Federal Signal AD-26P-8-M44 - Intercom, 12VDC, T/L Switch, Volume Control, Pre-Amp Equipped, Remote Volume Control Equipped, Panel Mount
Federal Signal

AD-26P-8-M44

Alternate Item Number: ad-26-atkinson-dynamics-intercom

UPC: 782979225317


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Overview

The Federal Signal Intercom AD-26P-8-M44 is engineered for robust and reliable communication within demanding industrial environments. Operating on a standard 12VDC power supply, this panel-mount intercom unit is designed for seamless integration into existing control systems and operator stations. Its versatile T/L (Talk/Listen) switch provides intuitive command over audio transmission, ensuring clear and efficient two-way communication. The integrated volume control allows for precise audio level adjustment, catering to varying ambient noise conditions common in industrial settings. Furthermore, the inclusion of a pre-amplifier significantly boosts audio clarity and signal strength, guaranteeing that messages are heard distinctly even over considerable distances or through noisy backgrounds. Enhancing operational flexibility, the AD-26P-8-M44 features remote volume control capabilities. This allows authorized personnel to adjust audio levels from a designated remote location, a critical feature for large facilities, control rooms, or areas where direct access to the intercom unit is impractical. This remote adjustability contributes to improved safety and operational efficiency by ensuring optimal audio performance across the entire communication network. Designed with the rigors of industrial applications in mind, the Federal Signal AD-26P-8-M44 prioritizes durability and ease of installation. Its panel-mount design facilitates straightforward integration into consoles, control panels, and operator interfaces, minimizing installation time and complexity. Federal Signal is a recognized leader in signaling and communication solutions for industrial and public safety markets, known for producing high-quality, dependable products that withstand harsh conditions. This intercom exemplifies that commitment, offering a dependable communication backbone for a wide array of industrial operations. Key features and benefits include: * **Reliable 12VDC Operation:** Compatible with standard industrial power systems. * **Intuitive T/L Switch:** Simplifies talk and listen functions for efficient communication. * **Integrated Volume Control:** Allows for on-unit audio level adjustment. * **Pre-Amplifier Equipped:** Ensures superior audio clarity and signal strength. * **Remote Volume Control:** Provides flexible audio management from a distance. * **Panel Mount Design:** Facilitates easy integration into control panels and consoles. * **Durable Construction:** Built to withstand demanding industrial environments. Typical applications for the Federal Signal AD-26P-8-M44 intercom include manufacturing plants, processing facilities, warehouses, distribution centers, control rooms, security stations, and any industrial setting requiring clear, dependable two-way audio communication. Its robust design and advanced features make it an ideal choice for enhancing operational coordination, improving safety protocols, and ensuring seamless communication flow in critical industrial operations. When selecting an intercom for your facility, consider the AD-26P-8-M44 for its proven performance and the trusted reputation of Federal Signal.
  • Federal Signal 12VDC Panel Mount Intercom
  • Features T/L Switch for intuitive communication control
  • Equipped with integrated Volume Control and Pre-Amplifier for clear audio
  • Includes Remote Volume Control capability for flexible operation
  • Designed for reliable performance in demanding industrial environments

Specifications

-31 to 150
DEG F
12
VDC
12 Vdc
V
4.38
IN
4.67
IN
6.5
in
Application
Indoor
Brand Name
Federal Signal
Frequency Response
320 Hz - 8.0 kHz
Height
4.38 IN
Length
4.67 IN
Mounting
Panel Mount
Operating Current
1.47 AMP
Operating Temperature
-31 to 150 DEG F
Operating Temperature, Maximum
150 F
Operating Temperature, Maximum
65.5556 C
Operating Temperature, Minimum
-31 F
Operating Temperature, Minimum
-35 C
Operating Voltage
12VDC
Special Features
Brushed Aluminum Construction, Includes Gasket And Stainless Steel Hardware
Standard
UL Listed/cUL Listed
Standard
UL,cUL
Sub Brand
Atkinson Dynamics
Type
Panel Mount Intercom
Type
Intercoms
Voltage Rating
12 Vdc
Width
6.5 IN
Package Dimensions (L x W x H)
5.75 IN x 6.25 IN x 7.87 IN
Package Dimensions (L x W x H)
14.605 cm x 15.875 cm x 19.9898 cm
Package Weight (Imperial)
4.000 L
Package Weight (Metric)
1.814 kg
Intercom, 12VDC, T/L Switch, Volume Control, Secondary Unit, Panel Mount

AD-26PD

Intercom, 12VDC, T/L Switch, Volume Control, Secondary Unit, Panel Mount
Atkinson Dynamics Panel Mount Intercom, 12VDC, Primary Unit, Remote Power - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.

AD-26PC-1

Atkinson Dynamics Panel Mount Intercom, 12VDC, Primary Unit, Remote Power - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.
Intercom, 12VDC, T/L Switch, Volume Control, Primary Unit, Panel Mount

AD-26PC

Intercom, 12VDC, T/L Switch, Volume Control, Primary Unit, Panel Mount
Atkinson Dynamics Panel Mount Intercom, 24VDC - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.

AD-56P

Atkinson Dynamics Panel Mount Intercom, 24VDC - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.
Intercom, 12VDC, T/L Switch, Volume Control, Call Button, Microphone Ready

AD-26A-7

Intercom, 12VDC, T/L Switch, Volume Control, Call Button, Microphone Ready
Atkinson Dynamics Panel Mount Intercom, 120VAC - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.

AD-27P

Atkinson Dynamics Panel Mount Intercom, 120VAC - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.
Atkinson Dynamics Panel Mount Intercom, 120VAC, Primary Unit - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.

AD-27PC

Atkinson Dynamics Panel Mount Intercom, 120VAC, Primary Unit - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.
Atkinson Dynamics Panel Mount Intercom, 120VAC, Call Button - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.

AD-27PA

Atkinson Dynamics Panel Mount Intercom, 120VAC, Call Button - Heavy duty tamper resistant intercom. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Requires matching Atkinson Dynamics speaker (Model AD-SF-25, AD-SS-25 or AD-SO-25). Available in 12VDC, 24VDC and 120VAC 50/60Hz. UL and cUL Listed.
Intercom, 120VAC, T/L Switch, Volume Control, Call Button, Foot Pedal Ready

AD-27A-2

Intercom, 120VAC, T/L Switch, Volume Control, Call Button, Foot Pedal Ready
Intercom, 120VAC, T/L Switch, Volume Control, Auxiliary Signal Ready

AD-27-3

Intercom, 120VAC, T/L Switch, Volume Control, Auxiliary Signal Ready
Intercom, 12VDC, T/L Switch, Volume Control, Call Button

AD-26A

Intercom, 12VDC, T/L Switch, Volume Control, Call Button
Intercom, 12VDC, T/L Switch, Volume Control, Pre-Amp Equipped, remote Volume Control equipped

AD-26-8-M44

Intercom, 12VDC, T/L Switch, Volume Control, Pre-Amp Equipped, remote Volume Control equipped

Frequently Asked Questions

What are the main applications for these intercoms?

These wall-mount intercoms are designed for single-channel, two-way indoor and outdoor communication applications.

What power options are available for the intercoms?

The intercoms are available in 12VDC, 24VDC, 120VAC, or 240VAC 50/60Hz models.

What type of enclosure does the intercom have?

The intercom features a corrosion-resistant cast aluminum housing with a rugged powder coat finish, classified as a Type 4X enclosure.

What is the speaker's power rating?

The intercoms are equipped with a reliable 25-watt speaker.

What is the operating temperature range?

The operating temperature range for these intercoms is -31°F to 150°F (-35°C to 66°C).

What are the physical dimensions of the intercom?

The intercom has a height of 9.88 inches, a width of 6.50 inches, and a depth of 5.03 inches.

What certifications do these intercoms hold?

These heavy-duty units are UL and cUL listed, CSA Certified, and Marine rated.

What is the frequency response of the intercoms?

The frequency response for all models (AD-26, AD-27, AD-56, AD-57) is 320Hz - 8.0Khz.

What is the operating current for the AD-56 model?

The AD-56 model, which operates on 24VDC, has an operating current of 1.65 A.

What is the net weight of the intercom?

The net weight of the intercom unit is 9 lbs (4.08 kg).

How to Install the AD-26P-8-M44 Intercom

This guide provides step-by-step instructions for installing and configuring the AD-26P-8-M44 intercom system, ensuring proper wiring and setup for optimal performance.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, 1K, 1W resistor

  1. Select the mounting location

    Choose a flat and rigid surface for mounting the intercom, ensuring it can support the weight of the unit. Consult with a facilities engineer for optimal placement.

  2. Mount the intercom

    Secure the intercom to the selected surface using the two mounting ears and appropriate screws. Ensure the unit is level and firmly attached.

  3. Connect the power supply

    Plug the intercom into a nearby power source. For AC models, connect the hot, neutral, and ground wires according to the power connection diagram provided in the manual.

  4. Wire the audio connections

    Connect the audio inputs in parallel using appropriately sized audio wires. Ensure connections are secure and insulated to prevent short circuits.

  5. Install the noise-reducing resistor

    If necessary, install the included 1K, 1W resistor across the audio lines to reduce noise. Only one resistor is needed for the entire system.

  6. Test the intercom system

    After all connections are made, restore power and test the intercom by pressing the talk switch and speaking into the microphone. Verify that audio is transmitted and received clearly.

  7. Provide safety instructions

    Ensure that all personnel operating the intercom are familiar with its functions and safety precautions. Distribute a copy of the installation instructions to all users.

Frequently Asked Questions about Federal Signal

What certifications and standards do Federal Signal products comply with?

Federal Signal products are certified across multiple international standards, including UL (Underwriters Laboratories) in the USA, CSA (Canadian Standards Association), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia and New Zealand). Their products meet rigorous safety and performance standards for industrial environments, with specific compliance in electrical equipment enclosures, functional safety, and environmental protection ratings.

What is Federal Signal's warranty policy?

Federal Signal offers a comprehensive limited warranty covering most products for 1-5 years from the date of delivery, with specific terms varying by product category. Mechanical sirens, beacons, speakers, and sounders typically receive 5-year parts and labor coverage, while electronic sirens and controllers generally have 2-year warranties. All warranties require return to the factory for service, and on-site services are not included. Certain components like domes, lenses, lamps, and batteries are specifically excluded from warranty coverage.

What industries and applications are Federal Signal products used for?

Federal Signal products are used across multiple critical industrial and municipal sectors for notification, communication, and safety systems. Their product lines cover essential applications including fire alarm systems, public address and telephony, outdoor warning systems, visual and audible signals, and emergency communication networks. Key industries served include manufacturing, municipal emergency services, industrial facilities, and infrastructure environments where clear, reliable communication and safety signaling are paramount.

What technical support does Federal Signal offer?

Federal Signal offers comprehensive technical support through their dedicated [email protected] email and direct phone line at +1 708.534.4756. Their support covers a wide range of notification and communication solutions, including technical assistance for products in public address, telephony, fire alarm, visual and audible signals, outdoor warning systems, and intercoms.

What are the main product lines offered by Federal Signal?

Federal Signal offers comprehensive notification and communication solutions across multiple product lines, including Visual Signals, Audible Signals, Telephony, Intercoms, Fire Alarm, Outdoor Warning Systems, Public Address, and Initiating Systems. Their product range is designed to provide clear communications and critical process notifications that enhance safety and compliance in industrial and public environments.

What are the key features of Federal Signal products?

Federal Signal products are comprehensive notification solutions designed to enhance safety and communication across industrial environments. Their key features include visual and audible signals, fire alarm systems, outdoor warning systems, public address capabilities, telephony, and intercoms. These products provide critical process notifications, ensure safety compliance, and offer advanced technologies like secure encrypted communication, cloud-based control systems, and customizable emergency response interfaces.

What environmental ratings do Federal Signal products have?

Federal Signal products offer robust environmental ratings across multiple standards, including UL 508A, CSA, NEMA, and IEC 60529. Their enclosures are rated for Type 1, 2, 3, 4, 4X, 12, and 13 environments, with IP66 protection, and can operate in temperatures ranging from -40°F to 266°F. These ratings ensure superior protection against dust, water, corrosion, and extreme conditions for indoor and outdoor industrial applications.

What accessories are available for Federal Signal products?

Federal Signal offers multiple accessories for their signaling products, including coupling kits, cable entry adapters, indicator rings, legend plates, and mounting brackets. Key accessories include E-Box endcap kits with M20 and M25 openings, U-Brackets for dual configurations, and color-coded indicator rings in black, blue, green, magenta, red, and yellow. Additional options like adapters for NPT connections and specialized mounting hardware are also available for their Global Series signaling platforms.

What communication protocols do Federal Signal products support?

Federal Signal supports multiple industrial communication protocols including PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, and Modbus RTU. These protocols enable flexible network integration across various industrial automation environments, supporting both traditional fieldbuses and modern Ethernet-based communication standards.

How are Federal Signal products typically installed?

Federal Signal products are typically installed using professional mounting configurations that include wall brackets, base stations, and specialized mounting hardware. Depending on the specific product line—such as outdoor warning systems, visual signals, or audible signals—installation involves precise mounting options like wall-mount antenna brackets, base station radio packages, and modular component assemblies. Each product configuration includes specific mounting accessories like endcaps, adapters, and terminal blocks to ensure secure and compliant installation in industrial and safety-critical environments.