DAHUA ARM2C0-P-W Alarm Expansion Module

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Regular price $1,000,000.00
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Quality Certifications:



Alarm Expansion Module

> 12 VDC and standard PoE power supply.
> 2-channel alarm input onboard, and 2-channel relay output onboard.
> Multiple types of zone loops such as NO/NC, 1EOL, 2EOL, and 3EOL.
> Supports 3 EOLR values (2.7 K, 4.7 K, and 6.8 K).
> Converts the wireless data form wireless peripherals into TCP/IP net working data sent to the wired control panel.
> Supports up to 1024 event buffers when the connection with the control panel is lost.
> Remote update.

Product Data


Alarm Input

2-channel dry contact input onboard
Multiple types of zone loops: NO/NC, 1EOL, 2EOL, 3EOL
3 EOLR values: 2.7 K, 4.7 K and 6.8 K

Alarm Output

2-channel relay output onboard (≤30 VDC, 1 A, resistive load only)

Wireless Peripheral

A single module supports up to 16 wireless peripherals, including sirens (no more than 6), detectors (door detectors, IR, panic buttons, single-channel input modules), and keyfobs.

Network Port

10 Mbps/100 Mbps self-adaptive Ethernet port, standard PoE


Indicator Light

Power supply indicator: Red
Wireless connection indicator: Green
Paring indicator: Green


2×, a pairing button and a button to restore the device to its factory settings

Offline Cache

Max. 1024 buffer data

Remote Update


Network Protocol



Case tamper detection

Signal Strength

Detects the wireless signal strength through the alarm controller webpage

Power Failure Protection for Configured Parameters





Operating Current

130 mA

Alarm Current

160 mA


Carrier Frequency

433.1 MHz–434.6 MHz

Communication Mechanism

Two-way communication

Communication Distance

Up to 2 km (6,561.68 ft) in an open space

Encryption Mode


Frequency Hopping



Power Supply

12 VDC/PoE (802.3af)

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Operating Humidity

10%–90% (RH)

Product Dimensions

126.0 mm × 57.0 mm × 33.2 mm (4.96" × 2.24" × 1.31")

Net Weight

230 g (0.51 lb)

Gross Weight

390 g (0.84 lb)


Wall mount

Casing Material

Electro-galvanized sheet



Anti-corrosion Level

Basic Protection

Storage Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Storage Humidity

10%–90% (RH)

Packaging Dimensions

187.0 mm × 164.0 mm × 58.0 mm (7.36" × 6.46" × 2.28")

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