](https://play.google.com/store/apps/details?id=cc.teracom.app.android)

[ITUNES](https://itunes.apple.com/us/app/tcw-control/id909213142?mt=8)

---

Source: https://shop.marcomweb.it/en/remote-io/tcw181b-cm-8-relay-board-controllable-via-ethernet-and-smartphone

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.