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White rectangular handset with 4-inch LCD screen and coiled cord

AIPTEK

AIPTEK KB-3HRD 4-Inch LCD Video Intercom Monitor

SKU CH-CB1B-T76Z2 MPN KB-3HRD

A 4-inch LCD video intercom monitor with full-duplex handset communication, surface or desk mounting, 24V DC power and 12V AC door release

  • 4-inch LCD shows visitors clearly at the door
  • Full-duplex handset lets you speak and listen simultaneously
  • Surface or desk mounting fits different installation needs
  • Runs on 24 V DC with 410 mA peak draw
  • Door release operates at 12 V AC and 400 mA

4-Inch LCD Video Intercom Monitor

The AIPTEK KB-3HRD is a surface-mount video intercom monitor with a 4-inch LCD display. It uses a handset for full-duplex communication with visitors at a connected door station. The unit is designed for residential or small commercial entry control. It requires a 24V DC power source to operate.

Upgrades from audio-only or smaller displays

Replacing an audio-only intercom adds visual verification before granting access. The 4-inch screen provides a clearer view than smaller panels without needing a large dedicated monitor. The jump is worth it when identifying visitors visually is a priority for security. Existing wiring must support the specified 2-conductor cable type.

Fits a surface or desk mount build

The monitor mounts directly to a wall or uses the MCW-S/A bracket for desk placement. It draws 410mA and 80mA from the 24V DC supply, so the PS-2410 power supply is required. Door release operates on 12V AC at 400mA. Wiring must use Aiphone #871802 cable for proper connection.

How it compares

Measured against everything we stock in Security Camera Systems, at today’s prices. Recalculated every night.

Price $611.99
Pricier than about 74% of the 937 comparable items (median $240.99).

Specifications

No published specifications for this item yet.

Questions about this item

What type of wire and part number does the KB-3HRD require for installation?

Use 2-conductor, mid-cap, solid, non-shielded wire — Aiphone part #871802 is specified for this monitor.

Which power supply and voltage does the KB-3HRD need, and what current does it draw?

Connect a 24 V DC supply such as the PS-2410 (1 A); the unit draws 410 mA active and 80 mA standby.

What voltage and current does the door-release contact on the KB-3HRD provide?

The door-release output supplies 12 V AC at 400 mA to operate an electric strike or lock.

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