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Siedle Interfacing relay AR-402-0 / AR4020

  • Siedle Interfacing relay AR-402-0 / AR4020
  • Siedle Interfacing relay AR-402-0 / AR4020
  • Siedle Interfacing relay AR-402-0 / AR4020
1 4

Siedle Interfacing relay AR-402-0 / AR4020

€90,00
€90,00
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Siedle Interfacing relay AR-402-0 / AR4020Siedle Interfacing relay AR-402-0 / AR4020Siedle Interfacing relay AR-402-0 / AR4020

Siedle AR 402-0 Interfacing Relay

4-changeover contact switch panel relay for intercom and building communication special circuits

Overview

The Siedle AR 402-0 is an interfacing relay in a switch panel housing designed for special circuits with 4 changeover contacts. It is system-independent and mounts on standard DIN rail with a width of 3 modular units. Operating on a 6-12V control voltage with 100mA control current, this relay is well suited for interfacing tasks within intercom and building door communication systems, or other low-voltage control applications requiring multiple changeover switching points.

Key Features

  • 4 changeover contacts: Provides four independent SPDT switching points for special circuit interfacing.
  • Low control voltage/current: Operates from 6-12V at just 100mA control current.
  • System-independent design: Compatible across different building communication and control systems.
  • Compact DIN rail mounting: 3 modular widths (HP) for space-efficient panel installation.
  • IP20 protection: Standard indoor control panel protection rating.

What's Included

Item Function Qty
Siedle AR 402-0 Relay Interfacing relay, 4 changeover contacts 1

Brand: Siedle | Model: AR 402-0 / AR4020

Technical Specifications

Control voltage / current: 6-12V, 100mA.

Contact type: 4 changeover switches, 24V, 1A.

Protection system: IP20.

Ambient temperature: 0°C to +40°C.

Horizontal pitch (HP): 3.

Dimensions (W x H x D): 53.5 x 89 x 60 mm.

Compatibility & Applications

This relay is designed for intercom and building door communication systems requiring interfacing between low-voltage control circuits and switched loads, such as door releases, lighting, or auxiliary equipment. Its system-independent design makes it a practical fit for integrators working with Siedle or other compatible building communication installations.

A1Customer — Industrial Automation Equipment | Tampere, Finland
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