Dahua Technology

Dahua Relay ARM7011-W2

Rs. 2,128.64

~~Rs. 2,554.36~~ Rs. 2,128.64

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Overview

The Dahua ARM7011-W2 Wireless Relay is a compact dry-contact relay module designed for remote control of low-voltage devices within Dahua AirShield alarm systems. It enables users to control power supply to external devices such as electric locks, sirens, lighting systems, and automation equipment through wireless communication.

Featuring two-way wireless communication, AES128 encryption, frequency hopping technology, and cloud firmware updates, the relay ensures secure and reliable operation. Built-in overvoltage and overheating protection further enhance system safety and long-term stability.

Key Features

✔ One relay output with NO/NC contacts

✔ Supports 0–36 VDC loads up to 5 A

✔ Dry-contact design with electrical isolation

✔ Overvoltage protection

✔ Overheating protection

✔ Supports remote control of low-voltage devices

✔ Two-way wireless communication

✔ AES128 encryption

✔ Frequency hopping technology

✔ External tamper input supported

✔ Cloud firmware upgrade and automatic recovery

✔ Communication distance up to 800 m in open area

Why Choose Dahua ARM7011-W2?

Remote Device Control

The relay allows remote switching of low-voltage devices such as locks, sirens, lights, and automation systems through the Dahua AirShield platform.

Enhanced Protection

Built-in overvoltage and overheating protection safeguard connected devices and improve system reliability.

Reliable Wireless Communication

Two-way RF communication combined with AES128 encryption and frequency hopping technology ensures secure and stable transmission.

Easy Installation

Its compact size allows installation inside junction boxes, control cabinets, or near controlled equipment.

Simple Maintenance

Cloud firmware upgrades and automatic recovery help keep the relay updated with minimal maintenance.

Technical Specifications

Feature	Specification
Product Type	Wireless Relay
Relay Output	1 Relay Output, NO/NC
Load Capacity	0–36 VDC, Maximum 5 A
Alarm Input	1 External Tamper Input (NO/NC)
Indicator Light	1 Multi-status LED Indicator
Button	1 Function Button
Remote Upgrade	Cloud Update Supported
Test Mode	Supported
Protection Features	Overvoltage Protection and Overheating Protection
Communication Mechanism	Two-Way Wireless Communication
Encryption Mode	AES128
Frequency Hopping	Supported
Wireless Frequency	433.1 MHz – 434.6 MHz
Transmission Power	Up to 10 mW
Communication Distance	Up to 800 m (Open Area)
Power Supply	7–24 VDC
Operating Temperature	-10°C to +55°C
Storage Temperature	-10°C to +55°C
Operating Humidity	10%–90% RH
Storage Humidity	10%–90% RH
Installation	Wall Mount
Casing Material	PC + ABS
Dimensions	39 × 33 × 19 mm
Net Weight	45 g
Gross Weight	60 g
Certifications	CE, FCC