
Federal Signal
310-MV
Alternate Item Number: 310-mv-audiomaster-two-way-intercom
UPC: 782979204008
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Overview
- Multi-voltage design accepts 24VDC and 120VAC/240VAC
- Heavy-duty industrial intercom for indoor or outdoor applications
- Type 4X, IP65 dust- and water-tight enclosure
- Operates in temperatures from -31°F to 150°F (-35°C to 66°C)
- UL and cUL Listed, CSA Certified, Marine Listed
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 |
Length | 5 IN |
Mounting | Wall |
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 |
Special Features | Balanced Line Output |
Standard | UL Listed/CSA Certified/Marine Listed |
Standard | CSA,Marine,UL |
Sub Brand | AudioMaster |
Type | Two-Way Intercom |
Type | Intercoms |
Voltage Rating | 24, 120, 240 VAC/VDC |
Width | 6.5 IN |
Package Dimensions (L x W x H) | 15.13 IN x 8.13 IN x 7.25 IN |
Package Dimensions (L x W x H) | 38.4302 cm x 20.6502 cm x 18.415 cm |
Package Weight (Imperial) | 11.500 L |
Package Weight (Metric) | 5.216 kg |
Frequently Asked Questions
What are the standard features of the 310-MV?
Standard features include volume control, call button, balanced line output, dust- and water-tight housing, listen/talk switch, and remote device activation. It can also power another intercom at 24VDC.
What is the operating temperature range?
The intercom operates from -31°F to 150°F (-35°C to 66°C). It is suitable for both indoor and outdoor applications.
How do you operate the 310-MV intercom?
To talk, press the toggle switch; release to listen. Press the call button to get the attention of personnel at another intercom.
What are the voltage requirements for the 310-MV?
The 310-MV has a multi-voltage design, accepting 24VDC, 120VAC, and 240VAC.
What type of enclosure does the 310-MV have?
The 310-MV features a Type 4X, IP65 enclosure, indicating dust- and water-tight protection.
Is the 310-MV intercom Marine Listed?
Yes, the 310-MV intercom is Marine Listed.
Is the 310-MV CSA Certified?
Yes, the 310-MV intercom is CSA Certified.
Is the 310-MV UL Listed?
Yes, the 310-MV intercom is UL Listed.
What is the operating current for 24VDC?
The operating current for 24VDC is 465 mA, with a standby current of 62 mA.
What is the frequency response of the 310-MV?
The frequency response of the 310-MV is 150Hz-12KHz (-6dBA).
How to Install the 310-MV Intercom
This guide provides step-by-step instructions for installing and configuring the 310-MV intercom system for effective communication in industrial applications.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Lockwashers, Terminal connectors
- Select the mounting location
Choose a flat and rigid surface for mounting the intercom, ensuring it can support the weight of the unit.
- Mount the intercom
Secure the intercom to the selected surface using the mounting screws and lockwashers provided. Ensure it is level and firmly attached.
- Connect the wiring
Disconnect power before connecting wires. Use the terminal block to connect the power supply and audio lines according to the wiring diagram provided in the manual.
- Configure the operation mode
Set the intercom to Primary or Secondary mode by adjusting the jumper on the PC board. Ensure the Listen/Talk switch is positioned correctly for the selected mode.
- Test the installation
Reconnect power and test the intercom functionality by pressing the call button and ensuring audio transmission is clear. Adjust volume settings as necessary.
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.

