
Federal Signal 310X-MV AudioMaster Two-Way Intercom, Hazardous Location, UL and cUL CID2, Multi-voltage 24VDC…
Alternate Item Number: 310x-mv-audiomaster-haz-loc-two-way-intercom
UPC: 782979391036
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Multi-voltage operation: 24VDC or 120-240VAC input
- UL/cUL Class I, II, III Division 2 certified for hazardous locations
- Type 4X/IP65 dust- and water-tight enclosure (-31°F to 150°F operation)
- 25-watt speaker with 150Hz-12kHz frequency response
- Auxiliary remote device activation (horn/light) and balanced line output
Specifications
-31 to 150 | DEG F |
24, 120, 240 | VAC/VDC |
24VDC, 120VAC, 240VAC | V |
5.0 | IN |
6.5 | in |
9.88 | IN |
Application | Indoor/Outdoor |
Brand Name | Federal Signal |
Enclosure | Type 4X, IP65 |
Frequency Response | 150 Hz - 12 kHz |
Height | 9.88 in |
Height | 250.952 mm |
IP Rating | IP65 |
Length | 5 in |
Length | 127 mm |
Material | Heavy-duty, dust- and water-tight enclosure |
Mounting | Wall |
Nema Rating | Type 4X |
Number Of Lines | One |
Operating Current | 0.465 @ 24VDC/0.163 @ 120VAC/0.082 @ 240VAC 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 | 24VDC/120VAC 50-60Hz/240VAC 50-60Hz |
Series | AudioMaster |
Special Features | Balanced Line Output |
Standard | CSA,Marine,UL,cUL |
Standard | UL Listed/cUL Listed/CSA Certified/Marine Listed |
Sub Brand | AudioMaster |
Type | Hazardous Location Two-Way Intercom |
Voltage Rating | 24, 120, 240 VAC/VDC |
Width | 6.5 IN |
Width | 165.1 mm |
Package Dimensions (L x W x H) | 15.25 IN x 8.75 IN x 8 IN |
Package Dimensions (L x W x H) | 38.735 cm x 22.225 cm x 20.32 cm |
Package Weight (Imperial) | 12.000 L |
Package Weight (Metric) | 5.443 kg |

AD-26-8-M44
Intercom, 12VDC, T/L Switch, Volume Control, Pre-Amp Equipped, remote Volume Control equipped
AD-27-8-M44
Atkinson Dynamics Wall Mount Intercom, 120VAC, Pre-amp Equipped, Remote Volume Control Equipped - Available in 12VDC, 24VDC, 120VAC or 240VAC. Heavy-duty industrial intercom for indoor or outdoor applications. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Balanced line output. 25 watt speaker. Cast aluminum housing with rugged powder coat finish. Conformal coated PCB. Type 4X enclosure. Marine Listed. CSA Certified. UL and cUL Listed.Frequently Asked Questions
What are the power requirements for the 310X-MV intercom?
The 310X-MV features a multi-voltage design, accepting 24VDC, 120VAC 50/60Hz, and 240VAC 50/60Hz power inputs.
What is the operating temperature range for the intercom?
The intercom operates reliably from -31°F to 150°F (-35°C to 66°C), suitable for both indoor and outdoor use.
What are the dimensions of the 310X-MV intercom?
The intercom measures 9.88 inches in height, 6.50 inches in width, and 5.00 inches in depth.
What are the hazardous location ratings for the 310X-MV?
It is UL and cUL Listed for Class I, Division 2, Groups A, B, C, D; Class II, Division 2, Groups F, G; and Class III.
What type of enclosure does the 310X-MV have?
The 310X-MV features a Type 4X, IP65 enclosure, providing dust- and water-tight protection.
What is the speaker rating for the 310X-MV?
The 310X-MV intercom has a speaker rating of 30 watts.
What is the frequency response of the intercom?
The frequency response of the 310X-MV intercom is 150Hz-12KHz (-6dBA).
How much does the 310X-MV intercom weigh?
The net weight of the 310X-MV intercom is 9.9 lbs (4.5 kg), with a shipping weight of 11.5 lbs (5.2 kg).
What is the standby current for 120VAC operation?
When operating on 120VAC 50/60Hz, the standby current for the 310X-MV is 70 mA.
What is the input impedance of the 310X-MV?
The input impedance for the 310X-MV intercom is 3400 Ohms across all voltage options.
How to Install the 310X-MV Intercom
This guide provides step-by-step instructions for installing and configuring the 310X-MV intercom system, ensuring proper functionality in industrial applications.
Estimated time: 1h
Tools needed:
Screwdriver, Wire strippers, Multimeter, Long nose pliers
Supplies needed:
Mounting screws, Lockwashers, Terminal connectors, 1/2 A fuse
- Mount the intercom
Select a flat and rigid surface for installation. Secure the intercom using the two mounting ears with appropriate screws, ensuring it is level and firmly attached.
- Connect the wiring
Disconnect power before connecting any wires. Use the terminal block to connect the power supply to pins 4 (positive) and 5 (negative). Ensure that the wiring follows Class I, Division 2 methods as specified.
- Configure the operation mode
To set the intercom to Secondary mode, disconnect power and move the J2 jumper from the MAS to the SLA position. Adjust the Listen/Talk switch to the talk position by rotating it 180 degrees and securing the rubber boot.
- Test the intercom
Reconnect power and use a multimeter to verify that the power supply is correctly connected. Test the intercom functionality by pressing the call button and ensuring that the signal is transmitted correctly.
- Calibrate the system
Adjust the volume control on the intercom to ensure optimal sound levels. Test the intercom by communicating through it to confirm that both sending and receiving functions work properly.
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.

