
Federal Signal
310-MV-MNC
Alternate Item Number: 310-mv-mnc-audiomaster-two-way-intercom
UPC: 782979204015
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Overview
- Noise-canceling microphone for clear communication in high-noise areas
- Multi-voltage operation: 24VDC, 120VAC, or 240VAC
- UL and CSA certified for industrial safety compliance
- Wide operating temperature range: -31°F to 150°F (-35°C to 66°C)
- Features volume control, call button, listen/talk switch, and remote signal activation
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 3R |
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 |
Series | AudioMaster |
Special Features | Balanced Line Output |
Standard | UL Listed/CSA Certified/Marine Listed |
Standard | CSA,Marine,UL |
Sub Brand | AudioMaster |
Type | Two-Way Intercom with Noise Canceling Microphone |
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) | 12.000 L |
Package Weight (Metric) | 5.443 kg |
Frequently Asked Questions
What are the standard features of the 310-MV-MNC intercom?
Standard features include volume control, call button, listen/talk switch, balanced line output, and remote device activation. It can also power another 24VDC intercom.
What is the operating temperature range for this intercom?
The intercom operates reliably in temperatures from -31°F to 150°F (-35°C to 66°C).
How does the remote device activation feature work?
The remote device activation feature allows you to activate an auxiliary signal, such as a horn or light.
When is the noise canceling microphone used?
The noise canceling microphone improves transmission quality when the ambient noise level is too high for a standard integrated microphone.
What power voltages does the 310-MV-MNC intercom accept?
The intercom features a multi-voltage design, accepting 24VDC, 120VAC, and 240VAC power inputs.
What certifications does the 310-MV-MNC intercom have?
The 310-MV-MNC is UL Listed, CSA Certified, and Marine Listed.
What type of enclosure does the intercom feature?
The intercom features a Type 3R enclosure.
What are the operating and standby currents for 24VDC?
For 24VDC, the operating current is 465 mA and the standby current is 62 mA.
What is the frequency response of the intercom?
The frequency response (-6dBA) for all voltages is 150Hz-12KHz.
What is the input impedance of the intercom?
The input impedance for the intercom is 3400 Ohms across all voltage options.
How to Install the 310-MV-MNC Intercom
This guide provides step-by-step instructions for the installation and initial setup of the 310-MV-MNC intercom system, ensuring proper wiring and configuration.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter, Long nose pliers
Supplies needed:
Mounting screws, Lockwashers, Terminal connectors, 1/2 A fuse
- Mount the intercom
Secure the intercom to a flat and rigid surface using the two mounting ears. Ensure the mounting screws are tight and the unit is level.
- Connect the wiring
Disconnect power before connecting any wires. Connect the positive supply conductor to pin #4 and the negative supply conductor to pin #5 of the terminal block. Ensure all connections are secure.
- Configure the operation mode
To set the intercom to Primary mode, ensure the J7 jumper is in the correct position. If switching to Secondary mode, move the J2 jumper to the SLA position and adjust the Talk/Listen switch accordingly.
- Test the intercom
Reconnect power and test the intercom functionality by pressing the call button and ensuring audio transmission is clear. Use a multimeter to verify voltage levels if necessary.
- Calibrate the system
Adjust the volume settings on the intercom to ensure optimal audio levels. Test the call button functionality to confirm the system is working as intended.
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.

